1955 Armstrong Siddeley Sapphire vs. 1975 Cadillac Eldorado
To start off, 1975 Cadillac Eldorado is newer by 20 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 8,192 cc (8 cylinders), 1975 Cadillac Eldorado is equipped with a bigger engine. In terms of performance, 1975 Cadillac Eldorado (180 HP @ 3600 RPM) has 55 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1975 Cadillac Eldorado should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1975 Cadillac Eldorado weights approximately 486 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.
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, 1975 Cadillac Eldorado, 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, 1975 Cadillac Eldorado (487 Nm @ 2000 RPM) has 240 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1975 Cadillac Eldorado 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 | 1975 Cadillac Eldorado | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | Eldorado |
| Year Released | 1955 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 8192 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 180 HP |
| Engine RPM | 4700 RPM | 3600 RPM |
| Torque | 247 Nm | 487 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 90 mm | 109.2 mm |
| Engine Stroke Size | 90 mm | 109.3 mm |
| Drive Type | Rear | Front |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 2316 kg |
| Vehicle Length | 5390 mm | 5700 mm |
| Vehicle Width | 1840 mm | 2030 mm |
| Vehicle Height | 1680 mm | 1380 mm |
| Wheelbase Size | 3380 mm | 3210 mm |
