Comparison BMW 7 Series (E66) 730Li (231 Hp) Steptronic & Audi A3 (8P) 2.0 TDI (140 Hp) DSG
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| Brand: | BMW | Audi |
| Model: | 7 Series | A3 |
| Generation: | 7 Series (E66) | A3 (8P) |
| Engine / modification: | 730Li (231 Hp) Steptronic | 2.0 TDI (140 Hp) DSG |
| Production start: | 2004 year | 2003 year |
| Production end: | 2005 year | 2005 year |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 3 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 15.7 l/100 km | 7.3 l/100 km |
| Fuel consumption / economy - extra urban: | 8 l/100 km | 4.8 l/100 km |
| Fuel consumption / economy - combined: | 10.8 l/100 km | 5.7 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.28 | 0.32 |
| Fuel tank volume: | 88 l | 55 l |
| Emission standard: | EURO III | Euro 4 |
| Power: | 231 hp | 140 hp |
| Max power in: | 5900 rpm. | 4000 rpm. |
| Maximum speed: | 237 km/h | 207 km/h |
| Acceleration from 0 to 100 km/h: | 8.3 sec | 9.4 sec |
| Torque: | 300 Nm @ 3500 rpm. | 320 Nm @ 1750-2500 rpm. |
| Model Engine: | BKD | |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 2979 cm3 | 1968 cm3 |
| Engine oil capacity: | 3.8 l | |
| Fuel System: | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.2 | 18 |
| Piston Stroke: | 89.6 mm | 95.5 mm |
| Cylinder Bore: | 84 mm | 81 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 6 Steptronic | 6 DSG |
| Length: | 5169 mm | 4203 mm |
| Width: | 1902 mm | 1765 mm |
| Height: | 1492 mm | 1421 mm |
| Wheelbase: | 3130 mm | 2578 mm |
| Front track: | 1578 mm | 1536 mm |
| Rear (Back) track: | 1582 mm | 1517 mm |
| Minimum volume of Luggage (trunk): | 500 l | 350 l |
| Maximum amount of Luggage (trunk): | 1100 l | |
| Front suspension: | The depreciated rack | The depreciated rack |
| Rear suspension: | Helical spring | Helical spring |
| Max weight: | 2440 kg | 1930 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1745 kg | 1370 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Hydraulic Steering |
| Minimum turning circle (turning diameter): | 12.6 m | 10.7 m |
| Tire size: | 245/55 R17 | 205/55 R16 |
| Wheel rims size: | R17 | 6.5J x 16 |