1951 Rover P4 vs. 2011 Alpina B7
To start off, 2011 Alpina B7 is newer by 60 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 4,397 cc (8 cylinders), 2011 Alpina B7 is equipped with a bigger engine. In terms of performance, 2011 Alpina B7 (493 HP @ 5500 RPM) has 418 more horse power than 1951 Rover P4. (75 HP @ 4200 RPM) In normal driving conditions, 2011 Alpina B7 should accelerate faster than 1951 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B7 weights approximately 600 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, 2011 Alpina B7 (700 Nm @ 4250 RPM) has 550 more torque (in Nm) than 1951 Rover P4. (150 Nm @ 2500 RPM). This means 2011 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1951 Rover P4.
Compare all specifications:
| 1951 Rover P4 | 2011 Alpina B7 | |
| Make | Rover | Alpina |
| Model | P4 | B7 |
| Year Released | 1951 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2103 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 493 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 150 Nm | 700 Nm |
| Torque RPM | 2500 RPM | 4250 RPM |
| Engine Bore Size | 65.2 mm | 92 mm |
| Engine Stroke Size | 105 mm | 82.8 mm |
| Engine Compression Ratio | 7.3:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1990 kg |
| Vehicle Length | 4590 mm | 5180 mm |
| Vehicle Width | 1670 mm | 1910 mm |
| Vehicle Height | 1620 mm | 1450 mm |
| Wheelbase Size | 2830 mm | 3140 mm |
| Fuel Tank Capacity | 52 L | 88 L |
