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2021 BMW 8-Series Overview, Reviews, Ratings & Specs

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Cathleen V | October 4, 2025
The 2021 BMW 8-Series, a revival of a revered nameplate, slots as BMW's flagship grand tourer. Available in Coupe, Convertible, and Gran Coupe (four-door) body styles across its 2019-present model years, it offers potent performance and luxurious appointments. Key trims include the 840i, M850i, and the track-focused M8. Pricing typically ranges from around $87,000 to over $130,000. It stands out for its blend of exhilarating driving dynamics, opulent interior, and striking, athletic design, making it a desirable choice for those seeking a stylish and powerful luxury vehicle.
The Good

The 2021 8-Series excels with thrilling performance from its potent engines, a beautifully crafted and comfortable interior, and a head-turning design. Its sophisticated handling appeals to driving enthusiasts, while the premium features and advanced technology offer practical benefits and a sense of prestige.

The Bad

Potential buyers should be aware of the 8-Series's high purchase price and substantial ownership costs, including insurance and fuel. The rear seats in the coupe and convertible models are quite cramped, and the complex infotainment system might require a learning curve for some users.

2021 BMW 8-Series: Quick Overview

  • Engine Options: The 2021 BMW 8-Series offers two primary engine choices across its core trims.
    • 840i: A 3.0-liter turbocharged inline-six engine.
    • M850i: A 4.4-liter twin-turbocharged V8 engine.
    • M8 (High-Performance Trim): Utilizes a more potent version of the 4.4-liter twin-turbocharged V8.
  • Horsepower:
    • 840i: 335 horsepower
    • M850i: 523 horsepower
    • M8: 600-617 horsepower (depending on Competition model)
  • Fuel Economy (EPA Estimates):
    • 840i (RWD Coupe): Approximately 21 mpg city / 29 mpg highway
    • 840i (xDrive Gran Coupe): Approximately 20 mpg city / 27 mpg highway
    • M850i (Coupe/Convertible): Approximately 17 mpg city / 25 mpg highway
    • M8: Approximately 15 mpg city / 22 mpg highway
    Note: Fuel economy varies by body style and drivetrain.
  • 0-60 Times (Manufacturer Estimates):
    • 840i: Around 4.4 to 4.7 seconds
    • M850i: Around 3.5 to 3.8 seconds
    • M8: Around 3.0 to 3.2 seconds
  • Towing Capacity: The 2021 BMW 8-Series is not designed for towing and does not have a specified towing capacity.
  • Key Trim-Level Features:
    • 840i: Standard features include leather upholstery, heated front seats, a 12.3-inch digital instrument cluster, a 10.25-inch infotainment touchscreen, wireless Apple CarPlay, navigation, LED headlights, 18-inch alloy wheels, and a comprehensive suite of driver-assistance features.
    • M850i: Builds upon the 840i with the more powerful V8 engine, adaptive M suspension, M Sport brakes, upgraded interior materials (e.g., Nappa leather), 20-inch alloy wheels, and sportier exterior styling cues.
    • M8: Represents the pinnacle of performance, featuring the highest output V8 engine, track-tuned suspension, M-specific design elements, carbon fiber accents, and performance-oriented seating.

2021 BMW 8-Series Specifications

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Vehicle History Report

What Problems Does the 2021 BMW 8-Series Have?

The 2021 BMW 8-Series, being part of a relatively new generation, generally exhibits good reliability, but like any complex luxury vehicle, some issues have been reported. Owners and automotive reviews indicate a few areas that warrant attention. One common theme among luxury vehicles of this caliber is the potential for electronic glitches. Some owners have reported issues with the iDrive infotainment system, including screen unresponsiveness or connectivity problems. While not widespread, these can be frustrating. Another area to consider is the adaptive suspension system, which, while providing excellent ride quality and handling, can be complex and potentially expensive to repair if issues arise over the long term. Fuel pump failures have been noted in some BMW models from this era, and while specific widespread issues for the 2021 8-Series are not heavily documented, it's a component to be mindful of. Regarding recalls, for the 2021 model year, BMW issued recalls related to potential issues with the rearview camera, which might not display an image, and in some instances, problems with the braking system's software or components. It's crucial for any potential buyer to check for any outstanding recalls on a specific vehicle and ensure they have been addressed by a certified BMW dealer. Long-term reliability concerns, beyond typical wear and tear, often center around the advanced technologies and high-performance components. The V8 engines, while potent, require diligent maintenance to ensure longevity. Similarly, the sophisticated all-wheel-drive systems and complex transmissions need proper servicing. While BMW generally aims for high standards, the sheer number of advanced features means there are more potential points of failure compared to simpler vehicles. However, with regular, meticulous maintenance according to BMW's schedule, the 2021 8-Series is expected to offer a solid ownership experience for many years.

