1955 Armstrong Siddeley Sapphire vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 52 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 2,309 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (201 HP @ 5100 RPM) has 116 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 520 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, 2007 Audi A4, 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, 2007 Audi A4 (281 Nm @ 1800 RPM) has 121 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2007 Audi A4 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 | 2007 Audi A4 | |
| Make | Armstrong Siddeley | Audi |
| Model | Sapphire | A4 |
| Year Released | 1955 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 201 HP |
| Engine RPM | 4400 RPM | 5100 RPM |
| Torque | 160 Nm | 281 Nm |
| Torque RPM | 1750 RPM | 1800 RPM |
| Engine Bore Size | 70 mm | 82.5 mm |
| Engine Stroke Size | 100 mm | 92.8 mm |
| Engine Compression Ratio | 7.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1880 kg |
| Vehicle Length | 4580 mm | 4590 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1570 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2660 mm |
