1986 BMW M6 vs. 1969 Riley 4
To start off, 1986 BMW M6 is newer by 17 year(s). Which means there will be less support and parts availability for 1969 Riley 4. In addition, the cost of maintenance, including insurance, on 1969 Riley 4 would be higher. At 3,453 cc (6 cylinders), 1986 BMW M6 is equipped with a bigger engine. In terms of performance, 1986 BMW M6 (282 HP) has 215 more horse power than 1969 Riley 4. (67 HP). In normal driving conditions, 1986 BMW M6 should accelerate faster than 1969 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW M6 weights approximately 357 kg more than 1969 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, 1986 BMW M6 (335 Nm @ 4500 RPM) has 214 more torque (in Nm) than 1969 Riley 4. (121 Nm @ 2500 RPM). This means 1986 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1969 Riley 4.
Compare all specifications:
| 1986 BMW M6 | 1969 Riley 4 | |
| Make | BMW | Riley |
| Model | M6 | 4 |
| Year Released | 1986 | 1969 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 282 HP | 67 HP |
| Torque | 335 Nm | 121 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 93.4 mm | 76.2 mm |
| Engine Stroke Size | 84 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 | 1505 kg | 1148 kg |
| Vehicle Length | 4760 mm | 4540 mm |
| Vehicle Width | 1730 mm | 1620 mm |
| Vehicle Height | 1360 mm | 1530 mm |
| Wheelbase Size | 2630 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 45 L |
