Quick answer: The 2024 BMW M8 Gran Coupe Competition is a twin-turbocharged V8 performance vehicle starting at $138,800. It offers supercar-level acceleration (0-60 mph in 2.7 seconds) and everyday practicality. While it is $38,000 cheaper than a Mercedes-AMG GT 63, prospective buyers should prepare for high long-term maintenance costs and restricted rear-seat headroom.
Key takeaways:
The BMW M8 Gran Coupe represents the pinnacle of non-hybrid performance within the modern lineup. Carrying the G16 (F93) platform designation, this fastback combines the aggressive driving dynamics of the M8 Coupe with the daily usability of a four-door sedan. Unlike newer models that feature polarizing design updates, the 2024 M8 Gran Coupe retains classic, sleek BMW proportions. It remains a compelling performance alternative to high-end sports sedans, especially for buyers who want an traditional internal combustion engine.
For 2024, the flagship vehicle continues into the 2025 BMW M8 Gran Coupe model years with its powertrain unchanged, offering a stable mechanical package that has matured since its 2020 debut. It delivers competitive stats at a lower entry price than many specialized German rivals.
Understanding the real costs associated with buying and running an ultra-performance vehicle is critical for prospective owners. The M8 Gran Coupe commands a six-figure price tag, but market data reveals that buyers have room to negotiate.
While the official base price starts at $138,800, retail transaction data indicates that buyers rarely pay full sticker price. According to market data from J.D. Power, the average transaction price paid is $137,189, with a typical purchase range spanning from $125,144 to $149,728 depending on optional equipment.
| Price Configuration | Amount (USD) |
|---|---|
| Base MSRP | $138,800 |
| Estimated Invoice Price | $129,585 |
| Average Transaction Price | $137,189 |
| Federal Gas Guzzler Tax | $1,000 |
| Destination Charge | $995 |
Optional packages quickly raise these figures. Popular choices include the $5,400 M Carbon Fiber Exterior Package, the $8,500 Carbon Ceramic Brakes, and the $2,500 M Driver's Package, which raises the top speed limiter.
BMW offers a 3-year or 36,000-mile complimentary maintenance plan, alongside a 4-year or 50,000-mile limited warranty. However, out-of-warranty running costs are premium. Owners must budget for high recurring expenses:
The mechanical heart of the M8 Gran Coupe is its highly engineered powertrain, designed to deliver immediate throttle response across the rev range.
Under the hood lies the S63 4.4-liter twin-turbocharged V8 engine (specifically the S63B44T4). The engine routes power through an 8-speed M Steptronic automatic transmission to the M xDrive all-wheel-drive system.
| Specification | Value |
|---|---|
| Engine Displacement | 4.4 Liters (268 cu in) |
| Configuration | Twin-Turbocharged V8 |
| Horsepower | 617 hp @ 6,000 rpm |
| Torque | 553 lb-ft @ 1,800 - 5,860 rpm |
| Drivetrain | M xDrive AWD (with 2WD mode) |
| Curb Weight | 4,480 lbs |
The M xDrive system is highly versatile. Drivers can select a pure rear-wheel-drive mode (2WD) by disabling stability control, allowing traditional power slides for track driving.
While BMW officially claims a 0-60 mph time of 3.0 seconds, independent testing demonstrates that the vehicle is significantly faster. In instrumented testing by Car and Driver, the M8 Gran Coupe launched from 0 to 60 mph in a blistering 2.7 seconds. The quarter-mile sprint was completed in 10.8 seconds at an exit speed of 129 mph. Top speed is limited to 155 mph by default, but the M Driver's Package raises this threshold to 190 mph.
High-output V8 engines are rarely fuel-efficient, and the M8 Gran Coupe is no exception, though it can surprise on long-term highway trips.
The EPA rates the 2024 model at 15 mpg city, 22 mpg highway, and 17 mpg combined. Due to these low efficiency ratings, the car incurs a mandatory $1,000 federal Gas Guzzler Tax at the point of sale. The EPA estimates its annual greenhouse gas emissions at 8.1 tons of CO2, compared to the 6.5-ton average for its vehicle class.
Real-world efficiency varies wildly based on driving behavior. During standard mixed-driving testing, Edmunds achieved an observed fuel economy of 21.8 mpg on their 115-mile mixed evaluation loop. This demonstrates that the V8 can be relatively efficient when cruising at highway speeds. Conversely, aggressive driving drops real-world efficiency to 14 to 16 mpg. The vehicle has a 20.1-gallon fuel tank, giving it a highway range of approximately 400 miles.
The M8 Gran Coupe is designed to blend the performance of a supercar with the cabin luxury of a flagship sedan.
The fastback design features a sweeping roofline that tapers into a short rear deck. Quad exhaust tips, widened fender flares, and massive front air intakes visually distinguish the vehicle from standard models. The optional $5,400 M Carbon Fiber Exterior Package swaps plastic body trim for carbon-reinforced elements, reducing weight slightly while enhancing visual appeal.
