2005 BMW X5 vs. 1971 Rover P5B
To start off, 2005 BMW X5 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Rover P5B. In addition, the cost of maintenance, including insurance, on 1971 Rover P5B would be higher. At 3,528 cc (8 cylinders), 1971 Rover P5B is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 57 more horse power than 1971 Rover P5B. (158 HP @ 5200 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1971 Rover P5B. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 590 kg more than 1971 Rover P5B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Rover P5B. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 224 more torque (in Nm) than 1971 Rover P5B. (296 Nm @ 3000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1971 Rover P5B. 1971 Rover P5B has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Rover P5B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 1971 Rover P5B | |
| Make | BMW | Rover |
| Model | X5 | P5B |
| Year Released | 2005 | 1971 |
| Body Type | SUV | Coupe |
| Engine Size | 2926 cc | 3528 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 158 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 520 Nm | 296 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 2170 kg | 1580 kg |
| Vehicle Length | 4670 mm | 4750 mm |
| Vehicle Width | 1880 mm | 1790 mm |
| Vehicle Height | 1720 mm | 1480 mm |
| Wheelbase Size | 2830 mm | 2820 mm |