How long will the 2021 BMW 8-Series last?

Based on owner data and typical luxury car usage patterns, a 2021 BMW 8-Series can reasonably be expected to provide 10 to 15 years of service, accumulating an average of 12,000 to 15,000 miles per year. This translates to a potential lifespan of 120,000 to 225,000 miles. Long-term durability is significantly influenced by the owner's commitment to following BMW's stringent maintenance schedule, using premium fluids, and addressing any minor issues promptly. The robust inline-six and V8 engines are generally durable, but their sophisticated components and high-performance nature mean they require meticulous care. Weaknesses over time might manifest in the advanced electronics, such as the infotainment system or various sensors, and the complex suspension and drivetrain components. Regular professional servicing at a BMW dealership or a trusted independent specialist is key to mitigating these potential long-term concerns and preserving the vehicle's performance and luxury.

What Technology & Safety Features are Included?

The 2021 BMW 8-Series is replete with advanced technology, offering a luxurious and connected experience. Standard tech includes BMW's iDrive infotainment system, accessed via a 10.25-inch touchscreen, which is intuitive yet feature-rich. This system supports wireless Apple CarPlay, Bluetooth connectivity, and integrated navigation. Complementing the touchscreen is a 12.3-inch digital instrument cluster that can be customized to display various driving information and navigation prompts. For entertainment, a premium sound system is standard, with an optional Harman Kardon or Bowers & Wilkins surround sound system available for audiophiles. Smartphone integration is further enhanced by wireless charging. In terms of driver-assistance and safety, the 8-Series comes standard with a comprehensive suite of features. This typically includes forward-collision warning with automatic emergency braking, blind-spot monitoring, lane-departure warning, and parking sensors. A rearview camera is also standard. Optional features significantly enhance the safety and convenience. The Driving Assistance Professional Package often includes active cruise control with stop-and-go functionality, lane-keeping assist, and evasive steering assist, offering a semi-autonomous driving experience on highways. Other available options include a surround-view camera system, head-up display, and enhanced parking assistance. As for crash-test ratings, the 2021 BMW 8-Series has not undergone extensive testing by organizations like the NHTSA or IIHS in the same way as more mainstream vehicles due to its niche market status. However, BMW vehicles are generally engineered with robust safety structures, and the extensive standard and optional safety features aim to prevent accidents and protect occupants. Expect strong structural integrity and advanced passive safety systems, though specific numerical ratings might be less readily available compared to higher-volume models.

What Colors Options are Available?

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2021 BMW 8-Series Prices and Market Value

When new, the 2021 BMW 8-Series carried a Manufacturer's Suggested Retail Price (MSRP) that typically started around $87,000 for the 840i Coupe and could climb well over $130,000 for the M8 Convertible, with various options and trims influencing the final price. Currently, on the used market, you can find 2021 8-Series models in the range of $55,000 to $100,000+, depending heavily on the body style (Coupe, Convertible, Gran Coupe), trim level (840i, M850i, M8), mileage, condition, and optional features. The 8-Series experiences a steeper depreciation curve in its initial years, common for high-end luxury and performance vehicles. Factors affecting its resale value include its relatively low production numbers, desirability of specific trims (performance models tend to hold value better), condition, maintenance history, and overall market demand for luxury grand tourers. Well-maintained examples with lower mileage will command higher prices.

