1955 Armstrong Siddeley Sapphire vs. 2003 Holden Vectra
To start off, 2003 Holden Vectra is newer by 48 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 3,435 cc (6 cylinders), 1955 Armstrong Siddeley Sapphire is equipped with a bigger engine. In terms of performance, 2003 Holden Vectra (145 HP @ 5800 RPM) has 20 more horse power than 1955 Armstrong Siddeley Sapphire. (125 HP @ 4700 RPM) In normal driving conditions, 2003 Holden Vectra 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 300 kg more than 2003 Holden Vectra.
Because 1955 Armstrong Siddeley 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 1955 Armstrong Siddeley Sapphire. However, in wet, icy, snow, or gravel driving conditions, 2003 Holden Vectra, 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, 1955 Armstrong Siddeley Sapphire (247 Nm @ 2000 RPM) has 44 more torque (in Nm) than 2003 Holden Vectra. (203 Nm @ 4000 RPM). This means 1955 Armstrong Siddeley Sapphire will have an easier job in driving up hills or pulling heavy equipment than 2003 Holden Vectra. 2003 Holden Vectra 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. 2003 Holden Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 2003 Holden Vectra | |
| Make | Armstrong Siddeley | Holden |
| Model | Sapphire | Vectra |
| Year Released | 1955 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3435 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 145 HP |
| Engine RPM | 4700 RPM | 5800 RPM |
| Torque | 247 Nm | 203 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1530 kg |
| Vehicle Length | 5390 mm | 4600 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1470 mm |
| Wheelbase Size | 3380 mm | 2710 mm |
