2005 Opel Signum vs. 1995 Westfield ZEI
To start off, 2005 Opel Signum is newer by 10 year(s). Which means there will be less support and parts availability for 1995 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1995 Westfield ZEI would be higher. At 1,908 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (173 HP @ 5500 RPM) has 44 more horse power than 1995 Westfield ZEI. (129 HP @ 6250 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 1995 Westfield ZEI. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 840 kg more than 1995 Westfield ZEI. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1995 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 1995 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, 2005 Opel Signum (265 Nm @ 2500 RPM) has 103 more torque (in Nm) than 1995 Westfield ZEI. (162 Nm @ 4250 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1995 Westfield ZEI.
Compare all specifications:
| 2005 Opel Signum | 1995 Westfield ZEI | |
| Make | Opel | Westfield |
| Model | Signum | ZEI |
| Year Released | 2005 | 1995 |
| Engine Size | 1908 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 129 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 265 Nm | 162 Nm |
| Torque RPM | 2500 RPM | 4250 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1560 kg | 720 kg |
| Vehicle Length | 4640 mm | 3550 mm |
| Vehicle Width | 1800 mm | 1570 mm |
| Vehicle Height | 1470 mm | 1060 mm |
| Wheelbase Size | 2620 mm | 2340 mm |
