1974 Opel Manta vs. 1965 Riley 4
To start off, 1974 Opel Manta is newer by 9 year(s). Which means there will be less support and parts availability for 1965 Riley 4. In addition, the cost of maintenance, including insurance, on 1965 Riley 4 would be higher. At 1,620 cc (4 cylinders), 1965 Riley 4 is equipped with a bigger engine. In terms of performance, 1965 Riley 4 (67 HP) has 8 more horse power than 1974 Opel Manta. (59 HP) In normal driving conditions, 1965 Riley 4 should accelerate faster than 1974 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1965 Riley 4 weights approximately 218 kg more than 1974 Opel Manta. 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, 1965 Riley 4 (121 Nm @ 2500 RPM) has 31 more torque (in Nm) than 1974 Opel Manta. (90 Nm @ 3000 RPM). This means 1965 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1974 Opel Manta.
Compare all specifications:
| 1974 Opel Manta | 1965 Riley 4 | |
| Make | Opel | Riley |
| Model | Manta | 4 |
| Year Released | 1974 | 1965 |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 1620 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 67 HP |
| Torque | 90 Nm | 121 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 930 kg | 1148 kg |
| Vehicle Length | 4300 mm | 4540 mm |
| Vehicle Width | 1640 mm | 1620 mm |
| Vehicle Height | 1360 mm | 1530 mm |
| Wheelbase Size | 2440 mm | 2530 mm |
