1997 Caterham C21 vs. 1991 Holden Commodore
To start off, 1997 Caterham C21 is newer by 6 year(s). Which means there will be less support and parts availability for 1991 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1991 Holden Commodore would be higher. At 4,987 cc (8 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 1991 Holden Commodore (221 HP @ 4400 RPM) has 83 more horse power than 1997 Caterham C21. (138 HP @ 7000 RPM) In normal driving conditions, 1991 Holden Commodore should accelerate faster than 1997 Caterham C21. With that said, vehicle weight also plays an important factor in acceleration. 1991 Holden Commodore weights approximately 811 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.
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, 1991 Holden Commodore (385 Nm @ 3600 RPM) has 232 more torque (in Nm) than 1997 Caterham C21. (153 Nm @ 5000 RPM). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 1997 Caterham C21.
Compare all specifications:
| 1997 Caterham C21 | 1991 Holden Commodore | |
| Make | Caterham | Holden |
| Model | C21 | Commodore |
| Year Released | 1997 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 4987 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 221 HP |
| Engine RPM | 7000 RPM | 4400 RPM |
| Torque | 153 Nm | 385 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 654 kg | 1465 kg |
| Vehicle Length | 3810 mm | 4900 mm |
| Vehicle Width | 1590 mm | 1820 mm |
| Vehicle Height | 1060 mm | 1410 mm |
| Wheelbase Size | 2260 mm | 2740 mm |
