1981 Opel Ascona vs. 1969 Riley 4
To start off, 1981 Opel Ascona is newer by 12 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 1,622 cc (4 cylinders), 1969 Riley 4 is equipped with a bigger engine. In terms of performance, 1981 Opel Ascona (81 HP) has 14 more horse power than 1969 Riley 4. (67 HP). In normal driving conditions, 1981 Opel Ascona should accelerate faster than 1969 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1969 Riley 4 weights approximately 134 kg more than 1981 Opel Ascona.
Let's talk about torque, 1981 Opel Ascona (134 Nm @ 2600 RPM) has 13 more torque (in Nm) than 1969 Riley 4. (121 Nm @ 2500 RPM). This means 1981 Opel Ascona will have an easier job in driving up hills or pulling heavy equipment than 1969 Riley 4.
Compare all specifications:
| 1981 Opel Ascona | 1969 Riley 4 | |
| Make | Opel | Riley |
| Model | Ascona | 4 |
| Year Released | 1981 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 67 HP |
| Torque | 134 Nm | 121 Nm |
| Torque RPM | 2600 RPM | 2500 RPM |
| Engine Bore Size | 79 mm | 76.2 mm |
| Engine Stroke Size | 81.5 mm | 88.9 mm |
| Engine Compression Ratio | 10.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1014 kg | 1148 kg |
| Vehicle Length | 4380 mm | 4540 mm |
| Vehicle Width | 1680 mm | 1620 mm |
| Vehicle Height | 1400 mm | 1530 mm |
| Wheelbase Size | 2580 mm | 2530 mm |
