Choosing between the BMW M8 Convertible vs BMW M8 Gran Coupe in 2025 can feel overwhelming. Both models offer exceptional performance and luxury, but they cater to different lifestyles. You need to consider how each vehicle aligns with your preferences for speed, comfort, and practicality.
Recent trends highlight why this decision matters.
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Electric convertibles now deliver sustainable driving with advanced energy efficiency.
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Modern vehicles integrate connected features like infotainment systems and smartphone compatibility.
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More people prefer convertibles for leisure driving and road trips, making the BMW M8 Convertible a popular choice.
Understanding these factors will help you decide which BMW M8 model, whether the Convertible or the Gran Coupe, suits your needs.
Key Takeaways
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Pick the BMW M8 Convertible for fun, open-top drives. It’s great for scenic trips and vacations.
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Choose the BMW M8 Gran Coupe if you need more room. It works well for families or traveling with friends.
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Both cars have a strong twin-turbo V-8 engine. They give 600 to 617 horsepower for amazing speed.
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Think about gas usage; both cars get 17 mpg combined. This mixes power with decent driving distance.
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Enjoy advanced tech in both cars, like a modern infotainment system and top safety features.
BMW M8 Convertible vs BMW M8 Gran Coupe: Key Specifications
Engine and Power Output
The BMW M8 Convertible and M8 Gran Coupe both feature a powerful 4.4-liter twin turbo premium unleaded V-8 engine. This engine delivers exceptional performance, making both models stand out in their class. The standard power output for the M8 is 600 horsepower and 553 lb-ft of torque. However, the BMW M8 Competition variant boosts these numbers to 617 horsepower, offering even more thrilling acceleration.
Both models come equipped with an 8-speed automatic transmission and BMW’s M xDrive all-wheel drive system. This combination ensures smooth gear shifts and excellent traction, even during high-speed maneuvers. Whether you choose the Convertible or the Gran Coupe, you’ll experience the max power and max torque that only a twin turbo V-8 can provide.
Dimensions and Weight Comparison
When comparing the dimensions, the BMW M8 Convertible and M8 Gran Coupe cater to different preferences. The Convertible offers a sleek, open-top design, while the Gran Coupe provides a more spacious four-door layout. The Gran Coupe is slightly longer and heavier, which contributes to its enhanced cabin space and practicality.
The Convertible’s lightweight design prioritizes agility and sporty handling. On the other hand, the Gran Coupe’s added weight improves stability, especially during long-distance drives. Both models maintain a low center of gravity, ensuring excellent balance and control.
Fuel Efficiency and Range
Fuel efficiency is a key consideration for any high-performance vehicle. Both the BMW M8 Convertible and M8 Gran Coupe achieve a combined fuel economy of 17 mpg, with 15 mpg in the city and 22 mpg on the highway. Each model features a 20.1-gallon fuel tank, providing a respectable driving range for their class.
While these figures may not match those of smaller, less powerful vehicles, they are impressive for a twin turbo premium unleaded V-8 engine. The balance between performance and efficiency makes both models suitable for enthusiasts who value power without compromising on range.
Performance of the BMW M8 Convertible and M8 Gran Coupe
Acceleration and Top Speed
When it comes to acceleration, both the BMW M8 Convertible and M8 Gran Coupe deliver exhilarating results. The BMW M8 Competition variant, available for both models, achieves a 0-100 kph sprint in just 3.1 seconds, while the standard M8 Gran Coupe follows closely at 3.2 seconds. These figures highlight the incredible power of the 4.4-liter twin-turbo V-8 engine, which produces up to 617 horsepower in the Competition trim.
The top speed of the M8 Convertible and M8 Gran Coupe is equally impressive. The Convertible reaches 305 kph (190 mph), while the Gran Coupe slightly edges it out at 309 kph (192 mph). These speeds make both models ideal for enthusiasts who crave track performance and highway dominance.
