1957 Armstrong Siddeley Sapphire vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS is newer by 51 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 236 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 452 kg more than 1957 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 266 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 2008 Cadillac STS | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | STS |
| Year Released | 1957 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 321 HP |
| Engine RPM | 4400 RPM | 6400 RPM |
| Torque | 161 Nm | 427 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Bore Size | 70 mm | 93 mm |
| Engine Stroke Size | 100 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1812 kg |
| Vehicle Length | 4580 mm | 4990 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1570 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2960 mm |
| Fuel Tank Capacity | 72 L | 66 L |
