Comparison BMW 7 Series (E23) 735i (217 Hp) Automatic & BMW 8 Series Gran Coupe (G16) 840i (340 Hp) xDrive Steptronic
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| Brand: | BMW | BMW |
| Model: | 7 Series | 8 Series |
| Generation: | 7 Series (E23) | 8 Series Gran Coupe (G16) |
| Engine / modification: | 735i (217 Hp) Automatic | 840i (340 Hp) xDrive Steptronic |
| Production start: | 1982 year | 2019 year |
| Production end: | 1983 year | 2020 year |
| Coupe type: | Sedan | Coupe |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 17.9 l/100 km | 9.5-9.8 l/100 km |
| Fuel consumption / economy - extra urban: | 6.3-6.7 l/100 km | |
| Fuel consumption / economy - combined: | 7.5-7.8 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 100 l | 68 l |
| Emission standard: | Euro 6d-Temp | |
| CO2 emissions: | 171-179 g/km | |
| Power: | 217 hp | 340 hp |
| Max power in: | 5500 rpm. | 5000-6500 rpm. |
| Maximum speed: | 206 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 9.8 sec | 4.9 sec |
| Torque: | 305 Nm @ 4000 rpm. | 500 Nm @ 1600-4500 rpm. |
| Model Engine: | M30B34 | B58B30 |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3430 cm3 | 2998 cm3 |
| Engine oil capacity: | 6.5 l | |
| Fuel System: | Multi-point injection | Direct injection |
| Aspiration / Turbine: | Twin-power turbo | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | SOHC | VALVETRONIC |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 10 | 11 |
| Piston Stroke: | 86 mm | 94.6 mm |
| Cylinder Bore: | 92 mm | 82 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 3 | 8 Steptronic |
| Length: | 4860 mm | 5082 mm |
| Width: | 1800 mm | 1932 mm |
| Width including mirrors: | 2137 mm | |
| Height: | 1430 mm | 1407 mm |
| Wheelbase: | 2795 mm | 3023 mm |
| Front track: | 1502 mm | 1627 mm |
| Rear (Back) track: | 1524 mm | 1671 mm |
| Ride height(clearance): | 132 mm | |
| Front overhang: | 953 mm | |
| Rear overhang: | 1106 mm | |
| Maximum amount of Luggage (trunk): | 440 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Double wishbone |
| Rear suspension: | Independent, spring | Multi-link independent |
| Max weight: | 2000 kg | 2480 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 1540 kg | 1855 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Max. roof load: | 75 kg | |
| Tire size: | 205/70 HR14; 220/55 HR390 TRX | 245/45 R18 100Y XL; 275/40 R18 103Y XL |
| Wheel rims size: | 6.5 J x 14; 165 TR 390 | 8J x 18; 9J x 18 |