1971 BMW Touring vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring would be higher. At 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 130 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 650 kg more than 1971 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW 525 (251 Nm @ 2750 RPM) has 121 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 1971 BMW Touring | 2007 BMW 525 | |
| Make | BMW | BMW |
| Model | Touring | 525 |
| Year Released | 1971 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 215 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 130 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84.1 mm | 78.8 mm |
| Engine Stroke Size | 71 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1680 kg |
| Vehicle Length | 4120 mm | 4850 mm |
| Vehicle Width | 1600 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1500 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
