Comparison BMW 7 Series (E38) 725 tds (143 Hp) & BMW 7 Series (E23, facelift 1983) 735i (218 Hp)
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| Brand: | BMW | BMW |
| Model: | 7 Series | 7 Series |
| Generation: | 7 Series (E38) | 7 Series (E23, facelift 1983) |
| Engine / modification: | 725 tds (143 Hp) | 735i (218 Hp) |
| Production start: | 1996 year | 1983 year |
| Production end: | 1998 year | 1986 year |
| Coupe type: | Sedan | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 11.0 l/100 km | 16.8 l/100 km |
| Fuel consumption / economy - extra urban: | 6.2 l/100 km | 8.1 l/100 km |
| Fuel consumption / economy - combined: | 8.0 l/100 km | 11.6 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.30 | 0.40 |
| Fuel tank volume: | 85 l | 100 l |
| Power: | 143 hp | 218 hp |
| Max power in: | 4600 rpm. | 5200 rpm. |
| Maximum speed: | 206 km/h | 217 km/h |
| Acceleration from 0 to 100 km/h: | 11.4 sec | 7.9 sec |
| Torque: | 280 Nm @ 2200 rpm. | 310 Nm @ 4000 rpm. |
| Model Engine: | M51D25 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 2497 cm3 | 3430 cm3 |
| Engine oil capacity: | 7 l | |
| Coolant: | 9.8 l | |
| Fuel System: | Diesel - Standard diesel injection (SDI) | Multi-point injection |
| Aspiration / Turbine: | Turbocharger / Intercooler | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | OHC | |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 2 | 2 |
| Compression ratio: | 22 | 10 |
| Piston Stroke: | 82.8 mm | 86 mm |
| Cylinder Bore: | 80 mm | 92 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (manual transmission): | 5 | 5 |
| Length: | 4984 mm | 4860 mm |
| Width: | 1862 mm | 1800 mm |
| Height: | 1435 mm | 1430 mm |
| Wheelbase: | 2930 mm | 2795 mm |
| Front track: | 1552 mm | 1502 mm |
| Rear (Back) track: | 1568 mm | 1524 mm |
| Minimum volume of Luggage (trunk): | 500 l | 480 l |
| Front suspension: | Coil spring | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Inclined Lever | Independent, spring |
| Max weight: | 2245 kg | 2010 kg |
| Front brakes: | Ventilated discs | Disc |
| Rear brakes: | Disc | Drum |
| Kerb Weight: | 1710 kg | 1500 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: | 215/60 R16 | 205/70 VR 14 |
| Wheel rims size: | R16 | R14 |