Comparison Mercedes-Benz R-class (W251, facelift 2010) Short R 300 CDI V6 BlueEFFICIENCY (190 Hp) G-TRONIC & Audi RS 7 Sportback (C7) 4.0 TFSI V8 (560 Hp) quattro Tiptronic
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| Brand: | Mercedes-Benz | Audi |
| Model: | R-class | RS 7 |
| Generation: | R-class (W251, facelift 2010) Short | RS 7 Sportback (C7) |
| Engine / modification: | R 300 CDI V6 BlueEFFICIENCY (190 Hp) G-TRONIC | 4.0 TFSI V8 (560 Hp) quattro Tiptronic |
| Production start: | 2010 year | 2013 year |
| Production end: | 2014 year | 2017 year |
| Coupe type: | Combi | Hatchback |
| Num. of Doors: | 5 | 5 |
| Num. of seats: | 5-7 | 4 |
| Fuel consumption / economy - urban: | 9.6-9.9 l/100 km | 13.9 l/100 km |
| Fuel consumption / economy - extra urban: | 6.4-6.7 l/100 km | 7.5 l/100 km |
| Fuel consumption / economy - combined: | 7.6-7.8 l/100 km | 9.8 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.30 | |
| Fuel tank volume: | 80 l | 65 l |
| Emission standard: | EURO V | Euro 6 |
| CO2 emissions: | 199-206 g/km | 221-229 g/km |
| Power: | 190 hp | 560 hp |
| Max power in: | 3800 rpm. | 5700-6600 rpm. |
| Maximum speed: | 215 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 9.5 sec | 3.9 sec |
| Torque: | 440 Nm @ 1400-2800 rpm. | 700 Nm @ 1750-5500 rpm. |
| Model Engine: | CRDB, CWUB | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2987 cm3 | 3993 cm3 |
| Engine oil capacity: | 8.7 l | |
| Fuel System: | Diesel Commonrail | Direct injection |
| Aspiration / Turbine: | Turbocharger / Intercooler | BiTurbo |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 15.5 | 9.3 |
| Piston Stroke: | 89 mm | |
| Cylinder Bore: | 84.5 mm | |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 7G-TRONIC | 8 Tiptronic |
| Length: | 4922 mm | 5012 mm |
| Width: | 1922 mm | 1911 mm |
| Width including mirrors: | 2183 mm | 2139 mm |
| Height: | 1674 mm | 01419 mm |
| Wheelbase: | 2980 mm | 2915 mm |
| Front track: | 1661 mm | 01634 mm |
| Rear (Back) track: | 1651 mm | 01625 mm |
| Front overhang: | 922 mm | |
| Rear overhang: | 1020 mm | |
| Minimum volume of Luggage (trunk): | 550 l | 535 l |
| Maximum amount of Luggage (trunk): | 1950 l | 1390 l |
| Front suspension: | Double wishbone | Independent multi-link |
| Rear suspension: | Independent, spring multi-link with stabilizer | Independent on trapezoidal lever |
| Max weight: | 2840 kg | 2515 kg |
| Front brakes: | Disc | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 2110 kg | 1930 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Max. roof load: | 100 kg | |
| Minimum turning circle (turning diameter): | 11.9 m | |
| Permitted trailer load with brakes (12%): | 2100 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Tire size: | 235/65 R17 | 275/35 R20 |
| Wheel rims size: | R17 | 9J x 20 |