1974 Alfa Romeo Alfasud vs. 1955 Armstrong Siddeley Sapphire
To start off, 1974 Alfa Romeo Alfasud is newer by 19 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 19 more horse power than 1974 Alfa Romeo Alfasud. (66 HP @ 6000 RPM) In normal driving conditions, 1955 Armstrong Siddeley Sapphire should accelerate faster than 1974 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 522 kg more than 1974 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1955 Armstrong Siddeley Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1955 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 1974 Alfa Romeo Alfasud, being front wheel drive (FWD), will offer much better control with better grip. 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 69 more torque (in Nm) than 1974 Alfa Romeo Alfasud. (91 Nm @ 3200 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1974 Alfa Romeo Alfasud.
Compare all specifications:
| 1974 Alfa Romeo Alfasud | 1955 Armstrong Siddeley Sapphire | |
| Make | Alfa Romeo | Armstrong Siddeley |
| Model | Alfasud | Sapphire |
| Year Released | 1974 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1185 cc | 2309 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 66 HP | 85 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 91 Nm | 160 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 80 mm | 70 mm |
| Engine Stroke Size | 59 mm | 100 mm |
| Engine Compression Ratio | 9.0:1 | 7.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 838 kg | 1360 kg |
| Vehicle Length | 4030 mm | 4580 mm |
| Vehicle Width | 1620 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1570 mm |
| Wheelbase Size | 2460 mm | 2900 mm |
