1986 Opel Omega vs. 1969 Riley 4
To start off, 1986 Opel Omega is newer by 17 year(s). Which means there will be less support and parts availability for 1969 Riley 4. In addition, the cost of maintenance, including insurance, on 1969 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) has 55 more horse power than 1969 Riley 4. (67 HP). In normal driving conditions, 1986 Opel Omega should accelerate faster than 1969 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1986 Opel Omega weights approximately 162 kg more than 1969 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 54 more torque (in Nm) than 1969 Riley 4. (121 Nm @ 2500 RPM). This means 1986 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1969 Riley 4.
Compare all specifications:
| 1986 Opel Omega | 1969 Riley 4 | |
| Make | Opel | Riley |
| Model | Omega | 4 |
| Year Released | 1986 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 122 HP | 67 HP |
| Torque | 175 Nm | 121 Nm |
| Torque RPM | 2600 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 76.2 mm |
| Engine Stroke Size | 86 mm | 88.9 mm |
| Engine Compression Ratio | 10.0:1 | 8.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1148 kg |
| Vehicle Length | 4740 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1620 mm |
| Vehicle Height | 1540 mm | 1530 mm |
| Wheelbase Size | 2740 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 45 L |
