1956 Armstrong Siddeley Sapphire vs. 1949 Austin A 90
To start off, 1956 Armstrong Siddeley Sapphire is newer by 7 year(s). Which means there will be less support and parts availability for 1949 Austin A 90. In addition, the cost of maintenance, including insurance, on 1949 Austin A 90 would be higher. At 2,660 cc (4 cylinders), 1949 Austin A 90 is equipped with a bigger engine. In terms of performance, 1949 Austin A 90 (87 HP @ 4000 RPM) has 2 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1949 Austin A 90 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1956 Armstrong Siddeley Sapphire weights approximately 1 kg more than 1949 Austin A 90.
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 Austin A 90 (190 Nm @ 2500 RPM) has 30 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1949 Austin A 90 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1949 Austin A 90 | |
| Make | Armstrong Siddeley | Austin |
| Model | Sapphire | A 90 |
| Year Released | 1956 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2660 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 87 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 160 Nm | 190 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Bore Size | 70 mm | 87.4 mm |
| Engine Stroke Size | 100 mm | 111.1 mm |
| Engine Compression Ratio | 7.5:1 | 7.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1360 kg | 1359 kg |
| Vehicle Length | 4580 mm | 4520 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1570 mm | 1530 mm |
| Wheelbase Size | 2900 mm | 2440 mm |
