The 2021 BMW 4-Series represents the second generation of BMW's standalone coupe and convertible lineup, which previously was part of the 3-Series family. Available as a coupe or convertible, the 2021 model year marked a significant redesign. Key trims include the 430i and the M440i. Pricing for a new 2021 model typically ranged from approximately $45,000 to $60,000. It stands out with its bold, controversial grille design and a sportier, more dynamic driving experience than its sedan counterpart, making it popular among driving enthusiasts.
The Good
The 2021 4-Series offers exhilarating performance and sharp handling for the enthusiast, combined with a luxurious and comfortable interior for daily driving. Its striking design turns heads, while available efficient powertrains and strong build quality appeal to practical buyers seeking a premium experience.
The Bad
Potential buyers should be aware of the polarizing front-end styling, which is a matter of personal taste. Some may also find the ride to be firmer than expected for a luxury coupe, and rear-seat space is limited, especially in the coupe variant. Infotainment system complexity can also be a learning curve.
2021 BMW 4-Series: Quick Overview
- Engine Options:
- 430i Coupe/Convertible: 2.0-liter turbocharged inline-4
- M440i Coupe/Convertible: 3.0-liter turbocharged inline-6 with mild-hybrid system
- Horsepower:
- 430i: 255 hp
- M440i: 382 hp
- Fuel Economy (EPA Estimated, Coupe RWD):
- 430i: Approximately 25 mpg city / 34 mpg highway
- M440i: Approximately 22 mpg city / 32 mpg highway
- 0-60 Times (Approximate):
- 430i: Around 5.5 - 5.8 seconds
- M440i: Around 4.2 - 4.4 seconds
- Towing Capacity: Not applicable. The 4-Series is not designed for towing.
- Key Trim-Level Features:
- 430i: Standard features often include synthetic leather upholstery, power-adjustable front seats, a 10.25-inch infotainment touchscreen with iDrive 7, Apple CarPlay and Android Auto compatibility, LED headlights, and a comprehensive suite of driver-assistance features.
- M440i: Builds upon the 430i with the more powerful inline-6 engine, M Sport suspension, M Sport brakes, sport exhaust, unique M exterior and interior styling elements, and often includes more premium standard features such as a digital instrument cluster and premium audio.
2021 BMW 4-Series Specifications
Vehicle Information
| Year | 2021 |
| Make | BMW |
| Model | 4 Series |
| Trim | - |
| Style | 430i Convertible RWD 8AT 2.0L I4 |
| Type | Convertible |
| Category | passenger |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | DINGOLFING |
Dimensions
| Doors | 2-Door |
| Curb Weight | 3580 pounds |
| Gross Vehicle Weight Rating | - |
| Overall Height | 54.8 inches |
| Overall Length | 182.6 inches |
| Overall Width | 74.3 inches |
| Wheelbase Length | 111 inches |
| Standard Seating | 4 |
Engine & Performance
| Engine | 2L I4 |
| Engine Size | 2L |
| Engine Cylinders | 4 |
| Transmission | 8-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 8-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $46,000 |
| Invoice Price | $43,000 |
| Delivery Charges | $995 |
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Analysis
What Problems Does the 2021 BMW 4-Series Have?
As a relatively new generation for 2021, long-term reliability data is still accumulating. However, early reports and general BMW trends can offer insights. One of the most discussed aspects, though not a mechanical problem, is the polarizing design of the large kidney grille, which some find aesthetically displeasing. In terms of mechanical issues, there haven't been widespread, model-specific, commonly reported catastrophic failures for the 2021 4-Series. However, as with many modern luxury vehicles, potential areas for concern in the longer term could include the complex electronic systems and infotainment hardware.
Specific to the 2021 model year, there have been some recalls issued. For instance, a recall was issued concerning the automatic emergency braking system, which might not function as intended. Another recall addressed potential issues with the seat belt pretensioners. These are not necessarily indicative of poor overall reliability but are important to be aware of, as all vehicles can experience recalls. Owners have also reported occasional glitches with the iDrive infotainment system, such as freezing or connectivity issues, though these are often resolved with software updates.
