1955 Armstrong Siddeley Sapphire vs. 1991 Audi S2
To start off, 1991 Audi S2 is newer by 36 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 3,435 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 91 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1991 Audi S2 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1955 Armstrong Siddeley Sapphire weights approximately 410 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1955 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 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, 1991 Audi S2 (309 Nm @ 1950 RPM) has 62 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1991 Audi S2 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 | 1991 Audi S2 | |
| Make | Armstrong Siddeley | Audi |
| Model | Sapphire | S2 |
| Year Released | 1955 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 2226 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 216 HP |
| Engine RPM | 4700 RPM | 5900 RPM |
| Torque | 247 Nm | 309 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Bore Size | 90 mm | 81.1 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Engine Compression Ratio | 7.0:1 | 9.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1420 kg |
| Vehicle Length | 5390 mm | 4410 mm |
| Vehicle Width | 1840 mm | 1720 mm |
| Vehicle Height | 1680 mm | 1380 mm |
| Wheelbase Size | 3380 mm | 2560 mm |
| Fuel Tank Capacity | 72 L | 70 L |
