2009 BMW 635 vs. 2000 Caterham C21
To start off, 2009 BMW 635 is newer by 9 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 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 167 more horse power than 2000 Caterham C21. (115 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 635 should accelerate faster than 2000 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 635 weights approximately 1075 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, 2009 BMW 635 (581 Nm @ 1750 RPM) has 436 more torque (in Nm) than 2000 Caterham C21. (145 Nm @ 3000 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham C21. 2009 BMW 635 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. 2009 BMW 635 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 635 | 2000 Caterham C21 | |
| Make | BMW | Caterham |
| Model | 635 | C21 |
| Year Released | 2009 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 115 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 581 Nm | 145 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 90 mm | 79 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1725 kg | 650 kg |
| Vehicle Length | 4830 mm | 3810 mm |
| Vehicle Width | 1860 mm | 1590 mm |
| Vehicle Height | 1380 mm | 1060 mm |
| Wheelbase Size | 2790 mm | 2260 mm |
