Comparison Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC & BMW 7 Series (G11 LCI, facelift 2019) 730d (286 Hp) xDrive MHEV Steptronic & Audi A6 Allroad quattro (4F,C6 facelift 2008) 3.0 TDI V6 (240 Hp) quattro DPF
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| Brand: | Mercedes-Benz | BMW | Audi |
| Model: | S-class | 7 Series | A6 |
| Generation: | S-class (W221, facelift 2009) | 7 Series (G11 LCI, facelift 2019) | A6 Allroad quattro (4F,C6 facelift 2008) |
| Engine / modification: | S 450 CDI V8 (320 Hp) G-TRONIC | 730d (286 Hp) xDrive MHEV Steptronic | 3.0 TDI V6 (240 Hp) quattro DPF |
| Production start: | 2009 year | 2020 year | 2008 year |
| Production end: | 2010 year | 2011 year | |
| Coupe type: | Sedan | Sedan | Combi |
| Num. of Doors: | 4 | 4 | 5 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 13-13.2 l/100 km | 6.3-6.5 l/100 km | 9.4 l/100 km |
| Fuel consumption / economy - extra urban: | 6.9-7.1 l/100 km | 4.3-4.5 l/100 km | 5.9 l/100 km |
| Fuel consumption / economy - combined: | 9.1-9.3 l/100 km | 5.0-5.2 l/100 km | 7.2 l/100 km |
| Fuel Type: | Diesel | Diesel | Diesel |
| Drag coefficient: | 0.24 | 0.33 | |
| Fuel tank volume: | 90 l | 78 l | 80 l |
| Emission standard: | EURO 6d | Euro 5 | |
| CO2 emissions: | 240-245 g/km | 133-138 g/km | 189 g/km |
| Power: | 320 hp | 286 hp | 240 hp |
| Max power in: | 3600 rpm. | 4000 rpm. | 4000-4400 rpm. |
| Maximum speed: | 250 km/h | 250 km/h | 233 km/h |
| Acceleration from 0 to 100 km/h: | 6.6 sec | 5.6 sec | 7.2 sec |
| Torque: | 730 Nm @ 2200 rpm. | 650 Nm @ 1500-2500 rpm. | 450 Nm @ 1750-2250 rpm. |
| Model Engine: | OM 629.911 | CDYA, CDYC | |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3996 cm3 | 2993 cm3 | 2967 cm3 |
| Engine oil capacity: | 10.5 l | 7.0 l | 8.2 l |
| Coolant: | 9.7 l | ||
| Fuel System: | Diesel Commonrail | Diesel Commonrail | Diesel Commonrail |
| Aspiration / Turbine: | Turbocharger / Intercooler | Twin-power turbo | Turbo / Intercooler (Turbocharging / Intercooler) |
| Position of cylinders: | V engine | Inline | V engine |
| Valvetrain: | DOHC | ||
| Number of cylinders: | 8 | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 | |
| Compression ratio: | 17 | 16.5 | 16.8 |
| Piston Stroke: | 90 mm | 91.4 mm | |
| Cylinder Bore: | 84 mm | 83 mm | |
| Electric motor power: | 11 | ||
| Battery capacity: | 0.528 kWh | ||
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 7G-TRONIC | 8 Steptronic | |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 5096 mm | 5120 mm | 4934 mm |
| Width: | 1871 mm | 1902 mm | 1862 mm |
| Width including mirrors: | 2120 mm | ||
| Height: | 1479 mm | 1467 mm | 1521 mm |
| Wheelbase: | 3035 mm | 3070 mm | 2833 mm |
| Front track: | 1600 mm | 1617 mm | 1596 mm |
| Rear (Back) track: | 1606 mm | 1646 mm | 1587 mm |
| Ride height(clearance): | 135 mm | ||
| Front overhang: | 888 mm | ||
| Rear overhang: | 1173 mm | ||
| Minimum volume of Luggage (trunk): | 560 l | 515 l | 565 l |
| Maximum amount of Luggage (trunk): | 1660 l | ||
| Front suspension: | Multi-link suspension | ||
| Rear suspension: | Independent on trapezoidal lever | ||
| Max weight: | 2690 kg | 2600 kg | 2495 kg |
| Front brakes: | Disc | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs | Ventilated discs |
| Kerb Weight: | 2015 kg | 1935 kg | 1865 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | ||
| Max. roof load: | 100 kg | 100 kg | |
| Permitted trailer load with brakes (8%): | 2100 kg | ||
| Minimum turning circle (turning diameter): | 11.8 m | 12.6 m | 11.9 m |
| Permitted trailer load with brakes (12%): | 2100 kg | 1800 kg | |
| Permitted trailer load without brakes: | 750 kg | 750 kg | |
| Permitted towbar download: | 100 kg | 85 kg | |
| Tire size: | 255/45 R18 | 225/60 R17 99Y | 225/55 R17 |
| Wheel rims size: | R18 | 7.5J x 17 | 7.5J x 17 |