1955 Armstrong Siddeley Sapphire vs. 1983 Mazda RX-7
To start off, 1983 Mazda RX-7 is newer by 28 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, 1983 Mazda RX-7 (105 HP @ 6000 RPM) has 20 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1983 Mazda RX-7 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 300 kg more than 1983 Mazda RX-7.
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 Armstrong Siddeley Sapphire (160 Nm @ 1750 RPM) has 15 more torque (in Nm) than 1983 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1983 Mazda RX-7.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1983 Mazda RX-7 | |
| Make | Armstrong Siddeley | Mazda |
| Model | Sapphire | RX-7 |
| Year Released | 1955 | 1983 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 85 HP | 105 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 160 Nm | 145 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1060 kg |
| Vehicle Length | 4580 mm | 4290 mm |
| Vehicle Width | 1730 mm | 1680 mm |
| Vehicle Height | 1570 mm | 1270 mm |
| Wheelbase Size | 2900 mm | 2430 mm |
