Comparison BMW 7 Series (G12) 740Li (326 Hp) xDrive Steptronic & Opel Commodore C 2.5 S (115 Hp) Automatic & BMW 7 Series (E23) 728i (184 Hp)
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| Brand: | BMW | Opel | BMW |
| Model: | 7 Series | Commodore | 7 Series |
| Generation: | 7 Series (G12) | Commodore C | 7 Series (E23) |
| Engine / modification: | 740Li (326 Hp) xDrive Steptronic | 2.5 S (115 Hp) Automatic | 728i (184 Hp) |
| Production start: | 2016 year | 1978 year | 1979 year |
| Production end: | 2019 year | 1982 year | 1983 year |
| Coupe type: | Sedan | Sedan | Sedan |
| Num. of Doors: | 4 | 2/4 | 4 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 9.6-10.3 l/100 km | 15.1 l/100 km | |
| Fuel consumption / economy - extra urban: | 5.5-5.8 l/100 km | ||
| Fuel consumption / economy - combined: | 7.0-7.5 l/100 km | 11.9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.25 | 0.45 | |
| Fuel tank volume: | 78 l | 70 l | 100 l |
| Emission standard: | EURO VI | ||
| CO2 emissions: | 164-174 g/km | ||
| Power: | 326 hp | 115 hp | 184 hp |
| Max power in: | 5500-6500 rpm. | 5200 rpm. | 5800 rpm. |
| Maximum speed: | 250 km/h | 175 km/h | 195 km/h |
| Acceleration from 0 to 100 km/h: | 5.2 sec | 13 sec | 9.5 sec |
| Torque: | 450 Nm @ 1380-5000 rpm. | 185 Nm/4600 rpm. | 235 Nm @ 4300 rpm. |
| Model Engine: | M30B28 | ||
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2998 cm3 | 2490 cm3 | 2788 cm3 |
| Engine oil capacity: | 6.5 l | 5.5 l | 5.8 l |
| Coolant: | 10.1 l | ||
| Fuel System: | Direct injection | Carburettor | Multi-point injection |
| Aspiration / Turbine: | Twin-power turbo | ||
| Position of cylinders: | Inline | Inline | Inline |
| Valvetrain: | SOHC | SOHC | |
| Number of cylinders: | 6 | 6 | 6 |
| Number of valves per cylinder: | 4 | 2 | 2 |
| Compression ratio: | 11 | 9.2 | 9.3 |
| Piston Stroke: | 94.6 mm | 69.8 mm | 80 mm |
| Cylinder Bore: | 82 mm | 87 mm | 86 mm |
| Wheel Drive: | All wheel drive (4x4) | Rear wheel drive | |
| Number of Gears (automatic transmission): | 8 Steptronic | 3 | |
| Number of Gears (manual transmission): | 4 | ||
| Length: | 5238 mm | 4705 mm | 4860 mm |
| Width: | 1902 mm | 1730 mm | 1800 mm |
| Height: | 1485 mm | 1410 mm | 1430 mm |
| Wheelbase: | 3210 mm | 2668 mm | 2795 mm |
| Front track: | 1618 mm | 1443 mm | 1502 mm |
| Rear (Back) track: | 1646 mm | 1424 mm | 1524 mm |
| Ride height(clearance): | 135 mm | 140 mm | 132 mm |
| Front overhang: | 880 mm | ||
| Rear overhang: | 1148 mm | ||
| Minimum volume of Luggage (trunk): | 515 l | 630 l | |
| Front suspension: | Double wishbone | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Multi-link independent | Independent, spring | |
| Max weight: | 2500 kg | 1740 kg | 1960 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Drum | Disc |
| Kerb Weight: | 1825 kg | 1220 kg | 1490 kg |
| ABS: | yes | ||
| Steering type: | Steering rack and pinion | ||
| Power steering: | Electric Steering | ||
| Max. roof load: | 100 kg | ||
| Minimum turning circle (turning diameter): | 12.9 m | 11.5 m | |
| Permitted trailer load with brakes (12%): | 2300 kg | 1600 kg | |
| Permitted trailer load without brakes: | 750 kg | 630 kg | |
| Permitted towbar download: | 100 kg | ||
| Tire size: | 225/60 R17 99Y; 245/45 R19; 275/40 R19; 245/40 R20; 275/35 R20; 245/35 R21; 275/30 R21 | 175/80 R14 | 195/70 R14 |
| Wheel rims size: | 7.5J x 17; 8.5J x 19; 9.5J x 19; 8.5J x 20; 10J x 20; 8.5J x 21; 10J x 21 | 6J x 14 | 6.0J x 14; |