Comparison BMW 8 Series (G15) 840i (333 Hp) Steptronic & BMW 7 Series (E23) 732i (197 Hp) Automatic
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| Brand: | BMW | BMW |
| Model: | 8 Series | 7 Series |
| Generation: | 8 Series (G15) | 7 Series (E23) |
| Engine / modification: | 840i (333 Hp) Steptronic | 732i (197 Hp) Automatic |
| Production start: | 2020 year | 1979 year |
| Production end: | 1983 year | |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 4 | 5 |
| Fuel consumption / economy - urban: | 18.1 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 68 l | 100 l |
| Emission standard: | Euro 6d | |
| Power: | 333 hp | 197 hp |
| Max power in: | 5500-6250 rpm. | 5500 rpm. |
| Maximum speed: | 250 km/h | 198 km/h |
| Acceleration from 0 to 100 km/h: | 5.2 sec | 10.8 sec |
| Torque: | 500 Nm @ 1700-4000 rpm. | 280 Nm @ 4300 rpm. |
| Model Engine: | M30B32 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2998 cm3 | 3210 cm3 |
| Engine oil capacity: | 6.5 l | |
| Fuel System: | Direct injection | Multi-point injection |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | VALVETRONIC | SOHC |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 11 | 9.3 |
| Piston Stroke: | 94.6 mm | 86 mm |
| Cylinder Bore: | 82 mm | 89 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | 3 |
| Length: | 4843 mm | 4860 mm |
| Width: | 1902 mm | 1800 mm |
| Height: | 1341 mm | 1430 mm |
| Wheelbase: | 2822 mm | 2795 mm |
| Front track: | 1627 mm | 1502 mm |
| Rear (Back) track: | 1642 mm | 1524 mm |
| Ride height(clearance): | 121 mm | 132 mm |
| Minimum volume of Luggage (trunk): | 420 l | |
| Front suspension: | Double wishbone | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Multi-link independent | Independent, spring |
| Max weight: | 2225 kg | 2000 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1730 kg | 1545 kg |
| ABS: | yes | |
| Power steering: | Electric Steering | |
| Max. roof load: | 75 kg | |
| Minimum turning circle (turning diameter): | 11.6 m | |
| Tire size: | Front wheel tires: 245/45 R18 100Y XL | 205/70 HR14; 220/55 HR390 TRX |
| Wheel rims size: | Front wheel rims: 8J x 18 | 6.5 J x 14; 165 TR 390 |