Metric |
M8 Gran Coupe |
BMW M8 Competition |
---|---|---|
60 – 100 kph (5) |
3.2 s |
3.1 s |
Top speed |
309 kph |
305 kph |
Handling and Stability
The BMW M8 Convertible offers a nimble and sporty driving experience, thanks to its lightweight design and lower center of gravity. This makes it perfect for winding roads and spirited drives. The M8 Gran Coupe, on the other hand, provides enhanced stability due to its longer wheelbase and additional weight. This stability becomes especially noticeable during high-speed cruising or long-distance journeys.
Both models feature BMW’s M xDrive all-wheel-drive system, which ensures optimal traction and control. Whether you’re navigating tight corners or accelerating on a straightaway, the system adapts to provide maximum grip. The Convertible leans toward agility, while the Gran Coupe prioritizes balance and composure.
Suspension and Ride Comfort
The suspension systems in both the BMW M8 Convertible and M8 Gran Coupe are designed to balance performance with comfort. Adaptive M suspension comes standard, allowing you to adjust the ride quality based on your preferences. In Comfort mode, the suspension absorbs road imperfections, making daily commutes smooth and enjoyable. Switching to Sport or Sport Plus mode stiffens the suspension, enhancing responsiveness for spirited driving.
The Convertible’s open-top design adds an extra layer of excitement, but it may slightly compromise ride comfort on uneven roads. The Gran Coupe, with its rigid structure, offers a more refined ride, making it a better choice for those who prioritize comfort over open-air thrills.
Design and Practicality of the BMW M8 Models
Exterior Styling and Aesthetics
The BMW M8 Convertible and M8 Gran Coupe showcase distinct design philosophies. The Convertible exudes a sporty and adventurous vibe with its open-top design. Its sleek lines and aerodynamic profile make it a head-turner, especially when the roof is down. The Gran Coupe, on the other hand, offers a more sophisticated and commanding presence. Its four-door layout and elongated body emphasize elegance and practicality.
Both models feature signature BMW design elements, such as the kidney grille and aggressive front fascia. The Convertible’s compact dimensions enhance its sporty appeal, while the Gran Coupe’s larger frame adds a sense of grandeur. You’ll also notice subtle differences in the rear design, with the Convertible focusing on a streamlined look and the Gran Coupe incorporating a more robust stance.
Interior Space and Seating Capacity
Inside, both models deliver luxury and comfort, but their layouts cater to different needs. The BMW M8 Convertible prioritizes an intimate and sporty cabin experience. The M8 Gran Coupe, however, offers more room for passengers, making it ideal for families or those who frequently travel with others.
Here’s a breakdown of the interior features:
Feature |
Details |
---|---|
Max seating capacity |
5 |
Front seats |
Bucket |
Rear seats |
Bucket |
Split folding rear seat |
Yes |
Leather upholstery |
Yes |
Heated front seats |
Yes |
Ventilated front seats |
Yes |
Power driver seat |
Yes |
Power passenger seat |
Yes |
Air conditioning |
Yes |
Automatic temperature control |
Yes |
Both models include premium materials like leather upholstery and heated, ventilated front seats. The Gran Coupe’s additional rear space and split-folding seats enhance practicality, while the Convertible focuses on delivering a driver-centric experience.
Trunk Space and Storage Options
Trunk space is another area where the two models differ. The BMW M8 Convertible offers a smaller trunk, prioritizing its sporty design and open-top mechanism. It’s perfect for carrying essentials for a weekend getaway. The M8 Gran Coupe, with its larger trunk and split-folding rear seats, provides more storage flexibility. This makes it a better choice for longer trips or when you need to transport bulkier items.
Both models include clever storage solutions within the cabin, such as door pockets and a center console. However, the Gran Coupe’s additional space ensures you won’t have to compromise on practicality. Whether you value style or utility, BMW has tailored each model to meet specific needs.
