1978 BMW 628 vs. 1970 Riley 4
To start off, 1978 BMW 628 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 2,997 cc (8 cylinders), 1978 BMW 628 is equipped with a bigger engine. In terms of performance, 1978 BMW 628 (185 HP @ 5800 RPM) has 118 more horse power than 1970 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1978 BMW 628 should accelerate faster than 1970 Riley 4.
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 BMW 628 (260 Nm @ 4000 RPM) has 140 more torque (in Nm) than 1970 Riley 4. (120 Nm @ 2500 RPM). This means 1978 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1970 Riley 4.
Compare all specifications:
| 1978 BMW 628 | 1970 Riley 4 | |
| Make | BMW | Riley |
| Model | 628 | 4 |
| Year Released | 1978 | 1970 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 67 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 260 Nm | 120 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4760 mm | 4540 mm |
| Vehicle Width | 1760 mm | 1620 mm |
| Vehicle Height | 1390 mm | 1510 mm |
| Wheelbase Size | 2640 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 45 L |
