1975 BMW 1502 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 BMW 1502. In addition, the cost of maintenance, including insurance, on 1975 BMW 1502 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 142 more horse power than 1975 BMW 1502. (73 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 525 should accelerate faster than 1975 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 300 kg more than 1975 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 1502. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW 525 (251 Nm @ 2750 RPM) has 133 more torque (in Nm) than 1975 BMW 1502. (118 Nm @ 3700 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 1502.
Compare all specifications:
| 1975 BMW 1502 | 2007 BMW 525 | |
| Make | BMW | BMW |
| Model | 1502 | 525 |
| Year Released | 1975 | 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 | 73 HP | 215 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 118 Nm | 251 Nm |
| Torque RPM | 3700 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 78.8 mm |
| Engine Stroke Size | 71 mm | 82 mm |
| Top Speed | 155 km/hour | 232 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 980 kg | 1280 kg |
| Vehicle Length | 4240 mm | 4850 mm |
| Vehicle Width | 1600 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 70 L |
