Comparison BMW 7 Series (E23, facelift 1983) 745i (252 Hp) Automatic & BMW 3 Series Touring (E46, facelift 2001) 318 Ci (143 Hp) & Mercedes-Benz E-class T-mod. (S124) E 220 T (124.082) (150 Hp)
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| Brand: | BMW | BMW | Mercedes-Benz |
| Model: | 7 Series | 3 Series | E-class |
| Generation: | 7 Series (E23, facelift 1983) | 3 Series Touring (E46, facelift 2001) | E-class T-mod. (S124) |
| Engine / modification: | 745i (252 Hp) Automatic | 318 Ci (143 Hp) | E 220 T (124.082) (150 Hp) |
| Production start: | 1983 year | 2001 year | 1993 year |
| Production end: | 1986 year | 2005 year | 1996 year |
| Coupe type: | Sedan | Combi | Combi |
| Num. of Doors: | 4 | 5 | 5 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 16.6 l/100 km | 10.6 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.4 l/100 km | 5.9 l/100 km | |
| Fuel consumption / economy - combined: | 11.8 l/100 km | 7.6 l/100 km | 9.6 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.40 | ||
| Fuel tank volume: | 100 l | 63 l | 72 l |
| Power: | 252 hp | 143 hp | 150 hp |
| Max power in: | 4900 rpm. | 6000 rpm. | 5500 rpm. |
| Maximum speed: | 227 km/h | 213 km/h | 198 km/h |
| Acceleration from 0 to 100 km/h: | 7.9 sec | 9.6 sec | 11.1 sec |
| Torque: | 380 Nm @ 2200 rpm. | 200 Nm @ 3750 rpm. | 210 Nm/4000 rpm. |
| Model Engine: | M102B34 | N42B20 | |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3430 cm3 | 1995 cm3 | 2199 cm3 |
| Engine oil capacity: | 4.25 l | ||
| Coolant: | 7.5 l | ||
| Fuel System: | Multi-point injection | Multi-point injection | Multi-point injection |
| Aspiration / Turbine: | Turbocharger | ||
| Position of cylinders: | Inline | Inline | Inline |
| Valvetrain: | DOHC | DOHC | |
| Number of cylinders: | 6 | 4 | 4 |
| Number of valves per cylinder: | 2 | 4 | 4 |
| Compression ratio: | 8 | 10.2 | 10 |
| Piston Stroke: | 86 mm | 90 mm | 86.6 mm |
| Cylinder Bore: | 92 mm | 84 mm | 89.9 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | |
| Number of Gears (automatic transmission): | 4 | 4 | |
| Number of Gears (manual transmission): | 5 | 5 | |
| Length: | 4860 mm | 4480 mm | 4765 mm |
| Width: | 1800 mm | 1740 mm | 1740 mm |
| Height: | 1430 mm | 1410 mm | 1490 mm |
| Wheelbase: | 2795 mm | 2725 mm | 2800 mm |
| Front track: | 1502 mm | 1470 mm | 1497 mm |
| Rear (Back) track: | 1524 mm | 1485 mm | 1488 mm |
| Ride height(clearance): | 132 mm | ||
| Minimum volume of Luggage (trunk): | 480 l | 435 l | 530 l |
| Maximum amount of Luggage (trunk): | 1345 l | 885 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Wishbone | Wishbone |
| Rear suspension: | Independent, spring multi-link with stabilizer | Helical spring | Helical spring |
| Max weight: | 2100 kg | 1935 kg | 2130 kg |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc | Disc |
| Kerb Weight: | 1590 kg | 1395 kg | 1480 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 11.6 m | ||
| Tire size: | 195/70 R14 | 205/55 R16 | 195/65 R15 |
| Wheel rims size: | 6.5J x 14 | 7J x 16 |