1956 Armstrong Siddeley Sapphire vs. 2005 Cadillac STS
To start off, 2005 Cadillac STS is newer by 49 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 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (255 HP @ 6500 RPM) has 170 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2005 Cadillac STS should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 436 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, 2005 Cadillac STS (339 Nm @ 3200 RPM) has 179 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire. 2005 Cadillac STS has automatic transmission and 1956 Armstrong Siddeley Sapphire has manual transmission. 1956 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2005 Cadillac STS | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | STS |
| Year Released | 1956 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 3556 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 255 HP |
| Engine RPM | 4400 RPM | 6500 RPM |
| Torque | 160 Nm | 339 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 70 mm | 94 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Engine Compression Ratio | 7.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1796 kg |
| Vehicle Length | 4580 mm | 4990 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1570 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2890 mm |
