1972 BMW Touring vs. 1981 BMW 725
To start off, 1981 BMW 725 is newer by 9 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 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 65 more horse power than 1972 BMW Touring. (83 HP @ 5700 RPM) In normal driving conditions, 1981 BMW 725 should accelerate faster than 1972 BMW Touring.
Let's talk about torque, 1981 BMW 725 (215 Nm @ 4000 RPM) has 85 more torque (in Nm) than 1972 BMW Touring. (130 Nm @ 3500 RPM). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW Touring.
Compare all specifications:
| 1972 BMW Touring | 1981 BMW 725 | |
| Make | BMW | BMW |
| Model | Touring | 725 |
| Year Released | 1972 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 2493 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 83 HP | 148 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 130 Nm | 215 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 71 mm | 71.6 mm |
| Engine Compression Ratio | 8.6:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4120 mm | 4870 mm |
| Vehicle Width | 1600 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2510 mm | 2810 mm |
