1997 Caterham C21 vs. 1991 Opel Astra
To start off, 1997 Caterham C21 is newer by 6 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 1,588 cc (4 cylinders), 1997 Caterham C21 is equipped with a bigger engine. In terms of performance, 1997 Caterham C21 (138 HP @ 7000 RPM) has 56 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM). In normal driving conditions, 1997 Caterham C21 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 371 kg more than 1997 Caterham C21.
Because 1997 Caterham C21 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1997 Caterham C21. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1997 Caterham C21 (153 Nm @ 5000 RPM) has 40 more torque (in Nm) than 1991 Opel Astra. (113 Nm @ 3400 RPM). This means 1997 Caterham C21 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1997 Caterham C21 | 1991 Opel Astra | |
| Make | Caterham | Opel |
| Model | C21 | Astra |
| Year Released | 1997 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 1389 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 82 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 153 Nm | 113 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 654 kg | 1025 kg |
| Vehicle Length | 3810 mm | 4280 mm |
| Vehicle Width | 1590 mm | 1690 mm |
| Vehicle Height | 1060 mm | 1480 mm |
| Wheelbase Size | 2260 mm | 2450 mm |
