1997 Caterham C21 vs. 1991 Westfield ZEI
To start off, 1997 Caterham C21 is newer by 6 year(s). Which means there will be less support and parts availability for 1991 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1991 Westfield ZEI 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 79 more horse power than 1997 Caterham C21. (138 HP @ 7000 RPM) In normal driving conditions, 1991 Westfield ZEI should accelerate faster than 1997 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 1991 Westfield ZEI weights approximately 71 kg more than 1997 Caterham C21. 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, 1991 Westfield ZEI (292 Nm @ 4250 RPM) has 139 more torque (in Nm) than 1997 Caterham C21. (153 Nm @ 5000 RPM). This means 1991 Westfield ZEI will have an easier job in driving up hills or pulling heavy equipment than 1997 Caterham C21.
Compare all specifications:
| 1997 Caterham C21 | 1991 Westfield ZEI | |
| Make | Caterham | Westfield |
| Model | C21 | ZEI |
| Year Released | 1997 | 1991 |
| Engine Size | 1588 cc | 1992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 217 HP |
| Engine RPM | 7000 RPM | 6250 RPM |
| Torque | 153 Nm | 292 Nm |
| Torque RPM | 5000 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 654 kg | 725 kg |
| Vehicle Length | 3810 mm | 3550 mm |
| Vehicle Width | 1590 mm | 1570 mm |
| Vehicle Height | 1060 mm | 1060 mm |
| Wheelbase Size | 2260 mm | 2340 mm |