Regarding long-term durability, BMWs are generally built to last with proper maintenance. However, the cost of repairs for components like the turbocharged engines, complex transmissions, and advanced electronic systems can be higher than for non-luxury brands. Specific to the 2021 4-Series, its powertrain options are generally robust, with the inline-4 and inline-6 engines having proven their mettle in other BMW models. The mild-hybrid system in the M440i adds another layer of complexity that could potentially become a point of failure down the line, though it's too early to confirm significant issues. Owners who adhere to the recommended maintenance schedule, including regular oil changes, fluid flushes, and inspections, are likely to experience good long-term reliability.
Specific to the 2021 model year, there have been some recalls issued. For instance, a recall was issued concerning the automatic emergency braking system, which might not function as intended. Another recall addressed potential issues with the seat belt pretensioners. These are not necessarily indicative of poor overall reliability but are important to be aware of, as all vehicles can experience recalls. Owners have also reported occasional glitches with the iDrive infotainment system, such as freezing or connectivity issues, though these are often resolved with software updates.
Regarding long-term durability, BMWs are generally built to last with proper maintenance. However, the cost of repairs for components like the turbocharged engines, complex transmissions, and advanced electronic systems can be higher than for non-luxury brands. Specific to the 2021 4-Series, its powertrain options are generally robust, with the inline-4 and inline-6 engines having proven their mettle in other BMW models. The mild-hybrid system in the M440i adds another layer of complexity that could potentially become a point of failure down the line, though it's too early to confirm significant issues. Owners who adhere to the recommended maintenance schedule, including regular oil changes, fluid flushes, and inspections, are likely to experience good long-term reliability.
How long will the 2021 BMW 4-Series last?
Based on owner data and typical maintenance habits for luxury vehicles, the 2021 BMW 4-Series can reasonably be expected to provide 150,000 to 200,000 miles of service with diligent care. Long-term durability is generally strong for the core mechanical components like the engine and transmission, especially when following BMW's recommended maintenance schedule. However, the vehicle's advanced technology and luxury features may present potential weaknesses over time. Electronic modules, the infotainment system, and various sensors could become points of repair as the vehicle ages. The cost of these repairs can be significant. Regular servicing at a reputable BMW specialist or dealership is crucial for maximizing its lifespan and minimizing potential costly issues down the road.
What Technology & Safety Features are Included?
The 2021 BMW 4-Series is equipped with a sophisticated suite of technology, entertainment, and safety features. Standard tech typically includes BMW's iDrive 7 infotainment system, accessible via a 10.25-inch touchscreen. This system offers intuitive navigation, Bluetooth connectivity, and smartphone integration through Apple CarPlay and Android Auto. A digital instrument cluster is standard on most trims, providing customizable driving information.
Driver-assistance features are a strong suit. Standard safety equipment often includes forward-collision warning with automatic emergency braking, lane-departure warning, and blind-spot monitoring. Optional packages can add more advanced systems like adaptive cruise control with stop-and-go functionality, lane-keeping assist, parking assistance, and a head-up display. These features enhance both convenience and safety during driving.
For entertainment, higher trims or optional packages might include a premium sound system (e.g., Harman Kardon), satellite radio, and enhanced voice command capabilities. The convertible models also feature improved insulation and acoustic glass to maintain a pleasant cabin environment at higher speeds.
Regarding safety, the 2021 BMW 4-Series generally performs well in crash tests. While specific ratings can vary by testing agency (NHTSA and IIHS) and body style, the vehicle typically achieves high marks in collision avoidance and occupant protection. For example, the IIHS awarded the 2021 4-Series with their "Top Safety Pick" designation when equipped with specific headlights and optional front crash prevention systems, indicating strong performance in various impact scenarios and effective mitigation of front-end collisions. The robust chassis and comprehensive airbag system contribute to its safety credentials.
