1981 BMW 525 vs. 1975 Dodge Aspen
To start off, 1981 BMW 525 is newer by 6 year(s). Which means there will be less support and parts availability for 1975 Dodge Aspen. In addition, the cost of maintenance, including insurance, on 1975 Dodge Aspen would be higher. At 5,898 cc (8 cylinders), 1975 Dodge Aspen is equipped with a bigger engine. In terms of performance, 1975 Dodge Aspen (173 HP @ 4000 RPM) has 25 more horse power than 1981 BMW 525. (148 HP @ 5500 RPM) In normal driving conditions, 1975 Dodge Aspen should accelerate faster than 1981 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1975 Dodge Aspen weights approximately 315 kg more than 1981 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1975 Dodge Aspen (380 Nm @ 2400 RPM) has 165 more torque (in Nm) than 1981 BMW 525. (215 Nm @ 4000 RPM). This means 1975 Dodge Aspen will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 525.
Compare all specifications:
| 1981 BMW 525 | 1975 Dodge Aspen | |
| Make | BMW | Dodge |
| Model | 525 | Aspen |
| Year Released | 1981 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 5898 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 173 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 215 Nm | 380 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1280 kg | 1595 kg |
| Vehicle Length | 4780 mm | 5200 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2630 mm | 2870 mm |
