1976 BMW 633 vs. 1968 Riley 4
To start off, 1976 BMW 633 is newer by 8 year(s). Which means there will be less support and parts availability for 1968 Riley 4. In addition, the cost of maintenance, including insurance, on 1968 Riley 4 would be higher. At 3,210 cc (6 cylinders), 1976 BMW 633 is equipped with a bigger engine. In terms of performance, 1976 BMW 633 (194 HP) has 127 more horse power than 1968 Riley 4. (67 HP). In normal driving conditions, 1976 BMW 633 should accelerate faster than 1968 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1976 BMW 633 weights approximately 322 kg more than 1968 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.
Compare all specifications:
| 1976 BMW 633 | 1968 Riley 4 | |
| Make | BMW | Riley |
| Model | 633 | 4 |
| Year Released | 1976 | 1968 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 194 HP | 67 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1148 kg |
| Vehicle Length | 4760 mm | 4540 mm |
| Vehicle Width | 1730 mm | 1620 mm |
| Vehicle Height | 1370 mm | 1530 mm |
| Wheelbase Size | 2640 mm | 2530 mm |
