1956 Armstrong Siddeley Sapphire vs. 1982 Pontiac Firebird
To start off, 1982 Pontiac Firebird is newer by 26 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 2,838 cc (6 cylinders), 1982 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1982 Pontiac Firebird (106 HP @ 4800 RPM) has 21 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1982 Pontiac Firebird 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 24 kg more than 1982 Pontiac Firebird.
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, 1982 Pontiac Firebird (196 Nm @ 2400 RPM) has 36 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1982 Pontiac Firebird 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 | 1982 Pontiac Firebird | |
| Make | Armstrong Siddeley | Pontiac |
| Model | Sapphire | Firebird |
| Year Released | 1956 | 1982 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2838 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 106 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Torque | 160 Nm | 196 Nm |
| Torque RPM | 1750 RPM | 2400 RPM |
| Engine Bore Size | 70 mm | 89 mm |
| Engine Stroke Size | 100 mm | 76.2 mm |
| Engine Compression Ratio | 7.5:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1336 kg |
| Vehicle Length | 4580 mm | 4780 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1570 mm | 1270 mm |
| Wheelbase Size | 2900 mm | 2570 mm |
