1964 Abarth 750 vs. 1955 Armstrong Siddeley Sapphire
To start off, 1964 Abarth 750 is newer by 9 year(s). Which means there will be less support and parts availability for 1955 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1955 Armstrong Siddeley Sapphire would be higher. At 2,309 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1955 Armstrong Siddeley Sapphire (85 HP @ 4400 RPM) has 42 more horse power than 1964 Abarth 750. (43 HP @ 6000 RPM) In normal driving conditions, 1955 Armstrong Siddeley Sapphire should accelerate faster than 1964 Abarth 750. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 825 kg more than 1964 Abarth 750. 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, 1955 Armstrong Siddeley Sapphire (160 Nm @ 1750 RPM) has 103 more torque (in Nm) than 1964 Abarth 750. (57 Nm @ 4500 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1964 Abarth 750.
Compare all specifications:
| 1964 Abarth 750 | 1955 Armstrong Siddeley Sapphire | |
| Make | Abarth | Armstrong Siddeley |
| Model | 750 | Sapphire |
| Year Released | 1964 | 1955 |
| Engine Position | Rear | Front |
| Engine Size | 745 cc | 2309 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 43 HP | 85 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 57 Nm | 160 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Engine Bore Size | 61 mm | 70 mm |
| Engine Stroke Size | 64 mm | 100 mm |
| Engine Compression Ratio | 8.6:1 | 7.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 535 kg | 1360 kg |
| Vehicle Length | 3300 mm | 4580 mm |
| Vehicle Width | 1390 mm | 1730 mm |
| Vehicle Height | 1410 mm | 1570 mm |
| Wheelbase Size | 2010 mm | 2900 mm |
