1949 Armstrong Siddeley Whitley vs. 1975 Triumph TR7
To start off, 1975 Triumph TR7 is newer by 26 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, 1975 Triumph TR7 (104 HP @ 5500 RPM) has 29 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 1975 Triumph TR7 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 385 kg more than 1975 Triumph TR7.
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, 1975 Triumph TR7 (161 Nm @ 3500 RPM) has 16 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 1975 Triumph TR7 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 | 1975 Triumph TR7 | |
| Make | Armstrong Siddeley | Triumph |
| Model | Whitley | TR7 |
| Year Released | 1949 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 104 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 145 Nm | 161 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 70 mm | 90.3 mm |
| Engine Stroke Size | 100 mm | 78 mm |
| Engine Compression Ratio | 6.5:1 | 9.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1430 kg | 1045 kg |
| Vehicle Length | 4710 mm | 4070 mm |
| Vehicle Width | 1730 mm | 1690 mm |
| Vehicle Height | 1610 mm | 1270 mm |
| Wheelbase Size | 2930 mm | 2170 mm |
