Comparison BMW 7 Series (E65, facelift 2005) 740i (306 Hp) Steptronic & Audi A3 Sportback (8PA, facelift 2008) 2.0 TDI (170 Hp) DPF S tronic
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| Brand: | BMW | Audi |
| Model: | 7 Series | A3 |
| Generation: | 7 Series (E65, facelift 2005) | A3 Sportback (8PA, facelift 2008) |
| Engine / modification: | 740i (306 Hp) Steptronic | 2.0 TDI (170 Hp) DPF S tronic |
| Production start: | 2005 year | 2009 year |
| Production end: | 2008 year | 2012 year |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 16.3 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.2 l/100 km | |
| Fuel consumption / economy - combined: | 11.2 l/100 km | 5.7 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.29 | 0.31 |
| Fuel tank volume: | 88 l | 60 l |
| Emission standard: | Euro 4 | Euro 5 |
| Power: | 306 hp | 170 hp |
| Max power in: | 6300 rpm. | 4200 rpm. |
| Maximum speed: | 250 km/h | 224 km/h |
| Acceleration from 0 to 100 km/h: | 6.8 sec | 7.7 sec |
| Torque: | 390 Nm @ 3500 rpm. | 350 Nm @ 1750-2500 rpm. |
| Model Engine: | N62B40 | CBBB, CFGB |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 4000 cm3 | 1968 cm3 |
| Engine oil capacity: | 8 l | 4 l |
| Fuel System: | Multi-point injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | |
| Position of cylinders: | V engine | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 8 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.5 | 16.5 |
| Piston Stroke: | 84.1 mm | 95.5 mm |
| Cylinder Bore: | 87 mm | 81 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 6 Steptronic | 6 S-Tronic |
| Length: | 5039 mm | 4292 mm |
| Width: | 1902 mm | 1765 mm |
| Height: | 1491 mm | 1423 mm |
| Wheelbase: | 2990 mm | 2578 mm |
| Front track: | 1578 mm | 1534 mm |
| Rear (Back) track: | 1596 mm | 1507 mm |
| Minimum volume of Luggage (trunk): | 500 l | 552 l |
| Maximum amount of Luggage (trunk): | 1104 l | |
| Front suspension: | The depreciated rack | The depreciated rack |
| Rear suspension: | Helical spring | Transverse stabilizer |
| Max weight: | 2475 kg | 1955 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1895 kg | 1395 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 12.1 m | 10.7 m |
| Tire size: | 245/55 R17 | 225/45 R17 |
| Wheel rims size: | R17 | 7.5J x 17 |