1958 Bristol 406 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 29 year(s). Which means there will be less support and parts availability for 1958 Bristol 406. In addition, the cost of maintenance, including insurance, on 1958 Bristol 406 would be higher. At 2,216 cc (6 cylinders), 1958 Bristol 406 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (224 HP @ 6000 RPM) has 133 more horse power than 1958 Bristol 406. (91 HP @ 4700 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1958 Bristol 406. With that said, vehicle weight also plays an important factor in acceleration. 1958 Bristol 406 weights approximately 53 kg more than 1987 Ford Sierra.
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, 1987 Ford Sierra (285 Nm @ 4500 RPM) has 111 more torque (in Nm) than 1958 Bristol 406. (174 Nm @ 3000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1958 Bristol 406.
Compare all specifications:
| 1958 Bristol 406 | 1987 Ford Sierra | |
| Make | Bristol | Ford |
| Model | 406 | Sierra |
| Year Released | 1958 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2216 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 224 HP |
| Engine RPM | 4700 RPM | 6000 RPM |
| Torque | 174 Nm | 285 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 68.7 mm | 90.8 mm |
| Engine Stroke Size | 99.6 mm | 77 mm |
| Engine Compression Ratio | 8.5:1 | 8.0:1 |
| Top Speed | 172 km/hour | 248 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1260 kg | 1207 kg |
| Vehicle Length | 4990 mm | 4430 mm |
| Vehicle Width | 1730 mm | 1730 mm |
| Vehicle Height | 1530 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2540 mm |
