Comparison BMW 7 Series (E65, facelift 2005) 730d (231 Hp) Steptronic & Subaru Impreza III Hatchback 2.5 WRX (224 Hp) Automatic
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| Brand: | BMW | Subaru |
| Model: | 7 Series | Impreza |
| Generation: | 7 Series (E65, facelift 2005) | Impreza III Hatchback |
| Engine / modification: | 730d (231 Hp) Steptronic | 2.5 WRX (224 Hp) Automatic |
| Production start: | 2005 year | 2007 year |
| Production end: | 2008 year | |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 10.9 l/100 km | 12.4 l/100 km |
| Fuel consumption / economy - extra urban: | 6.2 l/100 km | |
| Fuel consumption / economy - combined: | 7.9 l/100 km | 9.8 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 88 l | 60 l |
| Emission standard: | Euro 4 | EURO IV |
| Power: | 231 hp | 224 hp |
| Max power in: | 4000 rpm. | 5200 rpm. |
| Maximum speed: | 235 km/h | |
| Acceleration from 0 to 100 km/h: | 7.8 sec | 5.8 sec |
| Torque: | 520 Nm @ 2000-2750 rpm. | 306 Nm/2800 rpm. |
| Model Engine: | M57D30 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2993 cm3 | 2457 cm3 |
| Engine oil capacity: | 8.25 l | |
| Coolant: | 10 l | |
| Fuel System: | Diesel Commonrail | Multi-point injection |
| Aspiration / Turbine: | Turbocharger / Intercooler | Turbocharging |
| Position of cylinders: | Inline | Boxer |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 17 | |
| Piston Stroke: | 90 mm | 79 mm |
| Cylinder Bore: | 84 mm | 99.5 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 6 Steptronic | 4 |
| Length: | 5039 mm | 4415 mm |
| Width: | 1902 mm | 1740 mm |
| Height: | 1491 mm | 1475 mm |
| Wheelbase: | 2990 mm | 2620 mm |
| Front track: | 1578 mm | 1495 mm |
| Rear (Back) track: | 1596 mm | 1500 mm |
| Minimum volume of Luggage (trunk): | 500 l | |
| Maximum amount of Luggage (trunk): | 538 l | |
| Front suspension: | The depreciated rack | McPherson |
| Rear suspension: | Helical spring | Several levers and rods |
| Max weight: | 2480 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1900 kg | 1425 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 | 10.6 m |
| Tire size: | 245/55 R17 | 205/50R17 |
| Wheel rims size: | R17 |