1957 Rover P4 vs. 2006 Subaru Outback
To start off, 2006 Subaru Outback is newer by 49 year(s). Which means there will be less support and parts availability for 1957 Rover P4. In addition, the cost of maintenance, including insurance, on 1957 Rover P4 would be higher. At 2,458 cc (4 cylinders), 2006 Subaru Outback is equipped with a bigger engine. In terms of performance, 2006 Subaru Outback (250 HP @ 6000 RPM) has 180 more horse power than 1957 Rover P4. (70 HP @ 4500 RPM) In normal driving conditions, 2006 Subaru Outback should accelerate faster than 1957 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Subaru Outback weights approximately 149 kg more than 1957 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Subaru Outback is four wheel drive (4WD), it will have significant more traction and grip than 1957 Rover P4. In wet, icy, snow, or gravel driving conditions, 2006 Subaru Outback will offer significantly more control. 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, 2006 Subaru Outback (339 Nm @ 3600 RPM) has 186 more torque (in Nm) than 1957 Rover P4. (153 Nm @ 1750 RPM). This means 2006 Subaru Outback will have an easier job in driving up hills or pulling heavy equipment than 1957 Rover P4.
Compare all specifications:
| 1957 Rover P4 | 2006 Subaru Outback | |
| Make | Rover | Subaru |
| Model | P4 | Outback |
| Year Released | 1957 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2230 cc | 2458 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 70 HP | 250 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Torque | 153 Nm | 339 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Engine Bore Size | 73 mm | 89 mm |
| Engine Stroke Size | 88.9 mm | 74.9 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1400 kg | 1549 kg |
| Vehicle Length | 4540 mm | 4800 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1630 mm | 1610 mm |
| Wheelbase Size | 2830 mm | 2680 mm |
| Fuel Tank Capacity | 45 L | 64 L |
