1956 Armstrong Siddeley Sapphire vs. 1972 Bristol 411
To start off, 1972 Bristol 411 is newer by 16 year(s). Which means there will be less support and parts availability for 1956 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1956 Armstrong Siddeley Sapphire would be higher. At 6,276 cc (8 cylinders), 1972 Bristol 411 is equipped with a bigger engine. In terms of performance, 1972 Bristol 411 (288 HP @ 5200 RPM) has 170 more horse power than 1956 Armstrong Siddeley Sapphire. (118 HP @ 5000 RPM) In normal driving conditions, 1972 Bristol 411 should accelerate faster than 1956 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1972 Bristol 411 weights approximately 60 kg more than 1956 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 Bristol 411 (588 Nm @ 3400 RPM) has 399 more torque (in Nm) than 1956 Armstrong Siddeley Sapphire. (189 Nm @ 3500 RPM). This means 1972 Bristol 411 will have an easier job in driving up hills or pulling heavy equipment than 1956 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1956 Armstrong Siddeley Sapphire | 1972 Bristol 411 | |
| Make | Armstrong Siddeley | Bristol |
| Model | Sapphire | 411 |
| Year Released | 1956 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2290 cc | 6276 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 288 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 189 Nm | 588 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1650 kg | 1710 kg |
| Vehicle Length | 4910 mm | 4920 mm |
| Vehicle Width | 1840 mm | 1740 mm |
| Vehicle Height | 1670 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2910 mm |
