2005 BMW 525 vs. 1971 Rover 3.5 Litre
To start off, 2005 BMW 525 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Rover 3.5 Litre. In addition, the cost of maintenance, including insurance, on 1971 Rover 3.5 Litre would be higher. At 3,532 cc (8 cylinders), 1971 Rover 3.5 Litre is equipped with a bigger engine. In terms of performance, 2005 BMW 525 (215 HP @ 6500 RPM) has 67 more horse power than 1971 Rover 3.5 Litre. (148 HP @ 5000 RPM). In normal driving conditions, 2005 BMW 525 should accelerate faster than 1971 Rover 3.5 Litre. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 525 weights approximately 48 kg more than 1971 Rover 3.5 Litre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Rover 3.5 Litre. In wet, icy, snow, or gravel driving conditions, 2005 BMW 525 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, 1971 Rover 3.5 Litre (276 Nm @ 2600 RPM) has 26 more torque (in Nm) than 2005 BMW 525. (250 Nm @ 2750 RPM). This means 1971 Rover 3.5 Litre will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 525.
Compare all specifications:
| 2005 BMW 525 | 1971 Rover 3.5 Litre | |
| Make | BMW | Rover |
| Model | 525 | 3.5 Litre |
| Year Released | 2005 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3532 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 148 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 250 Nm | 276 Nm |
| Torque RPM | 2750 RPM | 2600 RPM |
| Engine Bore Size | 82 mm | 88.9 mm |
| Engine Stroke Size | 78.8 mm | 71.1 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1686 kg | 1638 kg |
| Vehicle Length | 4850 mm | 4750 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1490 mm | 1550 mm |
| Wheelbase Size | 2890 mm | 2820 mm |
