1955 Armstrong Siddeley Sapphire vs. 1999 Audi S8
To start off, 1999 Audi S8 is newer by 44 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 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (247 HP @ 7000 RPM) has 122 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 1999 Audi S8 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 80 kg more than 1999 Audi S8.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1955 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 1999 Audi S8 (330 Nm @ 3400 RPM) has 83 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (247 Nm @ 2000 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire. 1999 Audi S8 has automatic transmission and 1955 Armstrong Siddeley Sapphire has manual transmission. 1955 Armstrong Siddeley Sapphire will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1999 Audi S8 | |
| Make | Armstrong Siddeley | Audi |
| Model | Sapphire | S8 |
| Year Released | 1955 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 4170 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 247 HP |
| Engine RPM | 4700 RPM | 7000 RPM |
| Torque | 247 Nm | 330 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 90 mm | 84.5 mm |
| Engine Stroke Size | 90 mm | 93 mm |
| Engine Compression Ratio | 7.0:1 | 11.0:1 |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1750 kg |
| Vehicle Length | 5390 mm | 5040 mm |
| Vehicle Width | 1840 mm | 1890 mm |
| Vehicle Height | 1680 mm | 1420 mm |
| Wheelbase Size | 3380 mm | 2890 mm |
| Fuel Tank Capacity | 72 L | 90 L |
