1955 Armstrong Siddeley Sapphire vs. 1979 Mazda 929
To start off, 1979 Mazda 929 is newer by 24 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 2,309 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1955 Armstrong Siddeley Sapphire (85 HP @ 4400 RPM) has 2 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1955 Armstrong Siddeley Sapphire should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 290 kg more than 1979 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1955 Armstrong Siddeley Sapphire (160 Nm @ 1750 RPM) has 26 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1979 Mazda 929 | |
| Make | Armstrong Siddeley | Mazda |
| Model | Sapphire | 929 |
| Year Released | 1955 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1767 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 83 HP |
| Engine RPM | 4400 RPM | 5000 RPM |
| Torque | 160 Nm | 134 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 70 mm | 80 mm |
| Engine Stroke Size | 100 mm | 88 mm |
| Engine Compression Ratio | 7.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1070 kg |
| Vehicle Length | 4580 mm | 4410 mm |
| Vehicle Width | 1730 mm | 1670 mm |
| Vehicle Height | 1570 mm | 1420 mm |
| Wheelbase Size | 2900 mm | 2520 mm |
