1997 Caterham C21 vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 10 year(s). Which means there will be less support and parts availability for 1997 Caterham C21. In addition, the cost of maintenance, including insurance, on 1997 Caterham C21 would be higher. At 3,189 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (248 HP @ 6000 RPM) has 133 more horse power than 1997 Caterham C21. (115 HP @ 6000 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 1997 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 1510 kg more than 1997 Caterham C21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1997 Caterham C21. In wet, icy, snow, or gravel driving conditions, 2007 Porsche Cayenne 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, 2007 Porsche Cayenne (310 Nm @ 2500 RPM) has 165 more torque (in Nm) than 1997 Caterham C21. (145 Nm @ 3000 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1997 Caterham C21.
Compare all specifications:
| 1997 Caterham C21 | 2007 Porsche Cayenne | |
| Make | Caterham | Porsche |
| Model | C21 | Cayenne |
| Year Released | 1997 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 3189 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 248 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 145 Nm | 310 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 79 mm | 95.9 mm |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 650 kg | 2160 kg |
| Vehicle Length | 3810 mm | 4790 mm |
| Vehicle Width | 1590 mm | 1930 mm |
| Vehicle Height | 1060 mm | 1710 mm |
| Wheelbase Size | 2260 mm | 2860 mm |
