1953 Armstrong Siddeley Sapphire vs. 1973 Pontiac Firebird
To start off, 1973 Pontiac Firebird is newer by 20 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 4,092 cc (6 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1953 Armstrong Siddeley Sapphire (125 HP @ 4400 RPM) has 17 more horse power than 1973 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 1953 Armstrong Siddeley Sapphire should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 105 kg more than 1973 Pontiac Firebird. 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, 1953 Armstrong Siddeley Sapphire (239 Nm @ 1000 RPM) has 2 more torque (in Nm) than 1973 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 1953 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 1973 Pontiac Firebird | |
| Make | Armstrong Siddeley | Pontiac |
| Model | Sapphire | Firebird |
| Year Released | 1953 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 4092 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 108 HP |
| Engine RPM | 4400 RPM | 3600 RPM |
| Torque | 239 Nm | 237 Nm |
| Torque RPM | 1000 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1470 kg |
| Vehicle Length | 4910 mm | 4880 mm |
| Vehicle Width | 1840 mm | 1870 mm |
| Vehicle Height | 1610 mm | 1290 mm |
| Wheelbase Size | 2900 mm | 2750 mm |
