1964 Alfa Romeo Giulia vs. 1955 Armstrong Siddeley Sapphire
To start off, 1964 Alfa Romeo Giulia 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, 1964 Alfa Romeo Giulia (105 HP @ 6200 RPM) has 20 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM). In normal driving conditions, 1964 Alfa Romeo Giulia should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 390 kg more than 1964 Alfa Romeo Giulia.
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 27 more torque (in Nm) than 1964 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1964 Alfa Romeo Giulia.
Compare all specifications:
| 1964 Alfa Romeo Giulia | 1955 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | Giulia | Sapphire |
| Year Released | 1964 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2309 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 85 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 133 Nm | 160 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Engine Bore Size | 78.1 mm | 70 mm |
| Engine Stroke Size | 82 mm | 100 mm |
| Engine Compression Ratio | 9.0:1 | 7.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 970 kg | 1360 kg |
| Vehicle Length | 4130 mm | 4580 mm |
| Vehicle Width | 1670 mm | 1730 mm |
| Vehicle Height | 1250 mm | 1570 mm |
| Wheelbase Size | 2260 mm | 2900 mm |
