1955 Armstrong Siddeley Sapphire vs. 1969 Pontiac Grand Prix
To start off, 1969 Pontiac Grand Prix is newer by 14 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 7,460 cc (8 cylinders), 1969 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 1969 Pontiac Grand Prix (256 HP @ 4000 RPM) has 171 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1969 Pontiac Grand Prix should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1969 Pontiac Grand Prix weights approximately 445 kg more than 1955 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, 1969 Pontiac Grand Prix (515 Nm @ 2800 RPM) has 355 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1969 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1969 Pontiac Grand Prix | |
| Make | Armstrong Siddeley | Pontiac |
| Model | Sapphire | Grand Prix |
| Year Released | 1955 | 1969 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 7460 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 256 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 160 Nm | 515 Nm |
| Torque RPM | 1750 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1805 kg |
| Vehicle Length | 4580 mm | 5350 mm |
| Vehicle Width | 1730 mm | 1930 mm |
| Vehicle Height | 1570 mm | 1330 mm |
| Wheelbase Size | 2900 mm | 3000 mm |
