Comparison BMW 7 Series (G70) 740i (380 Hp) MHEV Steptronic & BMW 6 Series (E24, facelift 1987) 635 CSi (220 Hp) Automatic
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| Brand: | BMW | BMW |
| Model: | 7 Series | 6 Series |
| Generation: | 7 Series (G70) | 6 Series (E24, facelift 1987) |
| Engine / modification: | 740i (380 Hp) MHEV Steptronic | 635 CSi (220 Hp) Automatic |
| Production start: | 2022 year | 1987 year |
| Production end: | 1989 year | |
| Coupe type: | Sedan | Coupe |
| Powertrain Architecture: | MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV) | |
| Num. of Doors: | 4 | 2 |
| Num. of seats: | 5 | 4 |
| Fuel consumption / economy - urban: | 16.9 l/100 km | |
| Fuel consumption / economy - extra urban: | 7.8 l/100 km | |
| Fuel consumption / economy - combined: | 11.5 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.26 | 0.41 |
| Fuel tank volume: | 74 l | 70 l |
| Combined fuel consumption (WLTP): | 7-8 l/100 km | |
| Emission standard: | Euro 6d | |
| Power: | 380 hp | 220 hp |
| Max power in: | 5200-6250 rpm. | 5700 rpm. |
| Maximum speed: | 250 km/h | 225 km/h |
| Acceleration from 0 to 100 km/h: | 5.4 sec | 8.4 sec |
| CO2 emissions (WLTP): | 159-183 g/km | |
| Torque: | 520 Nm @ 1850-5000 rpm. | 315 Nm @ 4000 rpm. |
| Model Engine: | M30 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2998 cm3 | 3430 cm3 |
| Engine oil capacity: | 5.8 l | |
| Coolant: | 12 l | |
| Fuel System: | Direct injection | Multi-point injection |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | VALVETRONIC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 11 | 9.2 |
| Piston Stroke: | 94.6 mm | 86 mm |
| Cylinder Bore: | 82 mm | 92 mm |
| Electric motor power: | 18 | |
| Electric motor Torque: | 200 Nm | |
| Battery voltage: | 48 V | |
| System power: | 380 Hp hp/ rpm. | |
| System torque: | 540 Nm Nm/ rpm. | |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 8 Steptronic | 4 |
| Length: | 5391 mm | 4815 mm |
| Width: | 1950 mm | 1725 mm |
| Height: | 1544 mm | 1365 mm |
| Wheelbase: | 3215 mm | 2625 mm |
| Front track: | 1713 mm | 1435 mm |
| Rear (Back) track: | 1736 mm | 1465 mm |
| Minimum volume of Luggage (trunk): | 540 l | 413 l |
| Front suspension: | Independent, Spring McPherson, with stabilizer | |
| Rear suspension: | Independent, spring | |
| Max weight: | 2785 kg | 1880 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 2090-2165 kg | 1480 kg |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 12.9 m | 11.7 m |
| Permitted trailer load with brakes (12%): | 2100 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 85 kg | |
| Tire size: | 245/50 R19 | 220/55 VR 390 |
| Wheel rims size: | 8.5J x 19 |