1958 Armstrong Siddeley Star Sapphire vs. 1950 Austin A 40
To start off, 1958 Armstrong Siddeley Star Sapphire is newer by 8 year(s). Which means there will be less support and parts availability for 1950 Austin A 40. In addition, the cost of maintenance, including insurance, on 1950 Austin A 40 would be higher. At 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 1958 Armstrong Siddeley Star Sapphire (145 HP @ 4250 RPM) has 96 more horse power than 1950 Austin A 40. (49 HP @ 4800 RPM). In normal driving conditions, 1958 Armstrong Siddeley Star Sapphire should accelerate faster than 1950 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 812 kg more than 1950 Austin A 40. 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, 1958 Armstrong Siddeley Star Sapphire (312 Nm @ 2000 RPM) has 228 more torque (in Nm) than 1950 Austin A 40. (84 Nm @ 2400 RPM). This means 1958 Armstrong Siddeley Star Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1950 Austin A 40.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 1950 Austin A 40 | |
| Make | Armstrong Siddeley | Austin |
| Model | Star Sapphire | A 40 |
| Year Released | 1958 | 1950 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 1200 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 49 HP |
| Engine RPM | 4250 RPM | 4800 RPM |
| Torque | 312 Nm | 84 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Engine Bore Size | 97.1 mm | 65.5 mm |
| Engine Stroke Size | 90 mm | 89 mm |
| Engine Compression Ratio | 7.5:1 | 7.2:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1778 kg | 966 kg |
| Vehicle Length | 4940 mm | 4060 mm |
| Vehicle Width | 1890 mm | 1560 mm |
| Vehicle Height | 1580 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2360 mm |
| Fuel Tank Capacity | 72 L | 34 L |
