1958 Armstrong Siddeley Star Sapphire vs. 1958 Cadillac 62
To start off, both 1958 Armstrong Siddeley Star Sapphire and 1958 Cadillac 62 were released in the same year (1958). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,980 cc (8 cylinders), 1958 Cadillac 62 is equipped with a bigger engine. In terms of performance, 1958 Cadillac 62 (189 HP @ 4800 RPM) has 44 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 1958 Cadillac 62 should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1958 Cadillac 62 weights approximately 317 kg more than 1958 Armstrong Siddeley Star Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 1958 Cadillac 62 | |
| Make | Armstrong Siddeley | Cadillac |
| Model | Star Sapphire | 62 |
| Year Released | 1958 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 5980 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 189 HP |
| Engine RPM | 4250 RPM | 4800 RPM |
| Vehicle Weight | 1778 kg | 2095 kg |
| Vehicle Length | 4940 mm | 5640 mm |
| Wheelbase Size | 2900 mm | 3300 mm |
