Comparison Opel Commodore B 2.8 GS/E (155 Hp) & Opel Commodore B 2.8 GS/E (160 Hp) & BMW 7 Series (F01) 750i (408 Hp) Steptronic & BMW 7 Series (E32) 735i (220 Hp)
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| Brand: | Opel | Opel | BMW | BMW |
| Model: | Commodore | Commodore | 7 Series | 7 Series |
| Generation: | Commodore B | Commodore B | 7 Series (F01) | 7 Series (E32) |
| Engine / modification: | 2.8 GS/E (155 Hp) | 2.8 GS/E (160 Hp) | 750i (408 Hp) Steptronic | 735i (220 Hp) |
| Production start: | 1975 year | 1973 year | 2008 year | 1986 year |
| Production end: | 1978 year | 1975 year | 2011 year | 1992 year |
| Coupe type: | Sedan | Sedan | Sedan | Sedan |
| Num. of Doors: | 4 | 4 | 4 | 4 |
| Num. of seats: | 4 | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 16.4 l/100 km | 15.9 l/100 km | ||
| Fuel consumption / economy - extra urban: | 8.5 l/100 km | 7.7 l/100 km | ||
| Fuel consumption / economy - combined: | 11.4 l/100 km | 11.1 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.46 | 0.46 | 0.32 | |
| Fuel tank volume: | 70 l | 70 l | 82 l | 90 l |
| Emission standard: | Euro 5 | |||
| Power: | 155 hp | 160 hp | 408 hp | 220 hp |
| Max power in: | 5600 rpm. | 5400 rpm. | 6400 rpm. | 5700 rpm. |
| Maximum speed: | 195 km/h | 195 km/h | 250 km/h | 233 km/h |
| Acceleration from 0 to 100 km/h: | 9.5 sec | 9.3 sec | 5.2 sec | 7.9 sec |
| Torque: | 217 Nm/4200 rpm. | 229 Nm/4200 rpm. | 600 Nm @ 4500 rpm. | 315 Nm @ 4000 rpm. |
| Model Engine: | N63B44 | M30B35 | ||
| Engine position: | Front, longitudinal | Front, longitudinal | ||
| Engine displacement: | 2784 cm3 | 2784 cm3 | 4395 cm3 | 3430 cm3 |
| Engine oil capacity: | 8.5 l | 5.75 l | ||
| Coolant: | 13.5 l | 12.0 l | ||
| Fuel System: | Multi-point injection | Multi-point injection | Direct injection | Multi-point injection |
| Aspiration / Turbine: | Turbocharger | |||
| Position of cylinders: | Inline | Inline | V engine | Inline |
| Valvetrain: | SOHC | SOHC | DOHC | |
| Number of cylinders: | 6 | 6 | 8 | 6 |
| Number of valves per cylinder: | 2 | 2 | 4 | 2 |
| Compression ratio: | 9 | 9.5 | 10 | 9.2 |
| Piston Stroke: | 69.8 mm | 69.8 mm | 88.3 mm | 86 mm |
| Cylinder Bore: | 92 mm | 92 mm | 89 mm | 92 mm |
| Wheel Drive: | Rear wheel drive | |||
| Number of Gears (automatic transmission): | 6 | |||
| Number of Gears (manual transmission): | 4 | 4 | 5 | |
| Length: | 4607 mm | 4607 mm | 5072 mm | 4910 mm |
| Width: | 1728 mm | 1728 mm | 1902 mm | 1845 mm |
| Height: | 1415 mm | 1405 mm | 1479 mm | 1411 mm |
| Wheelbase: | 2668 mm | 2668 mm | 3070 mm | 2832 mm |
| Front track: | 1450 mm | 1450 mm | 1611 mm | 1527 mm |
| Rear (Back) track: | 1400 mm | 1400 mm | 1650 mm | 1550 mm |
| Ride height(clearance): | 140 mm | 140 mm | ||
| Minimum volume of Luggage (trunk): | 408 l | 408 l | 500 l | 500 l |
| Front suspension: | Double wishbone | Coil spring | ||
| Rear suspension: | Independent, spring multi-link with stabilizer | Helical spring | ||
| Max weight: | 1720 kg | 1705 kg | 2575 kg | 2150 kg |
| Front brakes: | Disc | Disc | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Drum | Ventilated discs | Disc |
| Kerb Weight: | 1265 kg | 1265 kg | 1945 kg | 1600 kg |
| ABS: | yes | yes | ||
| Steering type: | Steering rack and pinion | Steering rack and pinion | ||
| Power steering: | Hydraulic Steering | Hydraulic Steering | ||
| Minimum turning circle (turning diameter): | 11.2 m | 11.2 m | 12.2 m | 11.6 m |
| Tire size: | 245/50 R18 100Y RSC | 225/60 R15 | ||
| Wheel rims size: | 8J x 18EH2+IS30 | R15 |