1995 Opel Omega vs. 1970 Riley 4
To start off, 1995 Opel Omega is newer by 25 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 1,998 cc (4 cylinders), 1995 Opel Omega is equipped with a bigger engine. In terms of performance, 1995 Opel Omega (134 HP @ 5600 RPM) has 67 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1995 Opel Omega should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1995 Opel Omega weights approximately 277 kg more than 1970 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, 1995 Opel Omega (185 Nm @ 4000 RPM) has 65 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1995 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1995 Opel Omega | 1970 Riley 4 | |
| Make | Opel | Riley |
| Model | Omega | 4 |
| Year Released | 1995 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 67 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 185 Nm | 120 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 76.2 mm |
| Engine Stroke Size | 86 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1425 kg | 1148 kg |
| Vehicle Length | 4790 mm | 4540 mm |
| Vehicle Width | 1790 mm | 1620 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2740 mm | 2530 mm |