2021 BMW 8-Series Cost of Ownership

Owning a 2021 BMW 8-Series is undeniably costly. Insurance premiums will be substantial due to the vehicle's high value, performance, and luxury status. Fuel costs will also be significant, especially for the V8 M850i and M8 models, which have lower fuel economy. Maintenance is another major expense; regular servicing at a BMW dealership or a specialized European mechanic is crucial and carries a premium price tag. Repairs, particularly for complex systems like the engine, transmission, electronics, and adaptive suspension, can be very expensive. Overall, the 2021 BMW 8-Series is a costly vehicle to own and operate, appealing more to those who prioritize performance and luxury over economy.

2021 BMW 8-Series Fuel Efficiency

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2021 BMW 8-Series Insurance

Insurance for a 2021 BMW 8-Series is moderately priced, reflecting its status as a Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2021 BMW 8-Series Compare to Other Vehicle?

The 2021 BMW 8-Series competes in the high-end luxury coupe, convertible, and grand coupe segment against formidable rivals like the Mercedes-Benz S-Class Coupe/Convertible (though phasing out in favor of the SL and AMG GT variants), Porsche 911 (more of a sports car but often cross-shopped for performance), and the Audi A7/S7 (for the Gran Coupe body style).

Performance: The 8-Series excels here, especially the M850i and M8 trims, offering potent V8 power and engaging handling. The Porsche 911 generally offers sharper, more focused performance and a more visceral driving experience. The Mercedes-Benz models provide strong performance but often lean more towards comfort. The Audi A7/S7 offer brisk performance but are typically not in the same league as the M850i or M8.

Features: BMW is known for its high-quality interiors and advanced technology, and the 8-Series is no exception, with its iDrive system, excellent materials, and comprehensive driver aids. Mercedes-Benz often leads in sheer opulence and some cutting-edge tech features. Audi also offers a very well-appointed interior with its own distinct technological flair.

Reliability: Historically, German luxury brands can have higher maintenance and repair costs. The 8-Series, with its complex systems, follows this trend. While generally reliable with proper maintenance, issues can be costly. Reliability can vary, but often Japanese luxury brands like Lexus have a reputation for superior long-term reliability and lower ownership costs, though they may lack the same level of outright performance or cutting-edge luxury design.

Price: The 8-Series sits in a premium price bracket. The M8 can rival or exceed the price of some Porsche 911 models, while the 840i is more competitive with higher trims of the Audi A7 or entry-level Mercedes-Benz S-Class Coupe models (when they were available).

Recommendations:
  • For a more focused sports car experience with unparalleled driving dynamics: Consider the Porsche 911. It's a legendary performer but comes at a similar or higher price and is less practical.
  • For ultimate luxury and a more traditional grand tourer feel: Look at the Mercedes-Benz S-Class Coupe/Convertible (if available and within budget for earlier models) or the newer Mercedes-AMG SL. These offer supreme comfort and elegance.
  • For a stylish four-door coupe with strong performance: The Audi S7 is a compelling alternative, often at a slightly lower price point, offering a fantastic blend of luxury and performance, though not as overtly sporty as the 8-Series Gran Coupe.
  • For potentially lower long-term ownership costs and legendary reliability: While lacking the same performance pedigree, a well-equipped Lexus LC 500 offers stunning design and a comfortable ride, though its powertrain is different.
Ultimately, the 8-Series offers a superb balance for those seeking a luxurious, high-performance German grand tourer, but potential buyers should be aware of its premium ownership costs and consider rivals based on their specific priorities.

Final Verdict: Is the 2021 BMW 8-Series a Good Vehicle?

The 2021 BMW 8-Series is ideal for affluent buyers who desire a luxurious, stylish, and powerful grand tourer that makes a statement. It appeals to those who appreciate exhilarating performance without compromising on comfort and a premium interior. Whether it's worth buying depends heavily on your priorities and budget. As a new vehicle, it commands a significant price, but as a used purchase, it offers a compelling value proposition, especially for models a few years old. It's worth considering if long-term ownership costs, including insurance, fuel, and maintenance, are manageable. Specific trims like the M850i offer a fantastic blend of performance and luxury. For those seeking the pinnacle of performance, the M8 is an enthusiast's dream, albeit at a very high price point. If practicality is a major concern, the Gran Coupe offers more usability than the two-door variants. Ultimately, it's a car for those who want a sophisticated and exciting driving experience and are prepared for the associated luxury car expenses.

2021 BMW 8-Series Owner Reviews

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.