1958 Armstrong Siddeley Star Sapphire vs. 1957 Holden FJ
To start off, 1958 Armstrong Siddeley Star Sapphire is newer by 1 year(s). Which means there will be less support and parts availability for 1957 Holden FJ. In addition, the cost of maintenance, including insurance, on 1957 Holden FJ would be higher. At 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 1958 Armstrong Siddeley Star Sapphire (145 HP) has 86 more horse power than 1957 Holden FJ. (59 HP). In normal driving conditions, 1958 Armstrong Siddeley Star Sapphire should accelerate faster than 1957 Holden FJ. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 778 kg more than 1957 Holden FJ. 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 | 1957 Holden FJ | |
| Make | Armstrong Siddeley | Holden |
| Model | Star Sapphire | FJ |
| Year Released | 1958 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 2150 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 59 HP |
| Vehicle Weight | 1778 kg | 1000 kg |
| Vehicle Length | 4940 mm | 4410 mm |
| Vehicle Width | 1890 mm | 1710 mm |
| Wheelbase Size | 2900 mm | 2620 mm |
