The BMW M8 Gran Coupe (Concept) GTE 4.0 V8 (507 Hp) represents a high-performance iteration of BMW’s luxury coupe lineage, unveiled as a concept in 2017. This vehicle served as a precursor to the production M8 Gran Coupe, showcasing BMW’s engineering capabilities and design direction. It was positioned as a flagship model, blending the performance characteristics of the M series with the elegant styling of the 8 Series Gran Coupe. The concept car was a singular expression, not entering full production in that exact form, but heavily influencing the subsequent production model released in later years. It was designed to demonstrate the potential of a high-performance, four-door coupe, targeting a clientele seeking both luxury and exhilarating driving dynamics.
Technical Specifications
| Brand | BMW |
| Model | M8 |
| Generation | M8 Gran Coupe (Concept) |
| Type (Engine) | GTE 4.0 V8 (507 Hp) |
| Start of production | 2017 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 2 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Power | 507 Hp |
| Power per litre | 127.4 Hp/l |
| Maximum engine speed | 7000 rpm |
| Engine displacement | 3981 cm3 |
| Engine displacement (cu. in.) | 242.94 cu. in. |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 89 mm |
| Cylinder Bore (in.) | 3.5 in. |
| Piston Stroke | 80 mm |
| Piston Stroke (in.) | 3.15 in. |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-power turbo, Intercooler |
| Length | 4980 mm |
| Length (in.) | 196.06 in. |
| Width | 2046 mm |
| Width (in.) | 80.55 in. |
| Width including mirrors | 2224 mm |
| Width including mirrors (in.) | 87.56 in. |
| Height | 1212 mm |
| Height (in.) | 47.72 in. |
| Wheelbase | 2880 mm |
| Wheelbase (in.) | 113.39 in. |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 30/68 R18; 31/71 R18 |
| Wheel rims size | 12.5J x 18; 13J x 18 |
Powertrain & Engine Architecture
At the heart of the M8 Gran Coupe Concept lies BMW’s 4.0-liter twin-turbocharged V8 engine, designated as the S63. This engine is a significant departure from naturally aspirated BMW engines of the past, embracing forced induction to deliver substantial power and torque. The engine utilizes direct fuel injection, ensuring precise fuel delivery for optimal combustion and efficiency. The twin-turbocharger setup, employing twin-scroll technology, minimizes turbo lag and provides a broad, flat torque curve. The engine’s architecture is a 90-degree V8, known for its inherent balance and smoothness. The 6-speed automatic transmission was chosen for its ability to handle the engine’s substantial output and provide smooth, responsive shifts. While later production models moved to 8-speed automatics, the concept retained the 6-speed unit. The engine’s internal components, including forged pistons and strengthened connecting rods, were designed to withstand the stresses of high-performance driving.
Driving Characteristics
The M8 Gran Coupe Concept, with its 507 horsepower and 553 lb-ft of torque, offered exhilarating acceleration and a dynamic driving experience. The 6-speed automatic transmission, while not as advanced as modern 8-speed units, provided quick and precise shifts. The concept car’s relatively low weight, combined with the powerful V8 engine, resulted in impressive straight-line performance. The suspension system, tuned for both comfort and handling, provided a stable and controlled ride. The steering, featuring electric power assistance, offered precise feedback and responsiveness. Compared to potential lower-powered 8 Series variants, the M8 Concept delivered a significantly more aggressive and engaging driving experience, prioritizing performance over outright comfort. The twin-turbocharged engine provided instant throttle response and a relentless surge of power throughout the rev range.
Equipment & Trim Levels
As a concept vehicle, the M8 Gran Coupe was equipped with a range of luxurious and technologically advanced features. The interior showcased high-quality materials, including premium leather upholstery, carbon fiber trim, and brushed aluminum accents. The seats were designed for both comfort and support, providing excellent bolstering during spirited driving. The dashboard featured a high-resolution infotainment system with a large central display screen. The concept car also included advanced driver-assistance systems, such as adaptive cruise control and lane-keeping assist. The exterior styling was equally striking, with a sleek, aerodynamic body, aggressive front fascia, and distinctive rear spoiler. The concept car’s color scheme was a striking combination of metallic blue and black, further emphasizing its sporty character. While specific trim levels didn’t exist for the concept, it represented the pinnacle of luxury and performance for the 8 Series range.
Chassis & Braking
The M8 Gran Coupe Concept utilized a robust chassis designed to handle the engine’s immense power. The suspension system featured a multi-link setup at both the front and rear, providing excellent wheel control and ride comfort. Large, ventilated disc brakes were fitted at all four corners, providing ample stopping power. The anti-lock braking system (ABS) ensured optimal braking performance in all conditions. The steering system employed a rack-and-pinion design with electric power assistance, offering precise and responsive steering feel. The concept car’s chassis was optimized for both handling and stability, allowing for confident cornering and precise control. The use of lightweight materials, such as carbon fiber, helped to reduce weight and improve overall performance.
Market Reception & Comparison
The M8 Gran Coupe Concept received overwhelmingly positive reception from automotive critics and enthusiasts alike. It was praised for its stunning design, powerful engine, and luxurious interior. Critics noted that the concept car represented a significant step forward for BMW, showcasing the brand’s commitment to innovation and performance. Compared to other high-performance coupes on the market, the M8 Concept stood out for its combination of luxury, performance, and technology. While a direct comparison was difficult due to its concept status, it was favorably compared to rivals such as the Porsche Panamera and Mercedes-Benz S-Class Coupe. The concept car generated significant buzz and anticipation for the eventual production model.
Legacy
The M8 Gran Coupe Concept served as a crucial stepping stone in the development of the production M8 Gran Coupe. Many of the design elements and technological features showcased in the concept car were incorporated into the final production model. The concept car’s positive reception helped to solidify BMW’s decision to bring the M8 Gran Coupe to market. The production M8 Gran Coupe has since established itself as a formidable competitor in the high-performance luxury coupe segment. The concept car remains a significant piece of BMW history, representing a bold vision for the future of luxury performance vehicles. The engine architecture and core technologies introduced in the M8 Concept continue to influence BMW’s powertrain development today.
