1958 Armstrong Siddeley Star Sapphire vs. 2005 Lexus IS
To start off, 2005 Lexus IS is newer by 47 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 2005 Lexus IS (201 HP @ 5600 RPM) has 56 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2005 Lexus IS should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 238 kg more than 2005 Lexus IS.
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, 1958 Armstrong Siddeley Star Sapphire (312 Nm @ 2000 RPM) has 2 more torque (in Nm) than 2005 Lexus IS. (310 Nm @ 3800 RPM). This means 1958 Armstrong Siddeley Star Sapphire will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus IS.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2005 Lexus IS | |
| Make | Armstrong Siddeley | Lexus |
| Model | Star Sapphire | IS |
| Year Released | 1958 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 201 HP |
| Engine RPM | 4250 RPM | 5600 RPM |
| Torque | 312 Nm | 310 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 97.1 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 7.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1778 kg | 1540 kg |
| Vehicle Length | 4940 mm | 4510 mm |
| Vehicle Width | 1890 mm | 1730 mm |
| Vehicle Height | 1580 mm | 1440 mm |
| Wheelbase Size | 2900 mm | 2680 mm |
| Fuel Tank Capacity | 72 L | 66 L |
