2005 BMW 325 vs. 1972 BMW 520
To start off, 2005 BMW 325 is newer by 33 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 2,491 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (190 HP @ 7400 RPM) has 40 more horse power than 1972 BMW 520. (150 HP @ 5900 RPM). In normal driving conditions, 2005 BMW 325 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 185 kg more than 1972 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW 325 (237 Nm) has 47 more torque (in Nm) than 1972 BMW 520. (190 Nm). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 2005 BMW 325 | 1972 BMW 520 | |
| Make | BMW | BMW |
| Model | 325 | 520 |
| Year Released | 2005 | 1972 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 150 HP |
| Engine RPM | 7400 RPM | 5900 RPM |
| Torque | 237 Nm | 190 Nm |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 75 mm | 66 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1445 kg |
| Vehicle Length | 4480 mm | 4630 mm |
| Vehicle Width | 1750 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2830 mm | 2770 mm |
| Fuel Consumption Highway | 9.1 L/100km | 7.3 L/100km |
| Fuel Consumption City | 12.4 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
