Comparison BMW 7 Series (E65, facelift 2005) 730d (231 Hp) Steptronic & Smart Fortwo Coupe 0.7 i (50 Hp)
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| Brand: | BMW | Smart |
| Model: | 7 Series | Fortwo |
| Generation: | 7 Series (E65, facelift 2005) | Fortwo Coupe |
| Engine / modification: | 730d (231 Hp) Steptronic | 0.7 i (50 Hp) |
| Production start: | 2005 year | 1998 year |
| Production end: | 2008 year | 2006 year |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 3 |
| Num. of seats: | 5 | 2 |
| Fuel consumption / economy - urban: | 10.9 l/100 km | 6.0 l/100 km |
| Fuel consumption / economy - extra urban: | 6.2 l/100 km | 4.0 l/100 km |
| Fuel consumption / economy - combined: | 7.9 l/100 km | 4.7 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 88 l | 33 l |
| Emission standard: | Euro 4 | |
| Power: | 231 hp | 50 hp |
| Max power in: | 4000 rpm. | 5250 rpm. |
| Maximum speed: | 235 km/h | 135 km/h |
| Acceleration from 0 to 100 km/h: | 7.8 sec | 18.3 sec |
| Torque: | 520 Nm @ 2000-2750 rpm. | 80 Nm/1800 rpm. |
| Model Engine: | M57D30 | |
| Engine position: | Front, longitudinal | Rear, transverse |
| Engine displacement: | 2993 cm3 | 698 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 | Inline |
| Valvetrain: | DOHC | OHC |
| Number of cylinders: | 6 | 3 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 17 | 9 |
| Piston Stroke: | 90 mm | 67 mm |
| Cylinder Bore: | 84 mm | 66.5 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 6 Steptronic | 6 |
| Length: | 5039 mm | 2500 mm |
| Width: | 1902 mm | 1515 mm |
| Height: | 1491 mm | 1549 mm |
| Wheelbase: | 2990 mm | 1812 mm |
| Front track: | 1578 mm | |
| Rear (Back) track: | 1596 mm | |
| Minimum volume of Luggage (trunk): | 500 l | |
| Front suspension: | The depreciated rack | |
| Rear suspension: | Helical spring | |
| Max weight: | 2480 kg | 990 kg |
| Front brakes: | Ventilated discs | Disc |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1900 kg | 805 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 12.1 m | |
| Tire size: | 245/55 R17 | 145/65 R15; 175/55 R15 |
| Wheel rims size: | R17 |