1981 Mazda Cosmo vs. 1967 Riley 4
To start off, 1981 Mazda Cosmo is newer by 14 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 1,970 cc (4 cylinders), 1981 Mazda Cosmo is equipped with a bigger engine. In terms of performance, 1981 Mazda Cosmo (102 HP @ 5300 RPM) has 35 more horse power than 1967 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1981 Mazda Cosmo should accelerate faster than 1967 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1967 Riley 4 weights approximately 50 kg more than 1981 Mazda Cosmo.
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, 1981 Mazda Cosmo (167 Nm @ 3300 RPM) has 47 more torque (in Nm) than 1967 Riley 4. (120 Nm @ 2500 RPM). This means 1981 Mazda Cosmo will have an easier job in driving up hills or pulling heavy equipment than 1967 Riley 4.
Compare all specifications:
| 1981 Mazda Cosmo | 1967 Riley 4 | |
| Make | Mazda | Riley |
| Model | Cosmo | 4 |
| Year Released | 1981 | 1967 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 102 HP | 67 HP |
| Engine RPM | 5300 RPM | 5000 RPM |
| Torque | 167 Nm | 120 Nm |
| Torque RPM | 3300 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 76.2 mm |
| Engine Stroke Size | 98 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1098 kg | 1148 kg |
| Vehicle Length | 4670 mm | 4540 mm |
| Vehicle Width | 1700 mm | 1620 mm |
| Vehicle Height | 1420 mm | 1530 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
