1970 Riley 4 vs. 1985 Mitsubishi Sigma
To start off, 1985 Mitsubishi Sigma is newer by 15 year(s). Which means there will be less support and parts availability for 1970 Riley 4. In addition, the cost of maintenance, including insurance, on 1970 Riley 4 would be higher. At 1,995 cc (4 cylinders), 1985 Mitsubishi Sigma is equipped with a bigger engine. In terms of performance, 1985 Mitsubishi Sigma (94 HP @ 5600 RPM) has 27 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 1985 Mitsubishi Sigma should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1970 Riley 4 weights approximately 78 kg more than 1985 Mitsubishi Sigma.
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, 1985 Mitsubishi Sigma (152 Nm @ 2400 RPM) has 32 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1985 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1970 Riley 4 | 1985 Mitsubishi Sigma | |
| Make | Riley | Mitsubishi |
| Model | 4 | Sigma |
| Year Released | 1970 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 94 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 120 Nm | 152 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1148 kg | 1070 kg |
| Vehicle Length | 4540 mm | 4460 mm |
| Vehicle Width | 1620 mm | 1660 mm |
| Vehicle Height | 1510 mm | 1370 mm |
| Wheelbase Size | 2530 mm | 2520 mm |
