1972 BMW 3 vs. 1973 Mazda 929
To start off, 1973 Mazda 929 is newer by 1 year(s). Which means there will be less support and parts availability for 1972 BMW 3. In addition, the cost of maintenance, including insurance, on 1972 BMW 3 would be higher. At 2,986 cc (6 cylinders), 1972 BMW 3 is equipped with a bigger engine. In terms of performance, 1972 BMW 3 (201 HP @ 5800 RPM) has 118 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1972 BMW 3 should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 3 weights approximately 304 kg more than 1973 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 BMW 3 (271 Nm @ 3700 RPM) has 137 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 1972 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 1972 BMW 3 | 1973 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 3 | 929 |
| Year Released | 1972 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 201 HP | 83 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 271 Nm | 134 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Engine Bore Size | 89 mm | 80 mm |
| Engine Stroke Size | 80 mm | 88 mm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1374 kg | 1070 kg |
| Vehicle Length | 4660 mm | 4410 mm |
| Vehicle Width | 1690 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2620 mm | 2520 mm |
