2004 Alpina Roadster vs. 2000 Caterham C21
To start off, 2004 Alpina Roadster is newer by 4 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 3,346 cc (6 cylinders), 2004 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2004 Alpina Roadster (301 HP @ 6300 RPM) has 186 more horse power than 2000 Caterham C21. (115 HP @ 6000 RPM). In normal driving conditions, 2004 Alpina Roadster should accelerate faster than 2000 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alpina Roadster weights approximately 970 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 Alpina Roadster (362 Nm @ 4800 RPM) has 217 more torque (in Nm) than 2000 Caterham C21. (145 Nm @ 3000 RPM). This means 2004 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham C21.
Compare all specifications:
| 2004 Alpina Roadster | 2000 Caterham C21 | |
| Make | Alpina | Caterham |
| Model | Roadster | C21 |
| Year Released | 2004 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 115 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 145 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Weight | 1620 kg | 650 kg |
| Vehicle Length | 4100 mm | 3810 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1300 mm | 1060 mm |
| Wheelbase Size | 2500 mm | 2260 mm |
