1992 BMW 538 vs. 1981 BMW 725
To start off, 1992 BMW 538 is newer by 11 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 3,795 cc (6 cylinders), 1992 BMW 538 is equipped with a bigger engine. In terms of performance, 1992 BMW 538 (341 HP @ 6900 RPM) has 193 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 1992 BMW 538 should accelerate faster than 1981 BMW 725.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1992 BMW 538 (400 Nm @ 4750 RPM) has 185 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 1992 BMW 538 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1992 BMW 538 | 1981 BMW 725 | |
Make | BMW | BMW |
Model | 538 | 725 |
Year Released | 1992 | 1981 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 3795 cc | 2493 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 341 HP | 148 HP |
Engine RPM | 6900 RPM | 5500 RPM |
Torque | 400 Nm | 215 Nm |
Torque RPM | 4750 RPM | 4000 RPM |
Engine Bore Size | 94.6 mm | 86 mm |
Engine Stroke Size | 90 mm | 71.6 mm |
Engine Compression Ratio | 10.5:1 | 9.6:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Length | 4730 mm | 4870 mm |
Vehicle Width | 1760 mm | 1810 mm |
Vehicle Height | 1400 mm | 1440 mm |