1973 Opel Manta vs. 1967 Riley 4
To start off, 1973 Opel Manta is newer by 6 year(s). Which means there will be less support and parts availability for 1967 Riley 4. In addition, the cost of maintenance, including insurance, on 1967 Riley 4 would be higher. At 1,622 cc (4 cylinders), 1967 Riley 4 is equipped with a bigger engine. In terms of performance, 1967 Riley 4 (67 HP @ 5000 RPM) has 8 more horse power than 1973 Opel Manta. (59 HP @ 5400 RPM) In normal driving conditions, 1967 Riley 4 should accelerate faster than 1973 Opel Manta. With that said, vehicle weight also plays an important factor in acceleration. 1967 Riley 4 weights approximately 218 kg more than 1973 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, 1967 Riley 4 (120 Nm @ 2500 RPM) has 30 more torque (in Nm) than 1973 Opel Manta. (90 Nm @ 3000 RPM). This means 1967 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Manta.
Compare all specifications:
| 1973 Opel Manta | 1967 Riley 4 | |
| Make | Opel | Riley |
| Model | Manta | 4 |
| Year Released | 1973 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 1196 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 67 HP |
| Engine RPM | 5400 RPM | 5000 RPM |
| Torque | 90 Nm | 120 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 79.1 mm | 76.2 mm |
| Engine Stroke Size | 61 mm | 88.9 mm |
| 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 |
