1986 Alfa Romeo 75 vs. 1957 Armstrong Siddeley Sapphire
To start off, 1986 Alfa Romeo 75 is newer by 29 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 2,309 cc (6 cylinders), 1957 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5800 RPM) has 68 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1957 Armstrong Siddeley Sapphire weights approximately 154 kg more than 1986 Alfa Romeo 75.
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, 1986 Alfa Romeo 75 (230 Nm @ 2600 RPM) has 69 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1957 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | 75 | Sapphire |
| Year Released | 1986 | 1957 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2309 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 153 HP | 85 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 230 Nm | 161 Nm |
| Torque RPM | 2600 RPM | 1750 RPM |
| Engine Bore Size | 80 mm | 70 mm |
| Engine Stroke Size | 88.5 mm | 100 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1206 kg | 1360 kg |
| Vehicle Length | 4340 mm | 4580 mm |
| Vehicle Width | 1640 mm | 1750 mm |
| Vehicle Height | 1360 mm | 1570 mm |
| Wheelbase Size | 2460 mm | 2900 mm |
| Fuel Tank Capacity | 68 L | 72 L |
