1957 Armstrong Siddeley Sapphire vs. 1966 Jaguar 420G
To start off, 1966 Jaguar 420G is newer by 9 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 4,235 cc (6 cylinders), 1966 Jaguar 420G is equipped with a bigger engine. In terms of performance, 1966 Jaguar 420G (255 HP @ 5400 RPM) has 170 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1966 Jaguar 420G should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1966 Jaguar 420G weights approximately 418 kg more than 1957 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1966 Jaguar 420G (373 Nm @ 4000 RPM) has 212 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 1966 Jaguar 420G will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 1966 Jaguar 420G | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Sapphire | 420G |
| Year Released | 1957 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4235 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 255 HP |
| Engine RPM | 4400 RPM | 5400 RPM |
| Torque | 161 Nm | 373 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 70 mm | 92.1 mm |
| Engine Stroke Size | 100 mm | 106 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1778 kg |
| Vehicle Length | 4580 mm | 5140 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1570 mm | 1390 mm |
| Wheelbase Size | 2900 mm | 3050 mm |
| Fuel Tank Capacity | 72 L | 90 L |
