Technical specifications
| Clear list | BMW 6er | Audi S6 |
| Totals | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| Mark | BMW | Audi |
| Model | 6er 4.4 (650i Gran Coupe xDrive) | S6 4.0 TFSI |
| Year | 2012 | 2014 |
| Number of doors/seats | 4/4 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | 2015 | 1970 |
| Gross Weight Limit | 2550 | 2505 |
| Top Speed, km/h | 250 | 250 |
| Acceleration 0-100 kph | 4.4 | 4.4 |
| Minimum turning radius, m | 6 | 6 |
| Cargo Volume, min/max, L | 460/1265 | 530 |
| Dimensions specifications, mm | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| Length | 5007 | 4931 |
| Width | 1894 | 1874 |
| Height | 1392 | 1430 |
| Wheelbase | 2968 | 2917 |
| Front/rear Track | 1600/1665 | 1615/1607 |
| Ground clearance | - | - |
| Engine specifications | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection, turbocharging |
| Displacement, cm3 | 4395 | 3993 |
| Compression ratio | 10 | 10.1 |
| Number and arrangement of cylinders | V8 | V8 |
| The diameter of the cylinder x stroke, mm | 89х88.3 | 84.5х89 |
| Number of valves | 32 | 32 |
| Power, hp/rpm | 450/5500-6000 | 450/5800-6400 |
| Max torque, Nm/RPM | 650/2000-4500 | 550/1400-5700 |
| Transmission specifications | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| Gearbox | 8-speed automatic | 7-speed automatic S-Tronic |
| Drive Type | Four-wheel drive | Four-wheel drive |
| Suspension specifications | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| Front | Upper and lower A-arm (double wishbone) | Upper and lower A-arm (double wishbone) |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 245/45 R18 | 255/40 R19 |
| Disk | 5x120 ET20 d72.6
| 5x112 ET35 d66.6
|
| Brakes specifications | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Ventilated discs | Ventilated discs |
| Fuel consumption specifications, L/100 km | BMW 6er 4.4 (650i Gran Coupe xDrive) × | Audi S6 4.0 TFSI × |
| City | 13 | 13.1 |
| Highway | 7 | 6.9 |
| Combined | 9.2 | 9.2 |
| Fuel | 95 | 95 |
| Tank, L | 70 | 75 |
| Clear list | BMW 6er | Audi S6 |
