1955 Armstrong Siddeley Sapphire vs. 1988 Opel Vectra
To start off, 1988 Opel Vectra is newer by 33 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 12 more horse power than 1988 Opel Vectra. (73 HP @ 5600 RPM). In normal driving conditions, 1955 Armstrong Siddeley Sapphire should accelerate faster than 1988 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 385 kg more than 1988 Opel Vectra. 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, 1988 Opel Vectra, 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 52 more torque (in Nm) than 1988 Opel Vectra. (108 Nm @ 3000 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1988 Opel Vectra.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1988 Opel Vectra | |
| Make | Armstrong Siddeley | Opel |
| Model | Sapphire | Vectra |
| Year Released | 1955 | 1988 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 73 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 160 Nm | 108 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Compression Ratio | 7.5:1 | 9.4:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 975 kg |
| Vehicle Length | 4580 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1710 mm |
| Vehicle Height | 1570 mm | 1400 mm |
| Wheelbase Size | 2900 mm | 2530 mm |
