1986 Opel Omega vs. 1958 Riley 4
To start off, 1986 Opel Omega is newer by 28 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 1,998 cc (4 cylinders), 1986 Opel Omega is equipped with a bigger engine. In terms of performance, 1986 Opel Omega (122 HP @ 5400 RPM) has 59 more horse power than 1958 Riley 4. (63 HP @ 4800 RPM). In normal driving conditions, 1986 Opel Omega should accelerate faster than 1958 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1986 Opel Omega weights approximately 170 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1986 Opel Omega (175 Nm @ 2600 RPM) has 60 more torque (in Nm) than 1958 Riley 4. (115 Nm @ 3300 RPM). This means 1986 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1958 Riley 4.
Compare all specifications:
| 1986 Opel Omega | 1958 Riley 4 | |
| Make | Opel | Riley |
| Model | Omega | 4 |
| Year Released | 1986 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1489 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 122 HP | 63 HP |
| Engine RPM | 5400 RPM | 4800 RPM |
| Torque | 175 Nm | 115 Nm |
| Torque RPM | 2600 RPM | 3300 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1140 kg |
| Vehicle Length | 4740 mm | 4530 mm |
| Vehicle Width | 1780 mm | 1620 mm |
| Vehicle Height | 1540 mm | 1530 mm |
| Wheelbase Size | 2740 mm | 2530 mm |
