1955 Armstrong Siddeley Sapphire vs. 1959 Mercedes-Benz W 111
To start off, 1959 Mercedes-Benz W 111 is newer by 4 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, 1959 Mercedes-Benz W 111 (94 HP @ 4800 RPM) has 9 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1959 Mercedes-Benz W 111 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 40 kg more than 1959 Mercedes-Benz W 111.
Let's talk about torque, 1959 Mercedes-Benz W 111 (169 Nm @ 3200 RPM) has 9 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1959 Mercedes-Benz W 111 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1959 Mercedes-Benz W 111 | |
| Make | Armstrong Siddeley | Mercedes-Benz |
| Model | Sapphire | W 111 |
| Year Released | 1955 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2195 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 94 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Torque | 160 Nm | 169 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 70 mm | 93.7 mm |
| Engine Stroke Size | 100 mm | 83.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1360 kg | 1320 kg |
| Vehicle Length | 4580 mm | 4890 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1570 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2760 mm |
