1955 Armstrong Siddeley Sapphire vs. 1955 Sunbeam Alpine
To start off, both 1955 Armstrong Siddeley Sapphire and 1955 Sunbeam Alpine were released in the same year (1955). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 5 more horse power than 1955 Sunbeam Alpine. (80 HP @ 4200 RPM). In normal driving conditions, 1955 Armstrong Siddeley Sapphire should accelerate faster than 1955 Sunbeam Alpine. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 60 kg more than 1955 Sunbeam Alpine. 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 Sunbeam Alpine (163 Nm @ 2400 RPM) has 3 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1955 Sunbeam Alpine will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1955 Sunbeam Alpine | |
| Make | Armstrong Siddeley | Sunbeam |
| Model | Sapphire | Alpine |
| Year Released | 1955 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2267 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 80 HP |
| Engine RPM | 4400 RPM | 4200 RPM |
| Torque | 160 Nm | 163 Nm |
| Torque RPM | 1750 RPM | 2400 RPM |
| Engine Compression Ratio | 7.5:1 | 7.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1300 kg |
| Vehicle Length | 4580 mm | 4280 mm |
| Vehicle Width | 1730 mm | 1590 mm |
| Vehicle Height | 1570 mm | 1480 mm |
| Wheelbase Size | 2900 mm | 2480 mm |
