2004 Caterham 7 vs. 2004 Opel Signum
To start off, both 2004 Caterham 7 and 2004 Opel Signum were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 8 more horse power than 2004 Caterham 7. (200 HP @ 7000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2004 Caterham 7. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 1055 kg more than 2004 Caterham 7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 Caterham 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 (300 Nm @ 4000 RPM) has 76 more torque (in Nm) than 2004 Caterham 7. (224 Nm @ 5750 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Caterham 7. 2004 Opel Signum has automatic transmission and 2004 Caterham 7 has manual transmission. 2004 Caterham 7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Caterham 7 | 2004 Opel Signum | |
| Make | Caterham | Opel |
| Model | 7 | Signum |
| Year Released | 2004 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 208 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 224 Nm | 300 Nm |
| Torque RPM | 5750 RPM | 4000 RPM |
| Engine Bore Size | 87.6 mm | 87.5 mm |
| Engine Stroke Size | 94 mm | 88 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 540 kg | 1595 kg |
| Vehicle Length | 3310 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1150 mm | 1470 mm |
| Wheelbase Size | 2230 mm | 2740 mm |
