1950 Alfa Romeo GP 158 vs. 1956 Armstrong Siddeley Sapphire
To start off, 1956 Armstrong Siddeley Sapphire is newer by 6 year(s). Which means there will be less support and parts availability for 1950 Alfa Romeo GP 158. In addition, the cost of maintenance, including insurance, on 1950 Alfa Romeo GP 158 would be higher. At 2,290 cc (6 cylinders), 1956 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1950 Alfa Romeo GP 158 (346 HP @ 8500 RPM) has 228 more horse power than 1956 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM). In normal driving conditions, 1950 Alfa Romeo GP 158 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 950 kg more than 1950 Alfa Romeo GP 158.
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.
Compare all specifications:
| 1950 Alfa Romeo GP 158 | 1956 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | GP 158 | Sapphire |
| Year Released | 1950 | 1956 |
| Engine Size | 1479 cc | 2290 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 346 HP | 118 HP |
| Engine RPM | 8500 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 700 kg | 1650 kg |
| Wheelbase Size | 2510 mm | 2900 mm |
