1956 Armstrong Siddeley Sapphire vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 48 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 255 more horse power than 1956 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 535 kg more than 1956 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 251 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (160 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 2004 Audi S4 | |
| Make | Armstrong Siddeley | Audi |
| Model | Sapphire | S4 |
| Year Released | 1956 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2307 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 85 HP | 340 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Torque | 160 Nm | 411 Nm |
| Engine Bore Size | 70 mm | 85 mm |
| Engine Stroke Size | 100 mm | 93 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1895 kg |
| Vehicle Length | 4580 mm | 4580 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1570 mm | 1400 mm |
| Wheelbase Size | 2900 mm | 2770 mm |
