2000 Opel Signum vs. 1961 Riley 4
To start off, 2000 Opel Signum is newer by 39 year(s). Which means there will be less support and parts availability for 1961 Riley 4. In addition, the cost of maintenance, including insurance, on 1961 Riley 4 would be higher. At 1,796 cc (4 cylinders), 2000 Opel Signum is equipped with a bigger engine. In terms of performance, 2000 Opel Signum (120 HP @ 6000 RPM) has 57 more horse power than 1961 Riley 4. (63 HP @ 4800 RPM). In normal driving conditions, 2000 Opel Signum should accelerate faster than 1961 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2000 Opel Signum weights approximately 340 kg more than 1961 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1961 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 1961 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 (167 Nm @ 3800 RPM) has 52 more torque (in Nm) than 1961 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 1961 Riley 4.
Compare all specifications:
| 2000 Opel Signum | 1961 Riley 4 | |
| Make | Opel | Riley |
| Model | Signum | 4 |
| Year Released | 2000 | 1961 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 63 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 167 Nm | 115 Nm |
| Torque RPM | 3800 RPM | 3300 RPM |
| Engine Compression Ratio | 10.5:1 | 7.3:1 |
| Fuel Type | Gasoline - Premium | 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 | 1480 kg | 1140 kg |
| Vehicle Length | 4640 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1620 mm |
| Vehicle Height | 1470 mm | 1530 mm |
| Wheelbase Size | 2640 mm | 2550 mm |
| Fuel Tank Capacity | 60 L | 45 L |
