1969 Bristol 411 vs. 1951 Rover P4
To start off, 1969 Bristol 411 is newer by 18 year(s). Which means there will be less support and parts availability for 1951 Rover P4. In addition, the cost of maintenance, including insurance, on 1951 Rover P4 would be higher. At 6,286 cc (8 cylinders), 1969 Bristol 411 is equipped with a bigger engine. In terms of performance, 1969 Bristol 411 (335 HP @ 5200 RPM) has 260 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM). In normal driving conditions, 1969 Bristol 411 should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1969 Bristol 411 weights approximately 290 kg more than 1951 Rover P4. 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, 1969 Bristol 411 (576 Nm @ 3400 RPM) has 426 more torque (in Nm) than 1951 Rover P4. (150 Nm @ 2500 RPM). This means 1969 Bristol 411 will have an easier job in driving up hills or pulling heavy equipment than 1951 Rover P4.
Compare all specifications:
| 1969 Bristol 411 | 1951 Rover P4 | |
| Make | Bristol | Rover |
| Model | 411 | P4 |
| Year Released | 1969 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 6286 cc | 2103 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 335 HP | 75 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 576 Nm | 150 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Bore Size | 108 mm | 65.2 mm |
| Engine Stroke Size | 85.9 mm | 105 mm |
| Engine Compression Ratio | 10.0:1 | 7.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1390 kg |
| Vehicle Length | 4910 mm | 4590 mm |
| Vehicle Width | 1730 mm | 1670 mm |
| Vehicle Height | 1480 mm | 1620 mm |
| Wheelbase Size | 2900 mm | 2830 mm |
| Fuel Tank Capacity | 82 L | 52 L |
