2005 Audi S4 vs. 2003 Westfield XTR 2
To start off, 2005 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Westfield XTR 2. In addition, the cost of maintenance, including insurance, on 2003 Westfield XTR 2 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 167 more horse power than 2003 Westfield XTR 2. (173 HP @ 9800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2003 Westfield XTR 2. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 1400 kg more than 2003 Westfield XTR 2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2005 Audi S4 | 2003 Westfield XTR 2 | |
| Make | Audi | Westfield |
| Model | S4 | XTR 2 |
| Year Released | 2005 | 2003 |
| Engine Size | 4161 cc | 1299 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 173 HP |
| Engine RPM | 6300 RPM | 9800 RPM |
| Vehicle Weight | 1840 kg | 440 kg |
| Vehicle Length | 4580 mm | 3690 mm |
| Vehicle Width | 1780 mm | 1630 mm |
| Wheelbase Size | 2660 mm | 2320 mm |
