2005 Opel Signum vs. 1983 Westfield ZEI
To start off, 2005 Opel Signum is newer by 22 year(s). Which means there will be less support and parts availability for 1983 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1983 Westfield ZEI would be higher. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 1983 Westfield ZEI (217 HP @ 6250 RPM) has 118 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 1983 Westfield ZEI should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 870 kg more than 1983 Westfield ZEI.
Because 1983 Westfield ZEI is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1983 Westfield ZEI. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 1983 Westfield ZEI (292 Nm @ 4250 RPM) has 62 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 1983 Westfield ZEI will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2005 Opel Signum | 1983 Westfield ZEI | |
| Make | Opel | Westfield |
| Model | Signum | ZEI |
| Year Released | 2005 | 1983 |
| Engine Size | 1993 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 217 HP |
| Engine RPM | 3120 RPM | 6250 RPM |
| Torque | 230 Nm | 292 Nm |
| Torque RPM | 1500 RPM | 4250 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1595 kg | 725 kg |
| Vehicle Length | 4640 mm | 3550 mm |
| Vehicle Width | 1800 mm | 1570 mm |
| Vehicle Height | 1470 mm | 1060 mm |
| Wheelbase Size | 2740 mm | 2340 mm |