Driver-assistance features are a strong suit. Standard safety equipment often includes forward-collision warning with automatic emergency braking, lane-departure warning, and blind-spot monitoring. Optional packages can add more advanced systems like adaptive cruise control with stop-and-go functionality, lane-keeping assist, parking assistance, and a head-up display. These features enhance both convenience and safety during driving.
For entertainment, higher trims or optional packages might include a premium sound system (e.g., Harman Kardon), satellite radio, and enhanced voice command capabilities. The convertible models also feature improved insulation and acoustic glass to maintain a pleasant cabin environment at higher speeds.
Regarding safety, the 2021 BMW 4-Series generally performs well in crash tests. While specific ratings can vary by testing agency (NHTSA and IIHS) and body style, the vehicle typically achieves high marks in collision avoidance and occupant protection. For example, the IIHS awarded the 2021 4-Series with their "Top Safety Pick" designation when equipped with specific headlights and optional front crash prevention systems, indicating strong performance in various impact scenarios and effective mitigation of front-end collisions. The robust chassis and comprehensive airbag system contribute to its safety credentials.
What Colors Options are Available?
Exterior Colors
Alpine White
Arctic Race Blue Metallic
Black Sapphire Metallic
Brooklyn Grey Metallic
Cabo Blue Metallic
Dravit Grey Metallic
Giallo Modnar
M Portimao Blue
M Sao Paulo Yellow
Phytonic Blue Metallic
Skyscraper Grey Metallic
Tanzanite Blue II Metallic
Toronto Red Metallic
Interior Colors
Vernasca Leather Black
Vernasca Leather Cognac
Vernasca Leather Mocha
Vernasca Leather Oyster
Merino Leather Fiona Red/Black
M Alcantara/Leather Black
2021 BMW 4-Series Prices and Market Value
When new, the 2021 BMW 4-Series had an MSRP that typically started in the mid-$40,000s for the 430i and climbed into the $60,000s for the M440i, depending on options and body style. Currently, used 2021 BMW 4-Series models can be found in the $30,000 to $50,000 range, varying significantly with mileage, condition, and trim level.
BMW vehicles generally experience a steeper depreciation curve in their first few years compared to some mainstream brands. The 4-Series is no exception, with a notable drop in value within the first 1-3 years. Factors affecting its resale value include brand prestige, performance capabilities, feature set, condition, mileage, and the desirability of specific trims. Higher-performance M-variant models and those with desirable optional packages tend to hold their value better. Ongoing maintenance history also plays a crucial role.
BMW vehicles generally experience a steeper depreciation curve in their first few years compared to some mainstream brands. The 4-Series is no exception, with a notable drop in value within the first 1-3 years. Factors affecting its resale value include brand prestige, performance capabilities, feature set, condition, mileage, and the desirability of specific trims. Higher-performance M-variant models and those with desirable optional packages tend to hold their value better. Ongoing maintenance history also plays a crucial role.
2021 BMW 4-Series Cost of Ownership
Owning a 2021 BMW 4-Series is generally considered a costly endeavor. Insurance premiums will likely be higher than for a comparable non-luxury vehicle due to its performance and prestige. Fuel costs, while reasonable for the 430i, will be higher for the M440i. Maintenance, including regular oil changes, filter replacements, and tire rotations, is also more expensive at a BMW dealership or specialist. Repairs, especially for complex electronic systems or performance components, can be substantial. Overall, the 4-Series is a premium vehicle with premium ownership costs, not an economical choice for budget-conscious buyers.
2021 BMW 4-Series Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
15.6 gallons
City Mileage
24 miles/gallon
Highway Mileage
33 miles/gallon
2021 BMW 4-Series Recalls & Defects
Recall date
2021-03-15
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2021 430i and M440i 4 Series Convertible Vehicles. IN Certain Side-Impact Crashes, THE Head-Thorax AIR BAG MAY NOT Deploy AS Intended.
