Comparison Audi A7 Sportback (C7) 2.8 FSI V6 (204 Hp) quattro S tronic & Mercedes-Benz R-class (W251) Long R 320 CDI V6 (224 Hp) 4MATIC G-TRONIC
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| Brand: | Audi | Mercedes-Benz |
| Model: | A7 | R-class |
| Generation: | A7 Sportback (C7) | R-class (W251) Long |
| Engine / modification: | 2.8 FSI V6 (204 Hp) quattro S tronic | R 320 CDI V6 (224 Hp) 4MATIC G-TRONIC |
| Production start: | 2010 year | 2007 year |
| Production end: | 2014 year | 2009 year |
| Coupe type: | Hatchback | Combi |
| Num. of Doors: | 5 | 5 |
| Num. of seats: | 5 | 5-7 |
| Fuel consumption / economy - urban: | 10.7 l/100 km | |
| Fuel consumption / economy - extra urban: | 6.5 l/100 km | |
| Fuel consumption / economy - combined: | 8.0 l/100 km | 9.3 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 75 l | 80 l |
| Emission standard: | Euro 5 | EURO V |
| CO2 emissions: | 187 g/km | 246 g/km |
| Power: | 204 hp | 224 hp |
| Max power in: | 5250-6500 rpm. | |
| Maximum speed: | 235 km/h | 222 km/h |
| Acceleration from 0 to 100 km/h: | 8.3 sec | 8.8 sec |
| Torque: | 280 Nm @ 3000-5000 rpm. | 510 Nm |
| Model Engine: | CHVA, CNYA | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2773 cm3 | 2987 cm3 |
| Engine oil capacity: | 6.8 l | |
| Coolant: | 12 l | |
| Fuel System: | Direct injection | Diesel Commonrail |
| Maximum engine speed: | 4500 . rpm. | |
| Aspiration / Turbine: | Turbocharger / Intercooler | |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 12 | 16.5 |
| Piston Stroke: | 82.4 mm | 92 mm |
| Cylinder Bore: | 84.5 mm | 83 mm |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 7 S tronic | 7G-TRONIC |
| Length: | 4969 mm | 5157 mm |
| Width: | 1911 mm | 1922 mm |
| Height: | 1420 mm | 1659 mm |
| Wheelbase: | 2914 mm | 3215 mm |
| Front track: | 1644 mm | |
| Rear (Back) track: | 1635 mm | |
| Minimum volume of Luggage (trunk): | 535 l | |
| Maximum amount of Luggage (trunk): | 1390 l | 2385 l |
| Front suspension: | Multi-link suspension | Double wishbone |
| Rear suspension: | Independent on trapezoidal lever | Independent, spring multi-link with stabilizer |
| Max weight: | 2280 kg | 2895 kg |
| Front brakes: | Ventilated discs | Disc |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1730 kg | 2295 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Hydraulic Steering |
| Max. roof load: | 100 kg | 100 kg |
| Permitted trailer load with brakes (8%): | 2100 kg | |
| Minimum turning circle (turning diameter): | 11.9 m | |
| Permitted trailer load with brakes (12%): | 1900 kg | 2100 kg |
| Permitted trailer load without brakes: | 750 kg | 750 kg |
| Permitted towbar download: | 85 kg | |
| Tire size: | 255/45 R18 | 235/65 R17 |
| Wheel rims size: | 8.5J x 18 | 7.5J x 17 |