2008 Acura RL vs. 1958 Armstrong Siddeley Star Sapphire
To start off, 2008 Acura RL is newer by 50 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, 2008 Acura RL (290 HP @ 6200 RPM) has 145 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM). In normal driving conditions, 2008 Acura RL 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 504 kg more than 2008 Acura RL.
Because 2008 Acura RL is four wheel drive (4WD), it will have significant more traction and grip than 1958 Armstrong Siddeley Star Sapphire. In wet, icy, snow, or gravel driving conditions, 2008 Acura RL 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 Acura RL (347 Nm @ 5000 RPM) has 35 more torque (in Nm) than 1958 Armstrong Siddeley Star Sapphire. (312 Nm @ 2000 RPM). This means 2008 Acura RL will have an easier job in driving up hills or pulling heavy equipment than 1958 Armstrong Siddeley Star Sapphire.
Compare all specifications:
| 2008 Acura RL | 1958 Armstrong Siddeley Star Sapphire | |
| Make | Acura | Armstrong Siddeley |
| Model | RL | Star Sapphire |
| Year Released | 2008 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 3471 cc | 3990 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 290 HP | 145 HP |
| Engine RPM | 6200 RPM | 4250 RPM |
| Torque | 347 Nm | 312 Nm |
| Torque RPM | 5000 RPM | 2000 RPM |
| Engine Compression Ratio | 11.0:1 | 7.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1274 kg | 1778 kg |
| Vehicle Length | 4920 mm | 4940 mm |
| Vehicle Width | 1850 mm | 1890 mm |
| Vehicle Height | 1460 mm | 1580 mm |
| Wheelbase Size | 2810 mm | 2900 mm |
| Fuel Tank Capacity | 73 L | 72 L |