Consequence
AN AIR BAG That Deploys Incorrectly CAN Increase THE Risk OF Injury IN A Crash.
Remedy
Dealers Will Update THE Software, AT NO Charge. All Affected Vehicles ARE Still IN Dealer Inventory, and Therefore NO Owner Letters Will BE Mailed. THE Recall Began March 9, 2021. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Recall date
2021-03-15
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2021 430i and M440i 4 Series Convertible Vehicles. IN Certain Side-Impact Crashes, THE Head-Thorax AIR BAG MAY NOT Deploy AS Intended.
Consequence
AN AIR BAG That Deploys Incorrectly CAN Increase THE Risk OF Injury IN A Crash.
Remedy
Dealers Will Update THE Software, AT NO Charge. All Affected Vehicles ARE Still IN Dealer Inventory, and Therefore NO Owner Letters Will BE Mailed. THE Recall Began March 9, 2021. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Recall date
2021-02-19
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2019-2021 X3 Sdrive30i, X3 Xdrive30i, X3 M40i, X3m, X4 Xdrive30i, X4 M40i, M550i, X4m, X5 Sdrive40i, X5 Xdrive40i, X5 Xdrive50i, X5m, X5 M50i, X7 Xdrive40i, X7 Xdrive50i, X7 M50i, Alpina Xb7, 330i, 330i Xdrive, M340i, M340i Xdrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i Xdrive, M850i Xdrive, M8, 2020-2021 530e, 530e Xdrive, 330e, 330e Xdrive, 745le, 745le Xdrive, X5 Xdrive45e, X3 Xdrive30e, X6 Sdrive40i, X6 Xdrive40i, X6 Xdrive50i, X6 M50i, X6m, 530i, 530i Xdrive, 540i, 540i Xdrive, M550i Xdrive, M5, 740i, 740li, 740li Xdrive, M760i Drive, M760li Xdrive, 750li Xdrive Alpina, Alpina B7 Xdrive, and 2021 4 Series Coupe 430i, 430i Xdrive, M440i Xdrive Vehicles. When Shifting Into Reverse, A Small Portion OF THE Rearview Image MAY BE Obscured, or THE Screen MAY NOT Illuminate. AS Such, These Vehicles Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard (Fmvss) Number 111, "rear Visibility."
Consequence
IF THE Driver Relies ON Only THE Rearview Camera Image, THE Missing or Reduced Rearview Image View CAN Increase THE Risk OF A Crash or Injury.
Remedy
BMW Will Notify Owners, and Dealers Will Inspect THE Rearview Camera Software and Update IT IF Necessary, Free OF Charge. THE Recall Began April 16, 2021. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Recall date
2021-02-19
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2019-2021 X3 Sdrive30i, X3 Xdrive30i, X3 M40i, X3m, X4 Xdrive30i, X4 M40i, M550i, X4m, X5 Sdrive40i, X5 Xdrive40i, X5 Xdrive50i, X5m, X5 M50i, X7 Xdrive40i, X7 Xdrive50i, X7 M50i, Alpina Xb7, 330i, 330i Xdrive, M340i, M340i Xdrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i Xdrive, M850i Xdrive, M8, 2020-2021 530e, 530e Xdrive, 330e, 330e Xdrive, 745le, 745le Xdrive, X5 Xdrive45e, X3 Xdrive30e, X6 Sdrive40i, X6 Xdrive40i, X6 Xdrive50i, X6 M50i, X6m, 530i, 530i Xdrive, 540i, 540i Xdrive, M550i Xdrive, M5, 740i, 740li, 740li Xdrive, M760i Drive, M760li Xdrive, 750li Xdrive Alpina, Alpina B7 Xdrive, and 2021 4 Series Coupe 430i, 430i Xdrive, M440i Xdrive Vehicles. When Shifting Into Reverse, A Small Portion OF THE Rearview Image MAY BE Obscured, or THE Screen MAY NOT Illuminate. AS Such, These Vehicles Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard (Fmvss) Number 111, "rear Visibility."
