Comparison BMW 7 Series (E23, facelift 1983) 728i (184 Hp) & Mercedes-Benz E-class (W211, facelift 2006) E 230 (204 Hp) 7G-Tronic
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| Brand: | BMW | Mercedes-Benz |
| Model: | 7 Series | E-class |
| Generation: | 7 Series (E23, facelift 1983) | E-class (W211, facelift 2006) |
| Engine / modification: | 728i (184 Hp) | E 230 (204 Hp) 7G-Tronic |
| Production start: | 1983 year | 2007 year |
| Production end: | 1986 year | 2009 year |
| Coupe type: | Sedan | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 15.1 l/100 km | 13.3 l/100 km |
| Fuel consumption / economy - extra urban: | 7.9 l/100 km | 7.3 l/100 km |
| Fuel consumption / economy - combined: | 11.1 l/100 km | 9.4 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.40 | |
| Fuel tank volume: | 100 l | 65 l |
| Emission standard: | Euro 4 | |
| Power: | 184 hp | 204 hp |
| Max power in: | 5800 rpm. | 6200 rpm. |
| Maximum speed: | 201 km/h | 240 km/h |
| Acceleration from 0 to 100 km/h: | 9.5 sec | 9.1 sec |
| Torque: | 240 Nm @ 4200 rpm. | 245 Nm @ 2900 rpm. |
| Model Engine: | M 272.922 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2788 cm3 | 2496 cm3 |
| Engine oil capacity: | 8.0 l | |
| Coolant: | 6.5 l | |
| Fuel System: | Multi-point injection | Multi-point injection |
| Position of cylinders: | Inline | V engine |
| Valvetrain: | - | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 9.3 | 11.2 |
| Piston Stroke: | 80 mm | 68.4 mm |
| Cylinder Bore: | 86 mm | 88 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 | |
| Number of Gears (manual transmission): | 5 | |
| Length: | 4860 mm | 4818 mm |
| Width: | 1800 mm | 1822 mm |
| Height: | 1430 mm | 1462 mm |
| Wheelbase: | 2795 mm | 2854 mm |
| Front track: | 1502 mm | |
| Rear (Back) track: | 1524 mm | |
| Minimum volume of Luggage (trunk): | 480 l | |
| Maximum amount of Luggage (trunk): | 540 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | |
| Rear suspension: | Independent, spring | |
| Max weight: | 1980 kg | |
| Front brakes: | Disc | |
| Rear brakes: | Drum | |
| Kerb Weight: | 1470 kg | |
| Minimum turning circle (turning diameter): | 11.6 m | |
| Tire size: | 195/70 R 14 | 225/55 R16 W |
| Wheel rims size: | R14 |