1977 BMW 528 vs. 1973 BMW 1502
To start off, 1977 BMW 528 is newer by 4 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 2,788 cc (6 cylinders), 1977 BMW 528 is equipped with a bigger engine. In terms of performance, 1977 BMW 528 (178 HP @ 5800 RPM) has 93 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM). In normal driving conditions, 1977 BMW 528 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 528 weights approximately 486 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, 1977 BMW 528 (234 Nm @ 4300 RPM) has 104 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 1977 BMW 528 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
1977 BMW 528 | 1973 BMW 1502 | |
Make | BMW | BMW |
Model | 528 | 1502 |
Year Released | 1977 | 1973 |
Engine Position | Front | Front |
Engine Size | 2788 cc | 1573 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 178 HP | 85 HP |
Engine RPM | 5800 RPM | 5800 RPM |
Torque | 234 Nm | 130 Nm |
Torque RPM | 4300 RPM | 3500 RPM |
Engine Bore Size | 86 mm | 84 mm |
Engine Stroke Size | 80 mm | 71 mm |
Engine Compression Ratio | 9.0:1 | 8.6:1 |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1416 kg | 930 kg |
Vehicle Length | 4620 mm | 4240 mm |
Vehicle Width | 1700 mm | 1600 mm |
Vehicle Height | 1430 mm | 1420 mm |
Wheelbase Size | 2640 mm | 2510 mm |
Fuel Tank Capacity | 70 L | 50 L |