2000 Caterham 7 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 2000 Caterham 7. In addition, the cost of maintenance, including insurance, on 2000 Caterham 7 would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2000 Caterham 7 (230 HP @ 8600 RPM) has 55 more horse power than 2005 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2000 Caterham 7 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 1210 kg more than 2000 Caterham 7.
Because 2000 Caterham 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 2000 Caterham 7. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 160 more torque (in Nm) than 2000 Caterham 7. (210 Nm @ 7200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham 7.
Compare all specifications:
| 2000 Caterham 7 | 2005 Opel Signum | |
| Make | Caterham | Opel |
| Model | 7 | Signum |
| Year Released | 2000 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 230 HP | 175 HP |
| Engine RPM | 8600 RPM | 4000 RPM |
| Torque | 210 Nm | 370 Nm |
| Torque RPM | 7200 RPM | 1900 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 89.3 mm | 82 mm |
| Engine Compression Ratio | 11.5:1 | 18.5:1 |
| Top Speed | 235 km/hour | 221 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 | 460 kg | 1670 kg |
| Vehicle Length | 3110 mm | 4640 mm |
| Vehicle Width | 1580 mm | 1800 mm |
| Vehicle Height | 810 mm | 1470 mm |
| Wheelbase Size | 2230 mm | 2620 mm |
