2003 Opel Signum vs. 1958 Riley Two Point Six
To start off, 2003 Opel Signum is newer by 45 year(s). Which means there will be less support and parts availability for 1958 Riley Two Point Six. In addition, the cost of maintenance, including insurance, on 1958 Riley Two Point Six would be higher. At 2,639 cc (6 cylinders), 1958 Riley Two Point Six is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (99 HP @ 3120 RPM) has 3 more horse power than 1958 Riley Two Point Six. (96 HP @ 4750 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1958 Riley Two Point Six. With that said, vehicle weight also plays an important factor in acceleration. 1958 Riley Two Point Six weights approximately 20 kg more than 2003 Opel Signum.
Because 1958 Riley Two Point Six 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 Two Point Six. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (230 Nm @ 1500 RPM) has 47 more torque (in Nm) than 1958 Riley Two Point Six. (183 Nm @ 2000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1958 Riley Two Point Six.
Compare all specifications:
| 2003 Opel Signum | 1958 Riley Two Point Six | |
| Make | Opel | Riley |
| Model | Signum | Two Point Six |
| Year Released | 2003 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2639 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 99 HP | 96 HP |
| Engine RPM | 3120 RPM | 4750 RPM |
| Torque | 230 Nm | 183 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1620 kg | 1640 kg |
| Vehicle Length | 4640 mm | 4720 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1560 mm |
| Wheelbase Size | 2840 mm | 2890 mm |
