Compare BMW 6 Series F13 vs Alpina B6 F13 Coupe vs Alpina B4 F32 LCI
Variants
640d
640d xDrive
640i
640i xDrive
650i 407
650i 407 xDrive
650i 450
650i 450 xDrive
B6 Bi-Turbo
B6 Bi-Turbo EDITION 50
B4 S AWD
B4 S
B4 S Edition 99 AWD
B4 S Edition 99
Capacity
Cargo Capacity
460 L / 16.2 cu-ft
460 L / 16.2 cu-ft
445 L / 15.7 cu-ft
Fuel Capacity
70.0 L / 18.5 gal
70.0 L / 18.5 gal
60.0 L / 15.9 gal
Passengers
4
4
4
Payload
450 kg / 992 lbs
Chassis
Brakes | Front
Ventilated discs
Ventilated discs
Ventilated discs
Brakes | Rear
Ventilated discs
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Electric Steering
Electric Steering
Suspension | Front
Double-wishbone
Double-wishbone
Suspension | Rear
Multi-link
Multi-link
Tire Size
245/30 ZR20, 265/30 ZR20
Turning Circle
11.7 m / 38.4 ft
Construction
Body Style
2-door Coupe
2-door Coupe
2-door Coupe
Dimensions
Ground Clearance
124 mm / 4.9 in
Size | Height
1373 mm / 54.1 in
Size | Length
4894 mm / 192.7 in
4894 mm / 192.7 in
4640 mm / 182.7 in
Size | Width
1894 mm / 74.6 in
1825 mm / 71.9 in
Track Width | Front
1600.0 mm / 63.0 in
1594.0 mm / 62.8 in
Track Width | Rear
1576.0 mm / 62.0 in
Weight
1870.0 kg / 4122.6 lbs
Wheel Size
8J x 20, 9J x 20
Wheelbase
2855 mm / 112.4 in
2855 mm / 112.4 in
2810 mm / 110.6 in
Performance
CO2 Emission
219 g/km
Fuel Economy
9.4 L/100km / 25.0 MPG (combined) | 12.9 L/100km / 18.2 MPG (urban) | 7.4 L/100km / 31.8 MPG (highway)
Top Speed
250.0 km/h / 155.3 mph
Powertrain
Drivetrain Layout
Front-engine (longitudinal), Rear-wheel drive
Engine | Bore
89.0 mm / 3.5 in
84.0 mm / 3.3 in
Engine | Compression Ratio
10.0:1
10.2:1
Engine | Displacement
4.4 L / 268.2 cu-in / 4395.0 cc
3.0 L / 181.8 cu-in / 2979.0 cc
Engine | Stroke
88.3 mm / 3.5 in
89.6 mm / 3.5 in
Engine | Type
Bi-turbocharged direct-injected petrol inline-6 engine with 4 values per cylinder
Transmission | Gears
8-speed
8-speed
8-speed
Transmission | Type
Automatic Steptronic
Automatic
Automatic Switch-Tronic
Reviews
Neofiliac score
83%
64%
81%
Pros
- Elegant yet imposing styling
- New double-wishbone + multi-link suspension setup
- Good 0.28 drag coefficient
- Good levels of power output
- Nice interior upgrades
- Good performance
- Good styling
Cons
- Lots of AWD nonsense
- Horrible N63 and N57 engines
- Unreliable N63 engine
- Not as handsome as the E63
- Not as special as the M6
- Not notably better than the BMW 650i
- Not very special
- No manual transmission
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