2005 BMW M6 vs. 1969 Riley 4
To start off, 2005 BMW M6 is newer by 36 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 4,998 cc (10 cylinders), 2005 BMW M6 is equipped with a bigger engine. In terms of performance, 2005 BMW M6 (500 HP) has 433 more horse power than 1969 Riley 4. (67 HP). In normal driving conditions, 2005 BMW M6 should accelerate faster than 1969 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M6 weights approximately 637 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, 2005 BMW M6 (500 Nm @ 6100 RPM) has 379 more torque (in Nm) than 1969 Riley 4. (121 Nm @ 2500 RPM). This means 2005 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1969 Riley 4.
Compare all specifications:
| 2005 BMW M6 | 1969 Riley 4 | |
| Make | BMW | Riley |
| Model | M6 | 4 |
| Year Released | 2005 | 1969 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 1622 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 67 HP |
| Torque | 500 Nm | 121 Nm |
| Torque RPM | 6100 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 76.2 mm |
| Engine Stroke Size | 75.2 mm | 88.9 mm |
| Engine Compression Ratio | 12.0:1 | 8.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1785 kg | 1148 kg |
| Vehicle Length | 4880 mm | 4540 mm |
| Vehicle Width | 1860 mm | 1620 mm |
| Vehicle Height | 1380 mm | 1530 mm |
| Wheelbase Size | 2890 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 45 L |