Consequence
IF THE Driver Relies ON Only THE Rearview Camera Image, THE Missing or Reduced Rearview Image View CAN Increase THE Risk OF A Crash or Injury.
Remedy
BMW Will Notify Owners, and Dealers Will Inspect THE Rearview Camera Software and Update IT IF Necessary, Free OF Charge. THE Recall Began April 16, 2021. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Recall date
2021-07-21
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2021 2 Series (230i, 230i Xdrive, M240i, M240i Xdrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i Xdrive, M440i Xdrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 Sdrive28i, Xdrive28i, 2 Series Gran Coupe (228i, 228i Xdrive, M235i Xdrive), M2 Competition Coupe, 330i, 330i Xdrive, M340i, M340i Xdrive, M3, M3 Competition, 530i, 530i Xdrive, 540i, 540i Xdrive, Mini Hardtop 2 Door (cooper, Coopers, Jcw), X2 Sdrive28i, X2 Xdrive28i, X2 M35i, Z4 Sdrive30i, Z4 M40i, Mini Hardtop 2 Door (cooper Se), Mini Convertible (cooper, Cooper S, Jcw), Mini Clubman (cooper S, Cooper S All4, Jcw), Mini Countryman (cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, Mini Countryman (cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra Vehicles. THE Passenger Seat Belt Automatic Locking Retractor (alr) MAY Deactivate Early, Before THE Webbing Fully Retracts. AS Such, These Assemblies Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard Number 208, "occupant Crash Protection."
Consequence
During A Crash, A Seat Belt Retractor That Does NOT Function AS Intended Increases THE Risk OF Injury.
Remedy
Dealers Will Inspect THE Seat Belt Retractors (Including THE Seat Belts) And, IF Necessary, Replace THE Retractors, Free OF Charge. Owner Notification Letters Were Mailed ON September 3, 2021. Owners MAY Contact BMW Customer Service AT 1-800-525-7417; 1-866-825-1525 (Mini); 1-877-877-3735 (rolls Royce); and 1-888-270-9371 (toyota).
Notes
Recall date
2023-08-16
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2019-2022 330i, 330i Xdrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i Xdrive Gran Coupe Vehicles. THE Receiver Audio Module Control Unit Software MAY Fail TO Properly Generate Audible Seat Belt Warnings TO THE Driver TO Fasten Their Seat Belt. AS Such, These Vehicles Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard Number 208, "occupant Crash Protection."
Consequence
AN Audible Chime That Does NOT Properly Alert THE Driver TO Fasten Their Seat Belt Increases THE Risk OF Injury IN A Crash.
Remedy
Dealers Will Update THE Receiver Audio Module Software, Free OF Charge. Owner Notification Letters Were Mailed October 12, 2023. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Recall date
2023-08-16
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2019-2022 330i, 330i Xdrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i Xdrive Gran Coupe Vehicles. THE Receiver Audio Module Control Unit Software MAY Fail TO Properly Generate Audible Seat Belt Warnings TO THE Driver TO Fasten Their Seat Belt. AS Such, These Vehicles Fail TO Comply With THE Requirements OF Federal Motor Vehicle Safety Standard Number 208, "occupant Crash Protection."
Consequence
AN Audible Chime That Does NOT Properly Alert THE Driver TO Fasten Their Seat Belt Increases THE Risk OF Injury IN A Crash.
Remedy
Dealers Will Update THE Receiver Audio Module Software, Free OF Charge. Owner Notification Letters Were Mailed October 12, 2023. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Recall date
2025-09-23
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i Vehicles. THE Engine Starter Relay MAY Corrode, Causing THE Relay TO Overheat and Short Circuit.
Consequence
A Short Circuit IN THE Starter Relay MAY Increase THE Risk OF A Fire.
