1973 BMW 1502 vs. 2004 BMW 325
To start off, 2004 BMW 325 is newer by 31 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), 2004 BMW 325 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (189 HP @ 6200 RPM) has 104 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 2004 BMW 325 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 565 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, 2004 BMW 325 (245 Nm @ 3500 RPM) has 115 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2004 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 2004 BMW 325 | |
| Make | BMW | BMW |
| Model | 1502 | 325 |
| Year Released | 1973 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 189 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 130 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 71 mm | 75 mm |
| Engine Compression Ratio | 8.6:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1495 kg |
| Vehicle Length | 4240 mm | 4480 mm |
| Vehicle Width | 1600 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2510 mm | 2800 mm |
| Fuel Tank Capacity | 50 L | 63 L |
