1955 Armstrong Siddeley Sapphire vs. 1991 Cadillac DeVille
To start off, 1991 Cadillac DeVille is newer by 36 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 4,894 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1991 Cadillac DeVille (197 HP @ 4100 RPM) has 72 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1991 Cadillac DeVille should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 220 kg more than 1991 Cadillac DeVille.
Because 1955 Armstrong Siddeley Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1955 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 1991 Cadillac DeVille, being front wheel drive (FWD), will offer much better control with better grip. 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, 1991 Cadillac DeVille (373 Nm @ 3000 RPM) has 126 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1991 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 1991 Cadillac DeVille has automatic transmission and 1955 Armstrong Siddeley Sapphire has manual transmission. 1955 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Cadillac DeVille will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1991 Cadillac DeVille | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | DeVille |
| Year Released | 1955 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 4894 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 197 HP |
| Engine RPM | 4700 RPM | 4100 RPM |
| Torque | 247 Nm | 373 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 90 mm | 92 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Vehicle Weight | 1830 kg | 1610 kg |
| Vehicle Length | 5390 mm | 5160 mm |
| Vehicle Width | 1840 mm | 1850 mm |
| Vehicle Height | 1680 mm | 1400 mm |
| Wheelbase Size | 3380 mm | 2820 mm |
