1955 Armstrong Siddeley Sapphire vs. 1957 Jensen 541
To start off, 1957 Jensen 541 is newer by 2 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 3,990 cc (6 cylinders), 1957 Jensen 541 is equipped with a bigger engine. In terms of performance, 1957 Jensen 541 (153 HP @ 4100 RPM) has 68 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1957 Jensen 541 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1957 Jensen 541 weights approximately 110 kg more than 1955 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, 1957 Jensen 541 (308 Nm @ 2400 RPM) has 148 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 1957 Jensen 541 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1955 Armstrong Siddeley Sapphire | 1957 Jensen 541 | |
| Make | Armstrong Siddeley | Jensen |
| Model | Sapphire | 541 |
| Year Released | 1955 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 3990 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 153 HP |
| Engine RPM | 4400 RPM | 4100 RPM |
| Torque | 160 Nm | 308 Nm |
| Torque RPM | 1750 RPM | 2400 RPM |
| Engine Bore Size | 70 mm | 87.3 mm |
| Engine Stroke Size | 100 mm | 111.1 mm |
| Engine Compression Ratio | 7.5:1 | 7.6:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1470 kg |
| Vehicle Length | 4580 mm | 4530 mm |
| Vehicle Width | 1730 mm | 1610 mm |
| Vehicle Height | 1570 mm | 1360 mm |
| Wheelbase Size | 2900 mm | 2670 mm |
