1991 Caterham Super 7 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Caterham Super 7. In addition, the cost of maintenance, including insurance, on 1991 Caterham Super 7 would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 63 more horse power than 1991 Caterham Super 7. (110 HP @ 6000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1991 Caterham Super 7. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 1050 kg more than 1991 Caterham Super 7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 Opel Signum, 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 133 more torque (in Nm) than 1991 Caterham Super 7. (132 Nm @ 5000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Caterham Super 7.
Compare all specifications:
| 1991 Caterham Super 7 | 2004 Opel Signum | |
| Make | Caterham | Opel |
| Model | Super 7 | Signum |
| Year Released | 1991 | 2004 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1599 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 132 Nm | 265 Nm |
| Torque RPM | 5000 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 77.6 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Top Speed | 171 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 510 kg | 1560 kg |
| Vehicle Length | 3380 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1110 mm | 1470 mm |
| Wheelbase Size | 2240 mm | 2840 mm |
| Fuel Tank Capacity | 36 L | 60 L |
