1983 Bentley Mulsanne vs. 1966 Riley 4
To start off, 1983 Bentley Mulsanne is newer by 17 year(s). Which means there will be less support and parts availability for 1966 Riley 4. In addition, the cost of maintenance, including insurance, on 1966 Riley 4 would be higher. At 6,750 cc (8 cylinders), 1983 Bentley Mulsanne is equipped with a bigger engine. In terms of performance, 1983 Bentley Mulsanne (328 HP) has 261 more horse power than 1966 Riley 4. (67 HP). In normal driving conditions, 1983 Bentley Mulsanne should accelerate faster than 1966 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1983 Bentley Mulsanne weights approximately 1102 kg more than 1966 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, 1983 Bentley Mulsanne (610 Nm @ 2450 RPM) has 488 more torque (in Nm) than 1966 Riley 4. (122 Nm @ 2500 RPM). This means 1983 Bentley Mulsanne will have an easier job in driving up hills or pulling heavy equipment than 1966 Riley 4.
Compare all specifications:
| 1983 Bentley Mulsanne | 1966 Riley 4 | |
| Make | Bentley | Riley |
| Model | Mulsanne | 4 |
| Year Released | 1983 | 1966 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6750 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 67 HP |
| Torque | 610 Nm | 122 Nm |
| Torque RPM | 2450 RPM | 2500 RPM |
| Engine Bore Size | 104.1 mm | 76.2 mm |
| Engine Stroke Size | 99.1 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2250 kg | 1148 kg |
| Vehicle Length | 5320 mm | 4540 mm |
| Vehicle Width | 1900 mm | 1620 mm |
| Vehicle Height | 1490 mm | 1530 mm |
| Wheelbase Size | 3070 mm | 2530 mm |
| Fuel Tank Capacity | 106 L | 45 L |
