2006 BMW MM Roadster vs. 2000 Caterham C21
To start off, 2006 BMW MM Roadster is newer by 6 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 3,245 cc (6 cylinders), 2006 BMW MM Roadster is equipped with a bigger engine. In terms of performance, 2006 BMW MM Roadster (330 HP @ 7900 RPM) has 215 more horse power than 2000 Caterham C21. (115 HP @ 6000 RPM). In normal driving conditions, 2006 BMW MM Roadster should accelerate faster than 2000 Caterham C21.
Let's talk about torque, 2006 BMW MM Roadster (355 Nm @ 4900 RPM) has 210 more torque (in Nm) than 2000 Caterham C21. (145 Nm @ 3000 RPM). This means 2006 BMW MM Roadster will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham C21.
Compare all specifications:
| 2006 BMW MM Roadster | 2000 Caterham C21 | |
| Make | BMW | Caterham |
| Model | MM Roadster | C21 |
| Year Released | 2006 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 115 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 355 Nm | 145 Nm |
| Torque RPM | 4900 RPM | 3000 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 2 seats |
| Vehicle Length | 4120 mm | 3810 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1310 mm | 1060 mm |
| Wheelbase Size | 2500 mm | 2260 mm |
