1956 Bristol 405 vs. 1974 Bristol 411
To start off, 1974 Bristol 411 is newer by 18 year(s). Which means there will be less support and parts availability for 1956 Bristol 405. In addition, the cost of maintenance, including insurance, on 1956 Bristol 405 would be higher. At 6,277 cc (8 cylinders), 1974 Bristol 411 is equipped with a bigger engine. In terms of performance, 1974 Bristol 411 (288 HP @ 5200 RPM) has 187 more horse power than 1956 Bristol 405. (101 HP @ 5000 RPM) In normal driving conditions, 1974 Bristol 411 should accelerate faster than 1956 Bristol 405. With that said, vehicle weight also plays an important factor in acceleration. 1974 Bristol 411 weights approximately 470 kg more than 1956 Bristol 405. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1974 Bristol 411 (588 Nm @ 3400 RPM) has 436 more torque (in Nm) than 1956 Bristol 405. (152 Nm @ 3750 RPM). This means 1974 Bristol 411 will have an easier job in driving up hills or pulling heavy equipment than 1956 Bristol 405.
Compare all specifications:
| 1956 Bristol 405 | 1974 Bristol 411 | |
| Make | Bristol | Bristol |
| Model | 405 | 411 |
| Year Released | 1956 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 6277 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 288 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 152 Nm | 588 Nm |
| Torque RPM | 3750 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1240 kg | 1710 kg |
| Vehicle Length | 4820 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2900 mm | 2910 mm |
