1956 Armstrong Siddeley Sapphire vs. 1977 Pontiac Firebird
To start off, 1977 Pontiac Firebird is newer by 21 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 4,942 cc (8 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Pontiac Firebird (200 HP @ 4000 RPM) has 115 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1977 Pontiac Firebird should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Firebird weights approximately 225 kg more than 1956 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, 1977 Pontiac Firebird (459 Nm @ 2000 RPM) has 299 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1977 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 | 1977 Pontiac Firebird | |
Make | Armstrong Siddeley | Pontiac |
Model | Sapphire | Firebird |
Year Released | 1956 | 1977 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2307 cc | 4942 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 85 HP | 200 HP |
Engine RPM | 4400 RPM | 4000 RPM |
Torque | 160 Nm | 459 Nm |
Torque RPM | 1750 RPM | 2000 RPM |
Engine Bore Size | 70 mm | 101.6 mm |
Engine Stroke Size | 100 mm | 76.2 mm |
Engine Compression Ratio | 7.5:1 | 7.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1360 kg | 1585 kg |
Vehicle Length | 4580 mm | 4880 mm |
Vehicle Width | 1730 mm | 1870 mm |
Vehicle Height | 1570 mm | 1290 mm |
Wheelbase Size | 2900 mm | 2750 mm |