The cabin features standard Merino leather upholstery, carbon fiber trim, a 12.3-inch central infotainment screen running iDrive 7, and a 16-speaker Harman Kardon sound system. A 16-speaker Bowers & Wilkins Diamond Surround system is available as a $3,400 upgrade.
The primary interior trade-off is rear-seat space. The fastback roofline reduces rear headroom compared to standard sedans, meaning passengers over six feet tall may find the rear seats cramped. The trunk offers 15 cubic feet of cargo volume, which is highly practical compared to the two-door coupe version.
The G16 platform and S63 engine have proven to be robust when maintained according to schedule, but high-mileage or neglected models display documented failure points. Prospective buyers should review the vehicle's maintenance history carefully.
High-output S63 V8 engines are known to experience premature wear on the connecting-rod bearings. If oil change intervals are neglected, metal-on-metal wear can lead to catastrophic engine failure. Additionally, failures of the high-pressure fuel pumps (HPFP) can cause sudden fuel starvation, resulting in engine hesitation, limp mode, or stalling under load.
The twin turbochargers are nested inside the center "V" of the engine block (a "hot-inside-V" configuration). While this layout improves throttle response, it generates extreme heat in the engine valley. Over time, this heat causes the plastic and rubber coolant lines running to the turbochargers to become brittle, crack, and leak coolant. Inspecting these lines for leaks is a critical pre-purchase check.
Owners frequently report loud brake squeaking from the high-performance M Sport brakes, especially when the rotors are cold. BMW states that this noise is a natural characteristic of high-friction performance pads. The S63 engine is also known to consume oil between scheduled service intervals. Owners should check oil levels regularly to avoid running the V8 low on lubrication. NHTSA recall databases list historical campaigns for software glitches and suspension welds, which should be verified as completed via the NHTSA Recalls portal.
The high-performance four-door segment features strong competition from other German manufacturers. The M8 Gran Coupe positions itself as a performance value play within this group.
| Model | Base MSRP (USD) | Power | Tested 0-60 mph | Quarter-Mile |
|---|---|---|---|---|
| BMW M8 Gran Coupe Competition | $138,800 | 617 hp | 2.7 sec | 10.8 sec @ 129 mph |
| Mercedes-AMG GT 63 (4-Door) | $177,050 | 577 hp | 3.1 sec | 11.4 sec @ 125 mph |
| Audi RS7 Performance | $127,800 | 621 hp | 2.9 sec | 11.2 sec @ 119 mph |
| Porsche Panamera Turbo E-Hybrid | $191,000 | 670 hp | 2.9 sec | 11.5 sec @ 127 mph |
The M8 Gran Coupe offers competitive acceleration that matches or beats its rivals while costing significantly less than the Mercedes-AMG GT 63 and Porsche Panamera Turbo. It provides a more engaging, hydraulic-like steering feel than the Mercedes, though the AMG GT 63 offers slightly higher peak torque (590 lb-ft). The Audi RS7 is priced lower but features a slightly softer, wagon-like ride quality compared to the track-focused suspension setup of the BMW.
Compared to its predecessor, the 2023 BMW M8 Gran Coupe, the 2024 model remains mechanically identical, offering the same value proposition.
Pros:
Cons:
The 2024 BMW M8 Gran Coupe has an electronically limited top speed of 155 mph. When equipped with the optional M Driver's Package, the limiter is raised to 190 mph. In independent testing, it accelerates from 0 to 60 mph in 2.7 seconds and covers the quarter-mile in 10.8 seconds.
The S63 V8 engine commonly experiences plastic coolant line degradation in the hot V-valley, leading to coolant leaks. Other known issues include high-pressure fuel pump (HPFP) failures, accelerated rod bearing wear on high-mileage cars, and normal but high engine oil consumption.
Like most high-end luxury vehicles, the M8 Gran Coupe experiences steep initial depreciation. However, this makes it an excellent purchase on the pre-owned market. Buyers can also secure discounts off MSRP when purchasing new due to soft demand.
The M8 Gran Coupe Competition is roughly $38,000 cheaper than the base Mercedes-AMG GT 63 while offering more horsepower (617 hp vs 577 hp) and faster acceleration (2.7s vs 3.1s 0-60 mph). The Mercedes provides slightly more torque and a more aggressive rear suspension setup, but the BMW offers better steering feedback.
The 2024 BMW M8 Gran Coupe Competition is a highly capable four-door grand tourer that successfully bridges the gap between executive luxury and extreme performance. For buyers looking to transition from other performance models or looking to explore the flagship BMW M8 Gran Coupe model line, the vehicle delivers unmatched speed-per-dollar. However, potential owners must budget for premium maintenance costs and accept the cramped rear headroom in exchange for its beautiful sweeping silhouette.
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