1973 BMW 1502 vs. 2004 BMW 645
To start off, 2004 BMW 645 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 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 237 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 2004 BMW 645 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 785 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 645 (447 Nm) has 317 more torque (in Nm) than 1973 BMW 1502. (130 Nm). This means 2004 BMW 645 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 645 | |
Make | BMW | BMW |
Model | 1502 | 645 |
Year Released | 1973 | 2004 |
Engine Position | Front | Front |
Engine Size | 1573 cc | 4392 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 85 HP | 322 HP |
Engine RPM | 5800 RPM | 7400 RPM |
Torque | 130 Nm | 447 Nm |
Engine Bore Size | 84 mm | 92 mm |
Engine Stroke Size | 71 mm | 83 mm |
Engine Compression Ratio | 8.6:1 | 10.5:1 |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 930 kg | 1715 kg |
Vehicle Length | 4240 mm | 4840 mm |
Vehicle Width | 1600 mm | 1860 mm |
Vehicle Height | 1420 mm | 1380 mm |
Wheelbase Size | 2510 mm | 2790 mm |
Fuel Tank Capacity | 50 L | 70 L |