Comparison Alpina XB7 (facelift 2022) 4.4 V8 (621 Hp) MHEV AWD Switch-Tronic & Audi RS 6 Avant (C8) 4.0 TFSI V8 (600 Hp) MHEV quattro Tiptronic COD
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| Brand: | Alpina | Audi |
| Model: | XB7 | RS 6 |
| Generation: | XB7 (facelift 2022) | RS 6 Avant (C8) |
| Engine / modification: | 4.4 V8 (621 Hp) MHEV AWD Switch-Tronic | 4.0 TFSI V8 (600 Hp) MHEV quattro Tiptronic COD |
| Production start: | 2022 year | 2019 year |
| Coupe type: | SUV | |
| Powertrain Architecture: | MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV) | |
| Num. of Doors: | 5 | 5 |
| Num. of seats: | 6 | 5 |
| Fuel consumption / economy - urban: | 16.2 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.9 l/100 km | |
| Fuel consumption / economy - combined: | 11.5-11.7 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 83 l | 73 l |
| Combined fuel consumption (WLTP): | 13.7 l/100 km | |
| Emission standard: | Euro 6d ISC-FCM | Euro 6d-TEMP-EVAP-ISC |
| CO2 emissions: | 263-268 g/km | |
| Power: | 621 hp | 600 hp |
| Max power in: | 5500-6500 rpm. | 6000-6250 rpm. |
| Maximum speed: | 290 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 4.2 sec | 3.6 sec |
| Acceleration from 0 to 200 km/h: | 12 sec | |
| CO2 emissions (WLTP): | 311 g/km | |
| Torque: | 800 Nm @ 2000-5400 rpm. | 800 Nm @ 2050-4500 rpm. |
| Model Engine: | N63M51 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 4395 cm3 | 3996 cm3 |
| Engine oil capacity: | 10.5 l | 11.0 l |
| Coolant: | 12.1 l | |
| Fuel System: | Direct injection | Direct injection |
| Aspiration / Turbine: | BiTurbo | Twin-Turbo |
| Position of cylinders: | V engine | V engine |
| Number of cylinders: | 8 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.5 | 10 |
| Piston Stroke: | 88.3 mm | 86 mm |
| Cylinder Bore: | 89 mm | 86 mm |
| Electric motor power: | 16 | |
| Battery voltage: | 48 V | |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Switch-Tronic | 8 Tiptronic |
| Length: | 5178 mm | 4939 mm |
| Width: | 1989 mm | 1886 mm |
| Width including mirrors: | 2218 mm | 2110 mm |
| Height: | 1797 mm | 1467 mm |
| Wheelbase: | 3105 mm | 2924 mm |
| Front track: | 1682 mm | 1668 mm |
| Rear (Back) track: | 1703 mm | 1650 mm |
| Front overhang: | 920 mm | |
| Rear overhang: | 1095 mm | |
| Minimum volume of Luggage (trunk): | 750 l | 565 l |
| Maximum amount of Luggage (trunk): | 2120 l | 1680 l |
| Front suspension: | Independent multi-link | |
| Rear suspension: | Multi-link independent | |
| Max weight: | 3355 kg | 2740 kg |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 2730 kg | 2075 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering |
| Max. roof load: | 100 kg | |
| Permitted trailer load with brakes (12%): | 3500 kg | 2100 kg |
| Permitted trailer load without brakes: | 750 kg | 750 kg |
| Permitted towbar download: | 95 kg | |
| Tire size: | 285/45 R21 | 275/35 ZR21 103Y XL |
| Wheel rims size: | 9.5J x 21 | 10.5J x 21 |