2005 Audi S4 vs. 1995 Caterham 21
To start off, 2005 Audi S4 is newer by 10 year(s). Which means there will be less support and parts availability for 1995 Caterham 21. In addition, the cost of maintenance, including insurance, on 1995 Caterham 21 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 202 more horse power than 1995 Caterham 21. (138 HP @ 7000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1995 Caterham 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 1134 kg more than 1995 Caterham 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 254 more torque (in Nm) than 1995 Caterham 21. (156 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1995 Caterham 21.
Compare all specifications:
| 2005 Audi S4 | 1995 Caterham 21 | |
| Make | Audi | Caterham |
| Model | S4 | 21 |
| Year Released | 2005 | 1995 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1588 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 138 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 410 Nm | 156 Nm |
| Engine Bore Size | 85 mm | 80 mm |
| Engine Stroke Size | 93 mm | 79 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 648 kg |
| Vehicle Length | 4550 mm | 3810 mm |
| Vehicle Width | 1770 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1070 mm |
| Wheelbase Size | 2760 mm | 2260 mm |
| Fuel Tank Capacity | 66 L | 54 L |
