Comparison BMW 7 Series (E66) 730Li (231 Hp) Steptronic & BMW 2 Series Convertible (F23 LCI, facelift 2017) 230i (252 Hp) Steptronic
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| Brand: | BMW | BMW |
| Model: | 7 Series | 2 Series |
| Generation: | 7 Series (E66) | 2 Series Convertible (F23 LCI, facelift 2017) |
| Engine / modification: | 730Li (231 Hp) Steptronic | 230i (252 Hp) Steptronic |
| Production start: | 2004 year | 2017 year |
| Production end: | 2005 year | |
| Coupe type: | Sedan | Cabriolet |
| Num. of Doors: | 4 | 2 |
| Num. of seats: | 5 | 4 |
| Fuel consumption / economy - urban: | 15.7 l/100 km | 7.5-7.7 l/100 km |
| Fuel consumption / economy - extra urban: | 8 l/100 km | 5.2-5.4 l/100 km |
| Fuel consumption / economy - combined: | 10.8 l/100 km | 6.0-6.2 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.28 | 0.33 |
| Fuel tank volume: | 88 l | 52 l |
| Emission standard: | EURO III | Euro 6 |
| CO2 emissions: | 138-143 g/km | |
| Power: | 231 hp | 252 hp |
| Max power in: | 5900 rpm. | 5200 rpm. |
| Maximum speed: | 237 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 8.3 sec | 5.9 sec |
| Torque: | 300 Nm @ 3500 rpm. | 350 Nm @ 1450-4800 rpm. |
| Model Engine: | B48B20 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2979 cm3 | 1998 cm3 |
| Engine oil capacity: | 5.25 l | |
| Fuel System: | Multi-point injection | Direct injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.2 | 10.2 |
| Piston Stroke: | 89.6 mm | 94.6 mm |
| Cylinder Bore: | 84 mm | 82 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 6 Steptronic | 8 Steptronic |
| Length: | 5169 mm | 4432 mm |
| Width: | 1902 mm | 1774 mm |
| Width including mirrors: | 1984 mm | |
| Height: | 1492 mm | 1413 mm |
| Wheelbase: | 3130 mm | 2690 mm |
| Front track: | 1578 mm | 1521 mm |
| Rear (Back) track: | 1582 mm | 1556 mm |
| Ride height(clearance): | 140 mm | |
| Front overhang: | 780 mm | |
| Rear overhang: | 962 mm | |
| Minimum volume of Luggage (trunk): | 500 l | 280 l |
| Maximum amount of Luggage (trunk): | 335 l | |
| Front suspension: | The depreciated rack | Double wishbone |
| Rear suspension: | Helical spring | Multi-link independent |
| Max weight: | 2440 kg | 2020 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1745 kg | 1575 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 12.6 m | 10.9 m |
| Permitted trailer load with brakes (12%): | 1500 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 75 kg | |
| Tire size: | 245/55 R17 | 205/55 R16; 205/50 R17; 225/45 R17; 245/40 R17; 225/40 R18; 245/35 R18 |
| Wheel rims size: | R17 | 7J x 16; 7J x 17; 7.5J x 17; 8J x 17; 7.5J x 18; 8J x 18 |