1956 Armstrong Siddeley Sapphire vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 50 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 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (415 HP @ 7800 RPM) has 330 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 485 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 2006 Audi RS4 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, 2006 Audi RS4 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 270 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2006 Audi RS4 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 | 2006 Audi RS4 | |
| Make | Armstrong Siddeley | Audi |
| Model | Sapphire | RS4 |
| Year Released | 1956 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 415 HP |
| Engine RPM | 4400 RPM | 7800 RPM |
| Torque | 160 Nm | 430 Nm |
| Torque RPM | 1750 RPM | 5500 RPM |
| Engine Bore Size | 70 mm | 84.5 mm |
| Engine Stroke Size | 100 mm | 92.8 mm |
| Engine Compression Ratio | 7.5:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1845 kg |
| Vehicle Length | 4580 mm | 4560 mm |
| Vehicle Width | 1730 mm | 1820 mm |
| Vehicle Height | 1570 mm | 1400 mm |
| Wheelbase Size | 2900 mm | 2660 mm |
