1955 Armstrong Siddeley Sapphire vs. 2013 Infiniti FX
To start off, 2013 Infiniti FX is newer by 58 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 3,696 cc (6 cylinders), 2013 Infiniti FX is equipped with a bigger engine. In terms of performance, 2013 Infiniti FX (385 HP @ 6500 RPM) has 300 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2013 Infiniti FX should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti FX weights approximately 707 kg more than 1955 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 FX is all wheel drive (AWD), it will have significant more traction and grip than 1955 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti FX 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 FX (500 Nm @ 4400 RPM) has 340 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2013 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2013 Infiniti FX has automatic transmission and 1955 Armstrong Siddeley Sapphire has manual transmission. 1955 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2013 Infiniti FX | |
| Make | Armstrong Siddeley | Infiniti |
| Model | Sapphire | FX |
| Year Released | 1955 | 2013 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 385 HP |
| Engine RPM | 4400 RPM | 6500 RPM |
| Torque | 160 Nm | 500 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Engine Bore Size | 70 mm | 95 mm |
| Engine Stroke Size | 100 mm | 87 mm |
| Fuel Type | Gasoline | Natural Gas (CNG) |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 2067 kg |
| Vehicle Length | 4580 mm | 4859 mm |
| Vehicle Width | 1730 mm | 1928 mm |
| Vehicle Height | 1570 mm | 1680 mm |
| Wheelbase Size | 2900 mm | 2885 mm |
