2007 BMW 525 vs. 1990 Westfield ZEI
To start off, 2007 BMW 525 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1990 Westfield ZEI would be higher. At 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 1990 Westfield ZEI (217 HP @ 6250 RPM) has 42 more horse power than 2007 BMW 525. (175 HP @ 4000 RPM) In normal driving conditions, 1990 Westfield ZEI should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 934 kg more than 1990 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, 2007 BMW 525 (400 Nm @ 2000 RPM) has 108 more torque (in Nm) than 1990 Westfield ZEI. (292 Nm @ 4250 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1990 Westfield ZEI.
Compare all specifications:
| 2007 BMW 525 | 1990 Westfield ZEI | |
| Make | BMW | Westfield |
| Model | 525 | ZEI |
| Year Released | 2007 | 1990 |
| Engine Size | 2497 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 217 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 400 Nm | 292 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1660 kg | 726 kg |
| Vehicle Length | 4850 mm | 3550 mm |
| Vehicle Width | 1850 mm | 1570 mm |
| Vehicle Height | 1470 mm | 1060 mm |
| Wheelbase Size | 2890 mm | 2340 mm |
