1981 BMW 520 vs. 1991 Westfield ZEI
To start off, 1991 Westfield ZEI is newer by 10 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 1,992 cc (4 cylinders), 1991 Westfield ZEI is equipped with a bigger engine. In terms of performance, 1991 Westfield ZEI (217 HP @ 6250 RPM) has 94 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 1991 Westfield ZEI should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 520 weights approximately 495 kg more than 1991 Westfield ZEI.
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, 1991 Westfield ZEI (292 Nm @ 4250 RPM) has 122 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 1991 Westfield ZEI will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
1981 BMW 520 | 1991 Westfield ZEI | |
Make | BMW | Westfield |
Model | 520 | ZEI |
Year Released | 1981 | 1991 |
Engine Size | 1991 cc | 1992 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 123 HP | 217 HP |
Engine RPM | 5800 RPM | 6250 RPM |
Torque | 170 Nm | 292 Nm |
Torque RPM | 4000 RPM | 4250 RPM |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Vehicle Weight | 1220 kg | 725 kg |
Vehicle Length | 4630 mm | 3550 mm |
Vehicle Width | 1710 mm | 1570 mm |
Vehicle Height | 1430 mm | 1060 mm |
Wheelbase Size | 2630 mm | 2340 mm |