2000 Opel Signum vs. 1958 Riley 4
To start off, 2000 Opel Signum is newer by 42 year(s). Which means there will be less support and parts availability for 1958 Riley 4. In addition, the cost of maintenance, including insurance, on 1958 Riley 4 would be higher. At 2,172 cc (4 cylinders), 2000 Opel Signum is equipped with a bigger engine. In terms of performance, 2000 Opel Signum (123 HP @ 3250 RPM) has 60 more horse power than 1958 Riley 4. (63 HP @ 4800 RPM). In normal driving conditions, 2000 Opel Signum should accelerate faster than 1958 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2000 Opel Signum weights approximately 470 kg more than 1958 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1958 Riley 4 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 1958 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2000 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, 2000 Opel Signum (280 Nm @ 1500 RPM) has 165 more torque (in Nm) than 1958 Riley 4. (115 Nm @ 3300 RPM). This means 2000 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1958 Riley 4.
Compare all specifications:
| 2000 Opel Signum | 1958 Riley 4 | |
| Make | Opel | Riley |
| Model | Signum | 4 |
| Year Released | 2000 | 1958 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 1489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 123 HP | 63 HP |
| Engine RPM | 3250 RPM | 4800 RPM |
| Torque | 280 Nm | 115 Nm |
| Torque RPM | 1500 RPM | 3300 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1140 kg |
| Vehicle Length | 4640 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1620 mm |
| Vehicle Height | 1470 mm | 1530 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
