1959 Bristol 406 vs. 1985 Ford Sierra
To start off, 1985 Ford Sierra is newer by 26 year(s). Which means there will be less support and parts availability for 1959 Bristol 406. In addition, the cost of maintenance, including insurance, on 1959 Bristol 406 would be higher. At 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 57 more horse power than 1959 Bristol 406. (91 HP @ 4700 RPM) In normal driving conditions, 1985 Ford Sierra should accelerate faster than 1959 Bristol 406. With that said, vehicle weight also plays an important factor in acceleration. 1959 Bristol 406 weights approximately 61 kg more than 1985 Ford Sierra.
Let's talk about torque, 1985 Ford Sierra (220 Nm @ 3800 RPM) has 46 more torque (in Nm) than 1959 Bristol 406. (174 Nm @ 3000 RPM). This means 1985 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1959 Bristol 406.
Compare all specifications:
| 1959 Bristol 406 | 1985 Ford Sierra | |
| Make | Bristol | Ford |
| Model | 406 | Sierra |
| Year Released | 1959 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2216 cc | 2790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 148 HP |
| Engine RPM | 4700 RPM | 5700 RPM |
| Torque | 174 Nm | 220 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 68.7 mm | 93 mm |
| Engine Stroke Size | 99.6 mm | 68.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1266 kg | 1205 kg |
| Vehicle Length | 4990 mm | 4400 mm |
| Vehicle Width | 1720 mm | 1680 mm |
| Vehicle Height | 1530 mm | 1370 mm |
| Wheelbase Size | 2900 mm | 2620 mm |
