2005 Audi RS6 vs. 2000 Caterham C21
To start off, 2005 Audi RS6 is newer by 5 year(s). Which means there will be less support and parts availability for 2000 Caterham C21. In addition, the cost of maintenance, including insurance, on 2000 Caterham C21 would be higher. At 4,171 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 329 more horse power than 2000 Caterham C21. (115 HP @ 6000 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2000 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 1175 kg more than 2000 Caterham C21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2000 Caterham C21. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS6 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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 415 more torque (in Nm) than 2000 Caterham C21. (145 Nm @ 3000 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham C21. 2005 Audi RS6 has automatic transmission and 2000 Caterham C21 has manual transmission. 2000 Caterham C21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi RS6 | 2000 Caterham C21 | |
| Make | Audi | Caterham |
| Model | RS6 | C21 |
| Year Released | 2005 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 1588 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 115 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 560 Nm | 145 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1825 kg | 650 kg |
| Vehicle Length | 4800 mm | 3810 mm |
| Vehicle Height | 1460 mm | 1060 mm |
| Wheelbase Size | 2770 mm | 2260 mm |
