Comparison BMW 7 Series (E23, facelift 1983) 728i (184 Hp) & Mercedes-Benz E-class (W211, facelift 2006) E 230 (204 Hp) 7G-Tronic & Mercedes-Benz E-class Cabrio (A124) E 220 (150 Hp) Automatic
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| Brand: | BMW | Mercedes-Benz | Mercedes-Benz |
| Model: | 7 Series | E-class | E-class |
| Generation: | 7 Series (E23, facelift 1983) | E-class (W211, facelift 2006) | E-class Cabrio (A124) |
| Engine / modification: | 728i (184 Hp) | E 230 (204 Hp) 7G-Tronic | E 220 (150 Hp) Automatic |
| Production start: | 1983 year | 2007 year | 1992 year |
| Production end: | 1986 year | 2009 year | 1997 year |
| Coupe type: | Sedan | Sedan | Cabriolet |
| Num. of Doors: | 4 | 4 | 2 |
| Num. of seats: | 5 | 5 | 4 |
| Fuel consumption / economy - urban: | 15.1 l/100 km | 13.3 l/100 km | 11.5 l/100 km |
| Fuel consumption / economy - extra urban: | 7.9 l/100 km | 7.3 l/100 km | 7 l/100 km |
| Fuel consumption / economy - combined: | 11.1 l/100 km | 9.4 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.40 | ||
| Fuel tank volume: | 100 l | 65 l | 70 l |
| Emission standard: | Euro 4 | ||
| Power: | 184 hp | 204 hp | 150 hp |
| Max power in: | 5800 rpm. | 6200 rpm. | 5500 rpm. |
| Maximum speed: | 201 km/h | 240 km/h | 205 km/h |
| Acceleration from 0 to 100 km/h: | 9.5 sec | 9.1 sec | 11.5 sec |
| Torque: | 240 Nm @ 4200 rpm. | 245 Nm @ 2900 rpm. | 210 Nm @ 4000 rpm. |
| Model Engine: | M 272.922 | M 111 E 22 / 111.960 | |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2788 cm3 | 2496 cm3 | 2199 cm3 |
| Engine oil capacity: | 8.0 l | 5.5 l | |
| Coolant: | 6.5 l | 8.5 l | |
| Fuel System: | Multi-point injection | Multi-point injection | |
| Position of cylinders: | Inline | V engine | Inline |
| Valvetrain: | - | DOHC | |
| Number of cylinders: | 6 | 6 | 4 |
| Number of valves per cylinder: | 2 | 4 | 4 |
| Compression ratio: | 9.3 | 11.2 | 10 |
| Piston Stroke: | 80 mm | 68.4 mm | 86.6 mm |
| Cylinder Bore: | 86 mm | 88 mm | 89.9 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 | 4 | |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 4860 mm | 4818 mm | 4655 mm |
| Width: | 1800 mm | 1822 mm | 1740 mm |
| Height: | 1430 mm | 1462 mm | 1391 mm |
| Wheelbase: | 2795 mm | 2854 mm | 2715 mm |
| Front track: | 1502 mm | 1501 mm | |
| Rear (Back) track: | 1524 mm | 1491 mm | |
| Minimum volume of Luggage (trunk): | 480 l | 300 l | |
| Maximum amount of Luggage (trunk): | 540 l | ||
| Front suspension: | Independent, Spring McPherson, with stabilizer | Wishbone | |
| Rear suspension: | Independent, spring | Multi-link independent | |
| Max weight: | 1980 kg | 2130 kg | |
| Front brakes: | Disc | Ventilated discs | |
| Rear brakes: | Drum | Disc | |
| Kerb Weight: | 1470 kg | 1630 kg | |
| Steering type: | Cone worm with recirculation balls | ||
| Power steering: | Hydraulic Steering | ||
| Minimum turning circle (turning diameter): | 11.6 m | ||
| Tire size: | 195/70 R 14 | 225/55 R16 W | Front wheel tires: 195/65 R15 |
| Wheel rims size: | R14 | Front wheel rims: 6.5J x 15 |