1957 AC Ace vs. 1953 Armstrong Siddeley Sapphire
To start off, 1957 AC Ace is newer by 4 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 3,435 cc (6 cylinders), 1953 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1953 Armstrong Siddeley Sapphire (125 HP @ 4400 RPM) has 51 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1953 Armstrong Siddeley Sapphire should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1953 Armstrong Siddeley Sapphire weights approximately 685 kg more than 1957 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1957 AC Ace | 1953 Armstrong Siddeley Sapphire | |
| Make | AC | Armstrong Siddeley |
| Model | Ace | Sapphire |
| Year Released | 1957 | 1953 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 3435 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 125 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 890 kg | 1575 kg |
| Vehicle Length | 3850 mm | 4910 mm |
| Vehicle Width | 1520 mm | 1840 mm |
| Vehicle Height | 1250 mm | 1610 mm |
| Wheelbase Size | 2290 mm | 2900 mm |
| Fuel Tank Capacity | 59 L | 72 L |
