1956 Armstrong Siddeley Sapphire vs. 2013 Infiniti M
To start off, 2013 Infiniti M is newer by 57 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 3,696 cc (4 cylinders), 2013 Infiniti M is equipped with a bigger engine. In terms of performance, 2013 Infiniti M (325 HP @ 7000 RPM) has 240 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2013 Infiniti M should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti M weights approximately 455 kg more than 1956 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Infiniti M is all wheel drive (AWD), it will have significant more traction and grip than 1956 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti M will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Infiniti M (366 Nm @ 5200 RPM) has 206 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2013 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2013 Infiniti M | |
| Make | Armstrong Siddeley | Infiniti |
| Model | Sapphire | M |
| Year Released | 1956 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 325 HP |
| Engine RPM | 4400 RPM | 7000 RPM |
| Torque | 160 Nm | 366 Nm |
| Torque RPM | 1750 RPM | 5200 RPM |
| Engine Bore Size | 70 mm | 95 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1815 kg |
| Vehicle Length | 4580 mm | 4945 mm |
| Vehicle Width | 1730 mm | 1845 mm |
| Vehicle Height | 1570 mm | 1515 mm |
| Wheelbase Size | 2900 mm | 2900 mm |
