1949 Armstrong Siddeley Whitley vs. 1957 Riley 1.5
To start off, 1957 Riley 1.5 is newer by 8 year(s). Which means there will be less support and parts availability for 1949 Armstrong Siddeley Whitley. In addition, the cost of maintenance, including insurance, on 1949 Armstrong Siddeley Whitley would be higher. At 2,309 cc (6 cylinders), 1949 Armstrong Siddeley Whitley is equipped with a bigger engine. In terms of performance, 1949 Armstrong Siddeley Whitley (75 HP @ 4200 RPM) has 12 more horse power than 1957 Riley 1.5. (63 HP @ 5000 RPM). In normal driving conditions, 1949 Armstrong Siddeley Whitley should accelerate faster than 1957 Riley 1.5. With that said, vehicle weight also plays an important factor in acceleration. 1949 Armstrong Siddeley Whitley weights approximately 495 kg more than 1957 Riley 1.5. 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, 1949 Armstrong Siddeley Whitley (145 Nm @ 3000 RPM) has 33 more torque (in Nm) than 1957 Riley 1.5. (112 Nm @ 2500 RPM). This means 1949 Armstrong Siddeley Whitley will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 1.5.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 1957 Riley 1.5 | |
| Make | Armstrong Siddeley | Riley |
| Model | Whitley | 1.5 |
| Year Released | 1949 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1489 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 63 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 145 Nm | 112 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 70 mm | 73 mm |
| Engine Stroke Size | 100 mm | 88.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 935 kg |
| Vehicle Length | 4710 mm | 3890 mm |
| Vehicle Width | 1730 mm | 1560 mm |
| Vehicle Height | 1610 mm | 1510 mm |
| Wheelbase Size | 2930 mm | 2190 mm |