Remedy
Owners ARE Advised TO Park Their Vehicles Outside and Away From Structures Until THE Remedy IS Complete. Dealers Will Replace THE Engine Starter, Free OF Charge. Owner Notification Letters Were Mailed February 6, 2026. Owners MAY Contact BMW Customer Service AT 1-800-525-7417. Vehicle Identification Numbers (Vins) Involved IN This Recall Will BE Searchable ON Nhtsa.gov Beginning November 14, 2025.
Notes
Recall date
2026-01-30
Recall no.
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (Xdrive), 2021-2022 Z4, 2022-2024 4 Series (gran Coupe), 2021-2024 4 Series (convertible and Xdrive Convertible), 2021-2023 4 Series (coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 Vehicles. Please SEE THE Recall Report FOR A Complete List OF All Models. THE Engine Starter MAY Overheat and Catch Fire DUE TO Wear ON AN Internal Component.
Consequence
Fire Increases THE Risk OF Injury.
Remedy
Dealers Will Replace THE Engine Starter, Free OF Charge. A Letter Informing Owners OF THE Safety Risk WAS Mailed ON March 27, 2026. Owners Will Receive Another Letter Once THE Remedy IS Available. Owners MAY Contact BMW Customer Service AT 1-800-525-7417 or Toyota's Customer Service AT 1-800-331-4331. Vehicle Identification Numbers (Vins) Involved IN This Recall Will BE Searchable ON Nhtsa.gov Beginning March 24, 2026.
Notes
2021 BMW 4-Series Warranty
Basic
Original warranty
48 months / 50000 miles
Estimated remaining
Expired
Corrosion
Original warranty
144 months / No data
Estimated remaining
84 months / No data
Drivetrain
Original warranty
48 months / 50000 miles
Estimated remaining
Expired
Maintenance
Original warranty
36 months / 36000 miles
Estimated remaining
Expired
Roadside Assistance
Original warranty
48 months / No data
Estimated remaining
Expired
2021 BMW 4-Series Insurance
Insurance for a 2021 BMW 4-Series is moderately priced, reflecting its status as a Convertible with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2021 BMW 4-Series Compare to Other Convertible?
The 2021 BMW 4-Series competes in the fiercely contested entry-luxury coupe and convertible segment. Its primary rivals include the Audi A5/S5 and the Mercedes-Benz C-Class Coupe/Cabriolet.
Performance: The 4-Series is renowned for its engaging driving dynamics, sharp steering, and potent engine options, particularly the M440i's smooth inline-six. The Audi A5/S5 offers a more comfort-oriented ride with competent performance, especially in S5 guise, but often lacks the ultimate driver engagement of the BMW. The Mercedes-Benz C-Class Coupe/Cabriolet prioritizes luxury and a refined ride, with its AMG variants offering strong performance but sometimes at the expense of a harsher ride.
Features: All three offer luxurious interiors with advanced technology. The 2021 4-Series boasts BMW's excellent iDrive system, which is user-friendly and feature-rich. Audi's MMI system is also very capable, while Mercedes-Benz's COMAND system, though visually appealing, can be less intuitive. Driver-assistance technology is generally strong across all competitors, with optional packages offering advanced features.
Reliability: Historically, BMW and Mercedes-Benz have had similar reliability ratings, often slightly below Audi. However, as luxury vehicles with complex systems, maintenance and repair costs can be higher across the board. The 2021 4-Series, being a new generation, is still establishing its long-term reliability record. Early reports suggest it's solid, but the long-term outlook for its sophisticated electronics is something to monitor.
Price: The 4-Series generally positions itself competitively. The 430i often starts at a similar price point to the Audi A5 and Mercedes-Benz C300 Coupe, while the M440i competes more directly with the Audi S5 and Mercedes-AMG C43.
Recommendations:
- Similar Alternatives: If you prioritize a refined and comfortable luxury experience with a stylish design, the Mercedes-Benz C-Class Coupe is a strong contender. For a blend of sportiness and sophistication with excellent AWD capability, the Audi A5/S5 is a great choice.
