1956 Armstrong Siddeley Sapphire vs. 2008 Lexus IS
To start off, 2008 Lexus IS is newer by 52 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 2,501 cc (6 cylinders), 2008 Lexus IS is equipped with a bigger engine. In terms of performance, 2008 Lexus IS (204 HP @ 6400 RPM) has 119 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2008 Lexus IS should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2008 Lexus IS weights approximately 380 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 2008 Lexus IS is four wheel drive (4WD), it will have significant more traction and grip than 1956 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2008 Lexus IS 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, 2008 Lexus IS (251 Nm @ 4800 RPM) has 91 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2008 Lexus IS 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 | 2008 Lexus IS | |
| Make | Armstrong Siddeley | Lexus |
| Model | Sapphire | IS |
| Year Released | 1956 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 2501 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 204 HP |
| Engine RPM | 4400 RPM | 6400 RPM |
| Torque | 160 Nm | 251 Nm |
| Torque RPM | 1750 RPM | 4800 RPM |
| Engine Compression Ratio | 7.5:1 | 12.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1740 kg |
| Vehicle Length | 4580 mm | 4580 mm |
| Vehicle Width | 1730 mm | 1810 mm |
| Vehicle Height | 1570 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2740 mm |
