1958 Armstrong Siddeley Star Sapphire vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 46 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 4,162 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 194 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1958 Armstrong Siddeley Star Sapphire weights approximately 13 kg more than 2004 Audi S4.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1958 Armstrong Siddeley Star Sapphire. In wet, icy, snow, or gravel driving conditions, 2004 Audi S4 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 98 more torque (in Nm) than 1958 Armstrong Siddeley Star Sapphire. (312 Nm @ 2000 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1958 Armstrong Siddeley Star Sapphire.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2004 Audi S4 | |
| Make | Armstrong Siddeley | Audi |
| Model | Star Sapphire | S4 |
| Year Released | 1958 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 4162 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 339 HP |
| Engine RPM | 4250 RPM | 7000 RPM |
| Torque | 312 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 97.1 mm | 84.5 mm |
| Engine Stroke Size | 90 mm | 92.8 mm |
| Engine Compression Ratio | 7.5:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1778 kg | 1765 kg |
| Vehicle Length | 4940 mm | 4590 mm |
| Vehicle Width | 1890 mm | 1780 mm |
| Vehicle Height | 1580 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2470 mm |
| Fuel Tank Capacity | 72 L | 63 L |
