1955 Armstrong Siddeley Sapphire vs. 2010 Lexus IS
To start off, 2010 Lexus IS is newer by 55 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 2,500 cc (6 cylinders), 2010 Lexus IS is equipped with a bigger engine. In terms of performance, 2010 Lexus IS (204 HP @ 6400 RPM) has 119 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2010 Lexus IS should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2010 Lexus IS weights approximately 207 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2010 Lexus IS (251 Nm @ 4800 RPM) has 91 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2010 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 2010 Lexus IS 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. 2010 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2010 Lexus IS | |
| Make | Armstrong Siddeley | Lexus |
| Model | Sapphire | IS |
| Year Released | 1955 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2500 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 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1567 kg |
| Vehicle Length | 4580 mm | 4585 mm |
| Vehicle Width | 1730 mm | 1801 mm |
| Vehicle Height | 1570 mm | 1440 mm |
| Wheelbase Size | 2900 mm | 2731 mm |
