1958 Armstrong Siddeley Star Sapphire vs. 2003 Vauxhall Signum
To start off, 2003 Vauxhall Signum is newer by 45 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 3,990 cc (6 cylinders), 1958 Armstrong Siddeley Star Sapphire is equipped with a bigger engine. In terms of performance, 2003 Vauxhall Signum (153 HP @ 5600 RPM) has 8 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2003 Vauxhall Signum 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 328 kg more than 2003 Vauxhall Signum.
Because 1958 Armstrong Siddeley Star Sapphire is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1958 Armstrong Siddeley Star Sapphire. However, in wet, icy, snow, or gravel driving conditions, 2003 Vauxhall Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 1958 Armstrong Siddeley Star Sapphire (312 Nm @ 2000 RPM) has 92 more torque (in Nm) than 2003 Vauxhall Signum. (220 Nm @ 3800 RPM). This means 1958 Armstrong Siddeley Star Sapphire will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Signum.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2003 Vauxhall Signum | |
| Make | Armstrong Siddeley | Vauxhall |
| Model | Star Sapphire | Signum |
| Year Released | 1958 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 153 HP |
| Engine RPM | 4250 RPM | 5600 RPM |
| Torque | 312 Nm | 220 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1778 kg | 1450 kg |
| Vehicle Length | 4940 mm | 4640 mm |
| Vehicle Width | 1890 mm | 1800 mm |
| Vehicle Height | 1580 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2840 mm |
