1955 Armstrong Siddeley Sapphire vs. 2002 Opel Omega
To start off, 2002 Opel Omega is newer by 47 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 2,497 cc (6 cylinders), 2002 Opel Omega is equipped with a bigger engine. In terms of performance, 2002 Opel Omega (148 HP @ 4000 RPM) has 63 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2002 Opel Omega should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Omega weights approximately 300 kg more than 1955 Armstrong Siddeley Sapphire. 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, 2002 Opel Omega (300 Nm @ 1700 RPM) has 140 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2002 Opel Omega 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 | 2002 Opel Omega | |
| Make | Armstrong Siddeley | Opel |
| Model | Sapphire | Omega |
| Year Released | 1955 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 160 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 1700 RPM |
| Engine Bore Size | 70 mm | 80.1 mm |
| Engine Stroke Size | 100 mm | 82.8 mm |
| Engine Compression Ratio | 7.5:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1660 kg |
| Vehicle Length | 4580 mm | 4900 mm |
| Vehicle Width | 1730 mm | 1790 mm |
| Vehicle Height | 1570 mm | 1510 mm |
| Wheelbase Size | 2900 mm | 2740 mm |
