1953 Armstrong Siddeley Sapphire vs. 1975 Cadillac Calais
To start off, 1975 Cadillac Calais is newer by 22 year(s). Which means there will be less support and parts availability for 1953 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1953 Armstrong Siddeley Sapphire would be higher. At 8,192 cc (8 cylinders), 1975 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1975 Cadillac Calais (180 HP @ 4400 RPM) has 55 more horse power than 1953 Armstrong Siddeley Sapphire. (125 HP @ 4400 RPM) In normal driving conditions, 1975 Cadillac Calais should accelerate faster than 1953 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1975 Cadillac Calais weights approximately 730 kg more than 1953 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1953 Armstrong Siddeley Sapphire | 1975 Cadillac Calais | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Sapphire | Calais |
| Year Released | 1953 | 1975 |
| Body Type | Sedan | Sedan |
| 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 | 4400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1575 kg | 2305 kg |
| Vehicle Length | 4910 mm | 5880 mm |
| Wheelbase Size | 2900 mm | 3310 mm |
