2009 Audi A4 vs. 1991 Westfield ZEI
To start off, 2009 Audi A4 is newer by 18 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 2,495 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 1991 Westfield ZEI (217 HP @ 6250 RPM) has 56 more horse power than 2009 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 1991 Westfield ZEI should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 995 kg more than 1991 Westfield ZEI.
Because 1991 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 1991 Westfield ZEI. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 58 more torque (in Nm) than 1991 Westfield ZEI. (292 Nm @ 4250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Westfield ZEI.
Compare all specifications:
| 2009 Audi A4 | 1991 Westfield ZEI | |
| Make | Audi | Westfield |
| Model | A4 | ZEI |
| Year Released | 2009 | 1991 |
| Engine Size | 2495 cc | 1992 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 217 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 350 Nm | 292 Nm |
| Torque RPM | 1500 RPM | 4250 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1720 kg | 725 kg |
| Vehicle Length | 4580 mm | 3550 mm |
| Vehicle Width | 1780 mm | 1570 mm |
| Vehicle Height | 1400 mm | 1060 mm |
| Wheelbase Size | 2660 mm | 2340 mm |
