2009 BMW Z4 vs. 1984 Westfield ZEI
To start off, 2009 BMW Z4 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1984 Westfield ZEI would be higher. At 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 121 more horse power than 1984 Westfield ZEI. (217 HP @ 6250 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1984 Westfield ZEI. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 760 kg more than 1984 Westfield ZEI. 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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 72 more torque (in Nm) than 1984 Westfield ZEI. (293 Nm @ 4250 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Westfield ZEI.
Compare all specifications:
| 2009 BMW Z4 | 1984 Westfield ZEI | |
| Make | BMW | Westfield |
| Model | Z4 | ZEI |
| Year Released | 2009 | 1984 |
| Engine Size | 3246 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 217 HP |
| Engine RPM | 7900 RPM | 6250 RPM |
| Torque | 365 Nm | 293 Nm |
| Torque RPM | 4900 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1485 kg | 725 kg |
| Vehicle Length | 4120 mm | 3550 mm |
| Vehicle Width | 1310 mm | 1570 mm |
| Vehicle Height | 1790 mm | 1060 mm |
| Wheelbase Size | 2500 mm | 2340 mm |
