1956 Armstrong Siddeley Sapphire vs. 1983 Opel Monza
To start off, 1983 Opel Monza is newer by 27 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 2,307 cc (6 cylinders), 1956 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1983 Opel Monza (114 HP @ 4800 RPM) has 29 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1983 Opel Monza 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 34 kg more than 1983 Opel Monza.
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, 1983 Opel Monza (186 Nm @ 2800 RPM) has 26 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1983 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1983 Opel Monza | |
| Make | Armstrong Siddeley | Opel |
| Model | Sapphire | Monza |
| Year Released | 1956 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 114 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Torque | 160 Nm | 186 Nm |
| Torque RPM | 1750 RPM | 2800 RPM |
| Engine Bore Size | 70 mm | 95 mm |
| Engine Stroke Size | 100 mm | 77.5 mm |
| Engine Compression Ratio | 7.5:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1360 kg | 1326 kg |
| Vehicle Length | 4580 mm | 4700 mm |
| Vehicle Width | 1730 mm | 1740 mm |
| Vehicle Height | 1570 mm | 1390 mm |
| Wheelbase Size | 2900 mm | 2670 mm |
