2004 Opel Signum vs. 1995 Westfield ZEI
To start off, 2004 Opel Signum is newer by 9 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 3,950 cc (8 cylinders), 1995 Westfield ZEI is equipped with a bigger engine. In terms of performance, 1995 Westfield ZEI (187 HP @ 4750 RPM) has 14 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 1995 Westfield ZEI should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 810 kg more than 1995 Westfield ZEI.
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, 2004 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, 1995 Westfield ZEI (320 Nm @ 3000 RPM) has 55 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1995 Westfield ZEI will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 1995 Westfield ZEI | |
| Make | Opel | Westfield |
| Model | Signum | ZEI |
| Year Released | 2004 | 1995 |
| Engine Size | 1995 cc | 3950 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 187 HP |
| Engine RPM | 5500 RPM | 4750 RPM |
| Torque | 265 Nm | 320 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1560 kg | 750 kg |
| Vehicle Length | 4640 mm | 3550 mm |
| Vehicle Width | 1800 mm | 1570 mm |
| Vehicle Height | 1470 mm | 1060 mm |
| Wheelbase Size | 2840 mm | 2340 mm |
