1988 BMW 525 vs. 1973 BMW 1502
To start off, 1988 BMW 525 is newer by 15 year(s). Which means there will be less support and parts availability for 1973 BMW 1502. In addition, the cost of maintenance, including insurance, on 1973 BMW 1502 would be higher. At 2,494 cc (6 cylinders), 1988 BMW 525 is equipped with a bigger engine. In terms of performance, 1988 BMW 525 (165 HP @ 5800 RPM) has 80 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM). In normal driving conditions, 1988 BMW 525 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW 525 weights approximately 645 kg more than 1973 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1988 BMW 525 (239 Nm @ 4300 RPM) has 109 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 1988 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1988 BMW 525 | 1973 BMW 1502 | |
| Make | BMW | BMW |
| Model | 525 | 1502 |
| Year Released | 1988 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1573 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 165 HP | 85 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 239 Nm | 130 Nm |
| Torque RPM | 4300 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 71 mm |
| Engine Compression Ratio | 8.8:1 | 8.6:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 930 kg |
| Vehicle Length | 4730 mm | 4240 mm |
| Vehicle Width | 1760 mm | 1600 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2510 mm |
| Fuel Tank Capacity | 80 L | 50 L |