- Better Alternatives (depending on priorities): For ultimate driving engagement and performance, the Porsche 718 Cayman (though a two-seater sports car) is in a different league but offers unparalleled handling. For a more practical yet still sporty option, consider the BMW 3-Series (which shares many components but has a sedan body style) or the Genesis G70, which offers excellent value and a compelling driving experience.
Performance: The 4-Series is renowned for its engaging driving dynamics, sharp steering, and potent engine options, particularly the M440i's smooth inline-six. The Audi A5/S5 offers a more comfort-oriented ride with competent performance, especially in S5 guise, but often lacks the ultimate driver engagement of the BMW. The Mercedes-Benz C-Class Coupe/Cabriolet prioritizes luxury and a refined ride, with its AMG variants offering strong performance but sometimes at the expense of a harsher ride.
Features: All three offer luxurious interiors with advanced technology. The 2021 4-Series boasts BMW's excellent iDrive system, which is user-friendly and feature-rich. Audi's MMI system is also very capable, while Mercedes-Benz's COMAND system, though visually appealing, can be less intuitive. Driver-assistance technology is generally strong across all competitors, with optional packages offering advanced features.
Reliability: Historically, BMW and Mercedes-Benz have had similar reliability ratings, often slightly below Audi. However, as luxury vehicles with complex systems, maintenance and repair costs can be higher across the board. The 2021 4-Series, being a new generation, is still establishing its long-term reliability record. Early reports suggest it's solid, but the long-term outlook for its sophisticated electronics is something to monitor.
Price: The 4-Series generally positions itself competitively. The 430i often starts at a similar price point to the Audi A5 and Mercedes-Benz C300 Coupe, while the M440i competes more directly with the Audi S5 and Mercedes-AMG C43.
Recommendations:
- Similar Alternatives: If you prioritize a refined and comfortable luxury experience with a stylish design, the Mercedes-Benz C-Class Coupe is a strong contender. For a blend of sportiness and sophistication with excellent AWD capability, the Audi A5/S5 is a great choice.
- Better Alternatives (depending on priorities): For ultimate driving engagement and performance, the Porsche 718 Cayman (though a two-seater sports car) is in a different league but offers unparalleled handling. For a more practical yet still sporty option, consider the BMW 3-Series (which shares many components but has a sedan body style) or the Genesis G70, which offers excellent value and a compelling driving experience.
Final Verdict: Is the 2021 BMW 4-Series a Good Convertible?
The 2021 BMW 4-Series is ideal for individuals or couples seeking a stylish, sporty, and engaging luxury coupe or convertible that offers a premium driving experience. It appeals to those who appreciate sharp handling, responsive powertrains, and a well-appointed interior, and who are less concerned with rear-seat practicality or the most cutting-edge styling.
Whether it's worth buying depends on individual priorities and budget. As a new vehicle, it offered a compelling package, but its price point places it firmly in the luxury segment. Buying used, particularly models from late 2021 or 2022, can offer better value, as depreciation has taken its toll.
Specific trims like the 430i offer a great balance of performance and efficiency for daily driving, while the M440i provides exhilarating speed for enthusiasts. It is worth considering if you can find one well-maintained and within your budget, especially if you prioritize driving dynamics and brand cachet over absolute affordability or practicality. Careful inspection and attention to maintenance history are crucial when buying used.
Whether it's worth buying depends on individual priorities and budget. As a new vehicle, it offered a compelling package, but its price point places it firmly in the luxury segment. Buying used, particularly models from late 2021 or 2022, can offer better value, as depreciation has taken its toll.
Specific trims like the 430i offer a great balance of performance and efficiency for daily driving, while the M440i provides exhilarating speed for enthusiasts. It is worth considering if you can find one well-maintained and within your budget, especially if you prioritize driving dynamics and brand cachet over absolute affordability or practicality. Careful inspection and attention to maintenance history are crucial when buying used.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.