1991 Caterham Super 7 vs. 1991 Opel Astra
To start off, both 1991 Caterham Super 7 and 1991 Opel Astra were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,698 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1991 Caterham Super 7 (120 HP @ 6200 RPM) has 64 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1991 Caterham Super 7 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 525 kg more than 1991 Caterham Super 7.
Because 1991 Caterham Super 7 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 1991 Caterham Super 7. 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, 1991 Caterham Super 7 (143 Nm @ 5500 RPM) has 38 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1991 Caterham Super 7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Caterham Super 7 | 1991 Opel Astra | |
| Make | Caterham | Opel |
| Model | Super 7 | Astra |
| Year Released | 1991 | 1991 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1599 cc | 1698 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 56 HP |
| Engine RPM | 6200 RPM | 4600 RPM |
| Torque | 143 Nm | 105 Nm |
| Torque RPM | 5500 RPM | 2400 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 77.6 mm | 79.5 mm |
| Engine Compression Ratio | 9.5:1 | 23.0:1 |
| Top Speed | 180 km/hour | 150 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 510 kg | 1035 kg |
| Vehicle Length | 3380 mm | 4250 mm |
| Vehicle Width | 1670 mm | 1690 mm |
| Vehicle Height | 1110 mm | 1430 mm |
| Wheelbase Size | 2240 mm | 2530 mm |
| Fuel Tank Capacity | 36 L | 52 L |
