Comparison BMW 7 Series (E66, facelift 2005) 730Ld (231 Hp) Steptronic & Audi A7 Sportback (C7) 3.0 TDI V6 (204 Hp) quattro S tronic
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| Brand: | BMW | Audi |
| Model: | 7 Series | A7 |
| Generation: | 7 Series (E66, facelift 2005) | A7 Sportback (C7) |
| Engine / modification: | 730Ld (231 Hp) Steptronic | 3.0 TDI V6 (204 Hp) quattro S tronic |
| Production start: | 2005 year | 2010 year |
| Production end: | 2008 year | 2014 year |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 11.0 l/100 km | 6.8 l/100 km |
| Fuel consumption / economy - extra urban: | 6.3 l/100 km | 5.1 l/100 km |
| Fuel consumption / economy - combined: | 8.0 l/100 km | 5.8 l/100 km |
| Fuel Type: | Diesel | Diesel |
| Drag coefficient: | 0.29 | 0.29 |
| Fuel tank volume: | 88 l | 65 (optiona 75) l |
| Emission standard: | EURO IV | Euro 5 |
| CO2 emissions: | 152 g/km | |
| Power: | 231 hp | 204 hp |
| Max power in: | 4000 rpm. | 3250-4500 rpm. |
| Maximum speed: | 235 km/h | 235 km/h |
| Acceleration from 0 to 100 km/h: | 7.9 sec | 7.2 sec |
| Torque: | 520 Nm @ 2000-2750 rpm. | 450 Nm @ 1250-3000 rpm. |
| Model Engine: | CLAA, CLAB | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2993 cm3 | 2967 cm3 |
| Engine oil capacity: | 6.4 l | |
| Fuel System: | Diesel Commonrail | Diesel Commonrail |
| Aspiration / Turbine: | Turbocharger / Intercooler | Turbo / Intercooler (Turbocharging / Intercooler) |
| Position of cylinders: | Inline | V engine |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 17 | 16.8 |
| Piston Stroke: | 90 mm | 91.4 mm |
| Cylinder Bore: | 84 mm | 83 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 6 Steptronic | 7 S tronic |
| Length: | 5179 mm | 4969 mm |
| Width: | 1902 mm | 1911 mm |
| Height: | 1484 mm | 1420 mm |
| Wheelbase: | 3130 mm | 2914 mm |
| Front track: | 1578 mm | 1644 mm |
| Rear (Back) track: | 1596 mm | 1635 mm |
| Minimum volume of Luggage (trunk): | 500 l | 535 l |
| Maximum amount of Luggage (trunk): | 1390 l | |
| Front suspension: | The depreciated rack | Multi-link suspension |
| Rear suspension: | Helical spring | Independent on trapezoidal lever |
| Max weight: | 2520 kg | 2395 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1940 kg | 1785 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Max. roof load: | 100 kg | |
| Permitted trailer load with brakes (8%): | 1900 kg | |
| Minimum turning circle (turning diameter): | 12.6 m | 11.9 m |
| Permitted trailer load with brakes (12%): | 1800 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 85 kg | |
| Tire size: | 245/55 R17 | 235/55 R17 |
| Wheel rims size: | R17 | 8.0J x 17 |