1949 Armstrong Siddeley Whitley vs. 1981 Audi UR
To start off, 1981 Audi UR is newer by 32 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, 1981 Audi UR (197 HP @ 5500 RPM) has 122 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 1981 Audi UR should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 1949 Armstrong Siddeley Whitley weights approximately 180 kg more than 1981 Audi UR.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 1949 Armstrong Siddeley Whitley. In wet, icy, snow, or gravel driving conditions, 1981 Audi UR will offer significantly more control. 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, 1981 Audi UR (285 Nm @ 3500 RPM) has 140 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 1981 Audi UR will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 1981 Audi UR | |
| Make | Armstrong Siddeley | Audi |
| Model | Whitley | UR |
| Year Released | 1949 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 197 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 145 Nm | 285 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 70 mm | 79.5 mm |
| Engine Stroke Size | 100 mm | 86.4 mm |
| Engine Compression Ratio | 6.5:1 | 7.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1430 kg | 1250 kg |
| Vehicle Length | 4710 mm | 4430 mm |
| Vehicle Width | 1730 mm | 1690 mm |
| Vehicle Height | 1610 mm | 1360 mm |
| Wheelbase Size | 2930 mm | 2530 mm |
