2007 Audi RS4 vs. 1990 Westfield ZEI
To start off, 2007 Audi RS4 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1990 Westfield ZEI would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 197 more horse power than 1990 Westfield ZEI. (217 HP @ 6250 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1990 Westfield ZEI.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Westfield ZEI. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 will offer significantly more control. 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, 2007 Audi RS4 (431 Nm @ 5500 RPM) has 139 more torque (in Nm) than 1990 Westfield ZEI. (292 Nm @ 4250 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Westfield ZEI.
Compare all specifications:
| 2007 Audi RS4 | 1990 Westfield ZEI | |
| Make | Audi | Westfield |
| Model | RS4 | ZEI |
| Year Released | 2007 | 1990 |
| Engine Size | 4163 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 217 HP |
| Engine RPM | 7800 RPM | 6250 RPM |
| Torque | 431 Nm | 292 Nm |
| Torque RPM | 5500 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Length | 4600 mm | 3550 mm |
| Vehicle Width | 1820 mm | 1570 mm |
| Vehicle Height | 1420 mm | 1060 mm |
| Wheelbase Size | 2650 mm | 2340 mm |
