1973 BMW 1502 vs. 2005 BMW 535
To start off, 2005 BMW 535 is newer by 32 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 3,428 cc (8 cylinders), 2005 BMW 535 is equipped with a bigger engine. In terms of performance, 2005 BMW 535 (241 HP @ 5800 RPM) has 156 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 535 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 535 weights approximately 755 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, 2005 BMW 535 (330 Nm @ 3800 RPM) has 200 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2005 BMW 535 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 2005 BMW 535 | |
| Make | BMW | BMW |
| Model | 1502 | 535 |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 3428 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 241 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 130 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 71 mm | 78.9 mm |
| Engine Compression Ratio | 8.6:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1685 kg |
| Vehicle Length | 4240 mm | 4780 mm |
| Vehicle Width | 1600 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2510 mm | 2730 mm |
| Fuel Tank Capacity | 50 L | 70 L |
