1972 BMW Touring vs. 2003 BMW 520
To start off, 2003 BMW 520 is newer by 31 year(s). Which means there will be less support and parts availability for 1972 BMW Touring. In addition, the cost of maintenance, including insurance, on 1972 BMW Touring would be higher. At 2,170 cc (6 cylinders), 2003 BMW 520 is equipped with a bigger engine. In terms of performance, 2003 BMW 520 (167 HP @ 6100 RPM) has 84 more horse power than 1972 BMW Touring. (83 HP @ 5700 RPM) In normal driving conditions, 2003 BMW 520 should accelerate faster than 1972 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 640 kg more than 1972 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, 2003 BMW 520 (210 Nm @ 3500 RPM) has 80 more torque (in Nm) than 1972 BMW Touring. (130 Nm @ 3500 RPM). This means 2003 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW Touring.
Compare all specifications:
| 1972 BMW Touring | 2003 BMW 520 | |
| Make | BMW | BMW |
| Model | Touring | 520 |
| Year Released | 1972 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 2170 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 83 HP | 167 HP |
| Engine RPM | 5700 RPM | 6100 RPM |
| Torque | 130 Nm | 210 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 71 mm | 72 mm |
| Engine Compression Ratio | 8.6:1 | 10.7:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1670 kg |
| Vehicle Length | 4120 mm | 4810 mm |
| Vehicle Width | 1600 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1450 mm |
| Wheelbase Size | 2510 mm | 2890 mm |