Features and Technology in the BMW M8 Convertible and Gran Coupe
Infotainment and Connectivity Features
The BMW M8 Convertible and Gran Coupe both feature cutting-edge infotainment systems designed to keep you connected and entertained. The iDrive 8.0 system, with its larger touchscreen, offers an intuitive interface for controlling navigation, media, and vehicle settings. Apple CarPlay and Android Auto integration come standard, allowing seamless smartphone connectivity. Whether you’re streaming music or accessing apps, the system ensures a smooth experience.
The Convertible enhances your open-air drives with a premium sound system that delivers crisp audio quality, even with the top down. Meanwhile, the Gran Coupe’s cabin acoustics create an immersive environment for passengers. Both models include a head-up display with augmented reality features, projecting navigation and speed data onto the windshield for easy viewing. This technology ensures you stay focused on the road while accessing essential information.
Safety and Driver Assistance Systems
Safety remains a priority in both the BMW M8 Convertible and Gran Coupe. Advanced driver assistance features provide peace of mind during every journey. Forward collision warning and automatic emergency braking help prevent accidents by alerting you to potential hazards and applying brakes when necessary. Lane-departure warning ensures you stay centered, while adaptive headlights improve visibility during nighttime drives.
The Gran Coupe includes additional features like blind-spot monitoring and adaptive cruise control, making it ideal for long-distance travel. The Convertible, with its rain-sensing windshield wipers and rearview camera, offers convenience and safety for city driving. Both models include the Driving Assistance Professional package, which adds advanced capabilities like lane-keep assist and automatic parking assist. These systems enhance your confidence behind the wheel.
Comfort and Luxury Enhancements
Luxury defines the BMW M8 models, with each offering unique touches to elevate your driving experience. The Convertible focuses on sporty elegance, featuring M Sport seats with enhanced support for spirited drives. Ventilated and heated front seats ensure comfort in any weather, while the automatic air conditioning system maintains an ideal cabin temperature.
The Gran Coupe emphasizes refinement and practicality. Its spacious interior accommodates up to five passengers, making it perfect for families or group outings. Premium materials, such as leather upholstery and aluminum trim, create a sophisticated atmosphere. Both models include 20-inch forged aluminum wheels, adding a touch of style to their powerful presence.
Whether you prefer the open-top thrills of the Convertible or the four-door versatility of the Gran Coupe, the 2025 BMW M8 lineup delivers unmatched luxury and technology.
Driving Experience: BMW M8 Convertible vs BMW M8 Gran Coupe
Open-Top Driving Experience
The BMW M8 Convertible offers a driving experience that feels truly unique. Lowering the roof immerses you in your surroundings, letting you enjoy the open sky and fresh air. This feature transforms every drive into an adventure, whether you’re cruising along the coastline or navigating city streets.
The Convertible’s design ensures minimal wind turbulence, even at higher speeds. BMW engineers have incorporated advanced aerodynamics and a wind deflector to keep the cabin comfortable. You can enjoy the thrill of open-top driving without compromising on comfort.
Tip: If you love scenic drives or road trips, the Convertible’s open-top design enhances the experience like no other.
Four-Door Versatility of the Gran Coupe
The M8 Gran Coupe excels in practicality without sacrificing performance. Its four-door layout makes it ideal for families or those who frequently travel with passengers. The rear seats provide ample legroom, ensuring comfort for everyone on board.
This model also offers easy access to the rear cabin, making it convenient for daily use. Whether you’re running errands or embarking on a long journey, the Gran Coupe adapts to your needs. Its spacious interior and refined design make it a versatile choice for drivers who value both luxury and functionality.
Cabin Insulation and Noise Levels
Both models deliver exceptional cabin insulation, but their designs create different experiences. The M8 Gran Coupe features a rigid structure that minimizes road noise, creating a serene environment for passengers. This makes it perfect for long-distance drives or commutes.
The Convertible, while quieter than many other open-top cars, allows some external sounds to enter the cabin. This adds to the immersive experience of open-air driving. However, when the roof is up, the Convertible’s insulated soft top effectively reduces noise, ensuring a peaceful ride.
