1955 Armstrong Siddeley Sapphire vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 51 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 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 214 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 50 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.
Because 1955 Armstrong Siddeley Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1955 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, being front wheel drive (FWD), will offer much better control with better grip. 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 S4 (410 Nm @ 3500 RPM) has 163 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2006 Audi S4 | |
| Make | Armstrong Siddeley | Audi |
| Model | Sapphire | S4 |
| Year Released | 1955 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 339 HP |
| Engine RPM | 4700 RPM | 7000 RPM |
| Torque | 247 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 90 mm | 84.6 mm |
| Engine Stroke Size | 90 mm | 92.8 mm |
| Engine Compression Ratio | 7.0:1 | 11.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1880 kg |
| Vehicle Length | 5390 mm | 4590 mm |
| Vehicle Width | 1840 mm | 1730 mm |
| Vehicle Height | 1680 mm | 1430 mm |
| Wheelbase Size | 3380 mm | 2650 mm |
| Fuel Tank Capacity | 72 L | 63 L |
