The Alpina B6 Gran Coupe (F06 LCI), specifically the facelifted version produced from 2015 to 2018, represents a unique blend of luxury, performance, and exclusivity. Based on the BMW 6 Series Gran Coupe, the B6 is not a product of BMW’s M division, but rather a meticulously engineered vehicle by the independent manufacturer Alpina. This variant, equipped with a 4.4-liter twin-turbocharged V8 engine producing 600 horsepower and an all-wheel-drive system paired with Alpina’s Switch-Tronic eight-speed automatic transmission, occupies a niche position above the standard 6 Series and even some of BMW’s M models, offering a distinct driving experience tailored towards high-speed grand touring.
Technical Specifications
| Brand | Alpina |
| Model | B6 |
| Generation | B6 Gran Coupe (F06 LCI, Facelift 2015) |
| Type (Engine) | 4.4 V8 (600 Hp) Allrad Switch-Tronic |
| Start of production | 2015 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 14.3 l/100 km (16.4 US mpg, 19.8 UK mpg, 7 km/l) |
| Fuel consumption (economy) – extra urban | 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l) |
| Fuel consumption (economy) – combined | 10.4 l/100 km (22.6 US mpg, 27.2 UK mpg, 9.6 km/l) |
| CO2 emissions | 242 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3.8 sec |
| Acceleration 0 – 62 mph | 3.8 sec |
| Acceleration 0 – 60 mph | 3.6 sec |
| Maximum speed | 324 km/h (201.32 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 3.4 kg/Hp, 297 Hp/tonne |
| Weight-to-torque ratio | 2.5 kg/Nm, 396 Nm/tonne |
| Power | 600 Hp @ 6000 rpm |
| Power per litre | 136.5 Hp/l |
| Torque | 800 Nm @ 3500-4500 rpm (590.05 lb.-ft. @ 3500-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 4395 cm3 (268.2 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 89 mm (3.5 in.) |
| Piston Stroke | 88.3 mm (3.48 in.) |
| Compression ratio | 10:1 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Kerb Weight | 2020 kg (4453.34 lbs.) |
| Max. weight | 2550 kg (5621.79 lbs.) |
| Max load | 530 kg (1168.45 lbs.) |
| Trunk (boot) space – minimum | 460 l (16.24 cu. ft.) |
| Trunk (boot) space – maximum | 1265 l (44.67 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal, 15.4 UK gal) |
| Length | 5007 mm (197.13 in.) |
| Width | 1894 mm (74.57 in.) |
| Width including mirrors | 2081 mm (81.93 in.) |
| Height | 1398 mm (55.04 in.) |
| Wheelbase | 2968 mm (116.85 in.) |
| Front track | 1594 mm (62.76 in.) |
| Rear (Back) track | 1623 mm (63.9 in.) |
| Front overhang | 941 mm (37.05 in.) |
| Rear overhang | 1098 mm (43.23 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission Switch-Tronic |
| 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 | 255/35 ZR20; 295/30 ZR20 |
| Wheel rims size | 8.5J x 20; 10J x 20 |
Powertrain & Engine Architecture
At the heart of the B6 Gran Coupe lies Alpina’s version of the BMW N63 engine. This 4.4-liter twin-turbocharged V8, internally designated as the Alpina/BMW P30 engine, benefits from extensive modifications compared to the standard BMW unit. These include bespoke turbochargers, intercoolers, and engine management software, resulting in a power output of 600 horsepower and a substantial 800 Nm (590 lb-ft) of torque. The engine utilizes direct fuel injection and a sophisticated valvetrain with Double-VANOS variable valve timing and Valvetronic variable valve lift. The Switch-Tronic eight-speed automatic transmission, developed in collaboration with ZF, is specifically tuned for Alpina’s performance requirements. It features a unique shift program and enhanced cooling to handle the increased power output. The all-wheel-drive system, BMW’s xDrive, is also recalibrated to provide optimal traction and stability.
Driving Characteristics
The B6 Gran Coupe delivers a remarkably refined yet potent driving experience. The 600 horsepower and 800 Nm of torque provide effortless acceleration, with a 0-60 mph time of around 3.6 seconds and a top speed electronically limited to 201 mph. The Switch-Tronic transmission offers smooth and precise gear changes, whether in automatic mode or controlled manually via steering-mounted paddles. Compared to the standard 6 Series or even the BMW M6, the Alpina B6 prioritizes comfort and usability without sacrificing performance. The suspension is tuned to provide a more compliant ride, while the exhaust note is more subdued, making it a more suitable grand tourer for long distances. The xDrive all-wheel-drive system provides excellent grip in all weather conditions, enhancing confidence and stability.
Equipment & Trim Levels
The Alpina B6 Gran Coupe came exceptionally well-equipped as standard. Interior appointments included Lavalina leather upholstery, Alpina-specific interior trim (often featuring wood or carbon fiber), sport seats with adjustable bolstering, and a premium sound system. Standard features also included a head-up display, navigation system, parking sensors, and a host of driver-assistance systems. Optional extras included a panoramic sunroof, upgraded leather options, and bespoke interior customization through Alpina’s Atelier program. The B6 was positioned as a luxury performance vehicle, and as such, the focus was on providing a high level of comfort and refinement alongside its impressive performance capabilities.
Chassis & Braking
The B6 Gran Coupe utilizes a modified version of the BMW 6 Series Gran Coupe’s chassis. Alpina engineers recalibrated the suspension, including stiffer springs and dampers, to improve handling and reduce body roll. The car features a multi-link rear suspension and a lightweight aluminum front axle. Braking duties are handled by ventilated discs at all four corners, with Alpina-branded calipers. The braking system is optimized for high-speed performance and repeated use. The standard tires are high-performance summer tires, providing excellent grip in dry conditions.
Market Reception & Comparison
The Alpina B6 Gran Coupe was generally well-received by automotive critics. It was praised for its blend of performance, luxury, and refinement. Reviewers noted that it offered a unique alternative to the BMW M6, providing a more comfortable and usable grand touring experience. Fuel economy, while not a primary concern for buyers in this segment, was respectable for a vehicle of this performance level, averaging around 22.6 US mpg in combined driving. Reliability was generally good, although maintenance costs were higher than those of a standard BMW 6 Series due to the specialized components and Alpina’s bespoke engineering.
Legacy
The Alpina B6 Gran Coupe (F06 LCI) remains a desirable vehicle in the used car market. Its combination of performance, luxury, and exclusivity has ensured its continued appeal to enthusiasts. The 4.4-liter twin-turbocharged V8 engine has proven to be relatively reliable, although regular maintenance is essential. The Switch-Tronic transmission is also known for its durability. As a limited-production vehicle, the B6 Gran Coupe represents a unique and collectible offering from Alpina, appealing to those seeking a high-performance grand tourer with a distinct character.
