1978 Buick Regal vs. 1970 Riley 4
To start off, 1978 Buick Regal is newer by 8 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 3,214 cc (6 cylinders), 1978 Buick Regal is equipped with a bigger engine. In terms of performance, 1978 Buick Regal (90 HP @ 3600 RPM) has 23 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1978 Buick Regal should accelerate faster than 1970 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1978 Buick Regal weights approximately 282 kg more than 1970 Riley 4. 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, 1978 Buick Regal (224 Nm @ 2000 RPM) has 104 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1978 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1978 Buick Regal | 1970 Riley 4 | |
| Make | Buick | Riley |
| Model | Regal | 4 |
| Year Released | 1978 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 3214 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 67 HP |
| Engine RPM | 3600 RPM | 5000 RPM |
| Torque | 224 Nm | 120 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1148 kg |
| Vehicle Length | 5090 mm | 4540 mm |
| Vehicle Width | 1840 mm | 1620 mm |
| Vehicle Height | 1370 mm | 1510 mm |
| Wheelbase Size | 2750 mm | 2530 mm |
