1973 BMW 1502 vs. 1987 Mazda 929
To start off, 1987 Mazda 929 is newer by 14 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 1,998 cc (4 cylinders), 1987 Mazda 929 is equipped with a bigger engine. In terms of performance, 1987 Mazda 929 (114 HP @ 5300 RPM) has 29 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 1987 Mazda 929 should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1987 Mazda 929 weights approximately 415 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, 1987 Mazda 929 (167 Nm @ 4500 RPM) has 37 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 1987 Mazda 929 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 1987 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 1502 | 929 |
| Year Released | 1973 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 114 HP |
| Engine RPM | 5800 RPM | 5300 RPM |
| Torque | 130 Nm | 167 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 71 mm | 98 mm |
| Engine Compression Ratio | 8.6:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 930 kg | 1345 kg |
| Vehicle Length | 4240 mm | 4890 mm |
| Vehicle Width | 1600 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2720 mm |
