1957 Armstrong Siddeley Sapphire vs. 2013 Lexus RX
To start off, 2013 Lexus RX is newer by 56 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 2,309 cc (6 cylinders), 1957 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2013 Lexus RX (266 HP @ 6200 RPM) has 181 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2013 Lexus RX should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2013 Lexus RX weights approximately 610 kg more than 1957 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Lexus RX is all wheel drive (AWD), it will have significant more traction and grip than 1957 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2013 Lexus RX 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 Lexus RX (336 Nm @ 4700 RPM) has 175 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 2013 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 2013 Lexus RX | |
| Make | Armstrong Siddeley | Lexus |
| Model | Sapphire | RX |
| Year Released | 1957 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 211 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | electric |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 266 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Torque | 161 Nm | 336 Nm |
| Torque RPM | 1750 RPM | 4700 RPM |
| Engine Bore Size | 70 mm | 94 mm |
| Engine Stroke Size | 100 mm | 83 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1970 kg |
| Vehicle Length | 4580 mm | 4770 mm |
| Vehicle Width | 1750 mm | 1885 mm |
| Vehicle Height | 1570 mm | 1695 mm |
| Wheelbase Size | 2900 mm | 2740 mm |
