1958 Armstrong Siddeley Star Sapphire vs. 2007 Audi S4
To start off, 2007 Audi S4 is newer by 49 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 196 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 1958 Armstrong Siddeley Star Sapphire.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 98 more torque (in Nm) than 1958 Armstrong Siddeley Star Sapphire. (312 Nm @ 2000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1958 Armstrong Siddeley Star Sapphire. 1958 Armstrong Siddeley Star Sapphire has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1958 Armstrong Siddeley Star Sapphire will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2007 Audi S4 | |
| Make | Armstrong Siddeley | Audi |
| Model | Star Sapphire | S4 |
| Year Released | 1958 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 341 HP |
| Engine RPM | 4250 RPM | 7000 RPM |
| Torque | 312 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 97.1 mm | 84.6 mm |
| Engine Stroke Size | 90 mm | 92.7 mm |
| Engine Compression Ratio | 7.5:1 | 11.0:1 |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4940 mm | 4590 mm |
| Vehicle Width | 1890 mm | 1730 mm |
| Vehicle Height | 1580 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2650 mm |
| Fuel Tank Capacity | 72 L | 63 L |
