Comparison BMW 7 Series (E23, facelift 1983) 728i (184 Hp) Automatic & BMW 7 Series (E38) 750i (326 Hp) Steptronic
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| Brand: | BMW | BMW |
| Model: | 7 Series | 7 Series |
| Generation: | 7 Series (E23, facelift 1983) | 7 Series (E38) |
| Engine / modification: | 728i (184 Hp) Automatic | 750i (326 Hp) Steptronic |
| Production start: | 1983 year | 1994 year |
| Production end: | 1986 year | 1998 year |
| Coupe type: | Sedan | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 14.5 l/100 km | 16.8 l/100 km |
| Fuel consumption / economy - extra urban: | 7.8 l/100 km | 8.6 l/100 km |
| Fuel consumption / economy - combined: | 10.7 l/100 km | 11.9 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.40 | 0.31 |
| Fuel tank volume: | 100 l | 95 l |
| Power: | 184 hp | 326 hp |
| Max power in: | 5800 rpm. | 5000 rpm. |
| Maximum speed: | 195 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 11.4 sec | 6.6 sec |
| Torque: | 240 Nm @ 4200 rpm. | 490 Nm @ 3900 rpm. |
| Model Engine: | M73B54 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2788 cm3 | 5379 cm3 |
| Engine oil capacity: | 8.0 l | |
| Coolant: | 13.0 l | |
| Fuel System: | Multi-point injection | Multi-point injection |
| Position of cylinders: | Inline | V engine |
| Valvetrain: | SOHC | |
| Number of cylinders: | 6 | 12 |
| Number of valves per cylinder: | 2 | 2 |
| Compression ratio: | 9.3 | 10 |
| Piston Stroke: | 80 mm | 79 mm |
| Cylinder Bore: | 86 mm | 85 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 4 | 5 Steptronic |
| Length: | 4860 mm | 4984 mm |
| Width: | 1800 mm | 1862 mm |
| Height: | 1430 mm | 1425 mm |
| Wheelbase: | 2795 mm | 2930 mm |
| Front track: | 1502 mm | 1552 mm |
| Rear (Back) track: | 1524 mm | 1568 mm |
| Minimum volume of Luggage (trunk): | 480 l | 500 l |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Wishbone |
| Rear suspension: | Independent, spring | Inclined Lever |
| Max weight: | 1980 kg | 2495 kg |
| Front brakes: | Disc | Ventilated discs |
| Rear brakes: | Drum | Ventilated discs |
| Kerb Weight: | 1490 kg | 1960 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 11.6 m | 11.6 m |
| Tire size: | 195/70 HR 14 | 235/60 R16 |
| Wheel rims size: | R14 | R16 |