Each model caters to different preferences. If you prioritize a quiet cabin, the Gran Coupe is the better choice. If you enjoy the sounds of the road and nature, the Convertible delivers a more engaging experience.
Value for Money: BMW M8 Convertible and M8 Gran Coupe
Pricing and Available Trim Levels
The 2025 BMW M8 lineup offers a range of models to suit different preferences and budgets. The starting MSRP for the M8 Convertible is approximately $148,800, while the M8 Gran Coupe starts at $138,800. For those seeking enhanced performance, the M8 Competition Convertible and M8 Competition Gran Coupe are priced at $160,000 and $151,000, respectively. These prices reflect the premium features and engineering excellence that BMW delivers.
Model |
Starting MSRP |
Key Features |
---|---|---|
2025 BMW M8 Gran Coupe |
$138,800 |
4.4L V-8 617hp twin turbo engine, 8-speed automatic transmission, integrated navigation system, etc. |
2025 BMW M8 Convertible |
$148,800 |
Open-air driving, similar features to Gran Coupe, expected pricing based on previous models. |
2025 BMW M8 Competition |
$160,000 |
Enhanced performance features, includes all standard features of the base models. |
2025 BMW M8 Competition Gran Coupe |
$151,000 |
Performance-oriented features, includes all standard features of the Gran Coupe. |
The average price of these models positions them competitively within the luxury sports car segment. Whether you prioritize open-top driving or four-door practicality, the M8 lineup offers options tailored to your lifestyle.

Warranty and Maintenance Coverage
BMW provides comprehensive warranty and maintenance plans for the M8 models, ensuring peace of mind for owners. The basic and powertrain warranties cover 48 months or 50,000 miles, while the corrosion perforation warranty extends to 144 months with unlimited mileage. Roadside assistance is also included for 48 months with no mileage limit.
Warranty Type |
Duration |
---|---|
Basic warranty |
48 months/50,000 miles |
Powertrain warranty |
48 months/50,000 miles |
Corrosion perforation warranty |
144 months/unlimited distance |
Roadside assistance coverage |
48 months/unlimited distance |
Maintenance warranty |
36 months/36,000 miles |
BMW’s maintenance plan includes regular services such as oil changes, brake fluid replacement, and comprehensive inspections. These services ensure your M8 remains in peak condition, though high-performance components like tires and brakes may incur additional costs.
Resale Value and Long-Term Ownership Costs
The BMW M8 models maintain strong resale value due to their reputation for performance and luxury. While the starting MSRP may seem high, the long-term ownership costs are competitive within the high-performance sports car category. Routine maintenance and repairs are manageable, though premium components like high-performance tires and brakes can increase expenses.
Compared to other vehicles in its class, the M8 offers a balanced ownership experience. Its mild-hybrid system, introduced in 2024, improves fuel efficiency and reduces emissions, further enhancing its value proposition. If you prioritize a blend of luxury, performance, and long-term reliability, the M8 Convertible and Gran Coupe deliver excellent value for money.
Choosing between the BMW M8 Convertible and BMW M8 Gran Coupe depends on your lifestyle and priorities. The Convertible offers open-top thrills and a sporty design, while the Gran Coupe emphasizes practicality with its four-door layout and spacious interior. Both models deliver exceptional performance, luxury, and cutting-edge technology.
Model |
Starting Price |
---|---|
M8 Coupe |
$138,800 |
M8 Competition Coupe |
$151,000 |
M8 Convertible |
$148,800 |
M8 Competition Convertible |
$160,000 |
M8 Gran Coupe |
$138,800 |
M8 Competition Gran Coupe |
$151,000 |

If you value an exhilarating driving experience and stylish aesthetics, the Convertible is the ideal choice. For those seeking overall versatility and comfort for passengers, the Gran Coupe stands out. By understanding these differences, you can confidently decide which model best suits your needs.
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