1955 Armstrong Siddeley Sapphire vs. 1968 Cadillac DeVille
To start off, 1968 Cadillac DeVille is newer by 13 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 7,734 cc (8 cylinders), 1968 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1968 Cadillac DeVille (228 HP @ 4400 RPM) has 103 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1968 Cadillac DeVille should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1968 Cadillac DeVille weights approximately 225 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. 1968 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. 1968 Cadillac DeVille will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1968 Cadillac DeVille | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | DeVille |
| Year Released | 1955 | 1968 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 7734 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 228 HP |
| Engine RPM | 4700 RPM | 4400 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 2055 kg |
| Vehicle Length | 5390 mm | 5720 mm |
| Vehicle Width | 1840 mm | 2030 mm |
| Vehicle Height | 1680 mm | 1390 mm |
| Wheelbase Size | 3380 mm | 3300 mm |
| Fuel Tank Capacity | 72 L | 98 L |
