Comparison BMW 5 Series (E12, Facelift 1976) 520i (125 Hp) & BMW 7 Series (G70) 735i (286 Hp) MHEV Steptronic
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| Brand: | BMW | BMW |
| Model: | 5 Series | 7 Series |
| Generation: | 5 Series (E12, Facelift 1976) | 7 Series (G70) |
| Engine / modification: | 520i (125 Hp) | 735i (286 Hp) MHEV Steptronic |
| Production start: | 1976 year | 2022 year |
| Production end: | 1979 year | |
| Coupe type: | Sedan | Sedan |
| Powertrain Architecture: | MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV) | |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - combined: | 9.5 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.26 | |
| Fuel tank volume: | 70 l | 74 l |
| Combined fuel consumption (WLTP): | 7.9 l/100 km | |
| Emission standard: | Euro 6d | |
| Power: | 125 hp | 272 hp |
| Max power in: | 5800 rpm. | 5000-6500 rpm. |
| Maximum speed: | 181 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 11.3 sec | 6.7 sec |
| CO2 emissions (WLTP): | 182 g/km | |
| Torque: | 170 Nm @ 4000 rpm. | 400 Nm @ 1750-4500 rpm. |
| Model Engine: | M10 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 1990 cm3 | 2998 cm3 |
| Engine oil capacity: | 4.0 l | |
| Fuel System: | Multi-point injection | Direct injection |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | VALVETRONIC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 9.7 | 11 |
| Piston Stroke: | 66 mm | 94.6 mm |
| Cylinder Bore: | 80 mm | 81.99 mm |
| Electric motor power: | 18 | |
| Electric motor Torque: | 200 Nm | |
| Battery voltage: | 48 V | |
| System power: | 286 Hp hp/ rpm. | |
| System torque: | 425 Nm Nm/ rpm. | |
| Wheel Drive: | Rear wheel drive | |
| Number of Gears (automatic transmission): | 8 Steptronic | |
| Number of Gears (manual transmission): | 4 | |
| Length: | 4620 mm | 5391 mm |
| Width: | 1690 mm | 1950 mm |
| Height: | 1425 mm | 1544 mm |
| Wheelbase: | 2636 mm | 3215 mm |
| Front track: | 1406 mm | 1713 mm |
| Rear (Back) track: | 1442 mm | 1736 mm |
| Ride height(clearance): | 140 mm | |
| Minimum volume of Luggage (trunk): | 440 l | 540 l |
| Max weight: | 2785 kg | |
| Front brakes: | Disc | Ventilated discs |
| Rear brakes: | Drum | Ventilated discs |
| Kerb Weight: | 1260 kg | 2075-2150 kg |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 12.9 m | |
| Tire size: | 245/50 R19 | |
| Wheel rims size: | 8.5J x 19 |