Comparison BMW 7 Series (E66, facelift 2005) 740Li (306 Hp) Steptronic & Audi A3 Sportback (8Y) 30 TDI (116 Hp) S tronic
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| Brand: | BMW | Audi |
| Model: | 7 Series | A3 |
| Generation: | 7 Series (E66, facelift 2005) | A3 Sportback (8Y) |
| Engine / modification: | 740Li (306 Hp) Steptronic | 30 TDI (116 Hp) S tronic |
| Production start: | 2005 year | 2020 year |
| Production end: | 2008 year | |
| Coupe type: | Sedan | Hatchback |
| Powertrain Architecture: | Internal Combustion engine | |
| 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 | |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.29 | 0.29 |
| Fuel tank volume: | 88 l | 45 l |
| AdBlue tank: | 13 l | |
| Combined fuel consumption (WLTP): | 4.6-5.0 l/100 km | |
| Emission standard: | EURO IV | Euro 6d-ISC-FCM |
| Power: | 306 hp | 116 hp |
| Max power in: | 6300 rpm. | 3250-4250 rpm. |
| Maximum speed: | 250 km/h | 206 km/h |
| Acceleration from 0 to 100 km/h: | 6.9 sec | 10.1 sec |
| CO2 emissions (WLTP): | 119-132 g/km | |
| Torque: | 390 Nm @ 3500 rpm. | 250 Nm @ 1500-3250 rpm. |
| Model Engine: | DSUD | |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 4000 cm3 | 1968 cm3 |
| Engine oil capacity: | 5.5 l | |
| Coolant: | 11.2 l | |
| Fuel System: | Multi-point injection | |
| Position of cylinders: | V engine | |
| Number of cylinders: | 8 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.5 | 16 |
| 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 | |
| Length: | 5179 mm | 4343 mm |
| Width: | 1902 mm | 1816 mm |
| Width including mirrors: | 1984 mm | |
| Height: | 1484 mm | 1449 mm |
| Wheelbase: | 3130 mm | 2636 mm |
| Front track: | 1578 mm | 1554 mm |
| Rear (Back) track: | 1596 mm | 1525 mm |
| Approach angle: | 14.1 ° | |
| Departure angle: | 23.9 ° | |
| Front overhang: | 905 mm | |
| Rear overhang: | 802 mm | |
| Minimum volume of Luggage (trunk): | 500 l | 380 l |
| Maximum amount of Luggage (trunk): | 1200 l | |
| Front suspension: | The depreciated rack | |
| Rear suspension: | Helical spring | |
| Max weight: | 2515 kg | 1920 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1935 kg | 1375 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Max. roof load: | 75 kg | |
| Permitted trailer load with brakes (8%): | 1800 kg | |
| Minimum turning circle (turning diameter): | 12.6 m | 11.1 m |
| Permitted trailer load with brakes (12%): | 1500 kg | |
| Permitted trailer load without brakes: | 720 kg | |
| Permitted towbar download: | 80 kg | |
| Tire size: | 245/55 R17 | 205/55 R16 |
| Wheel rims size: | R17 | 7J x 16 |