2007 BMW X3 vs. 1979 Mazda 929
To start off, 2007 BMW X3 is newer by 28 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 Mazda 929 would be higher. At 1,995 cc (4 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (148 HP @ 4000 RPM) has 65 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 670 kg more than 1979 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 196 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 2007 BMW X3 | 1979 Mazda 929 | |
| Make | BMW | Mazda |
| Model | X3 | 929 |
| Year Released | 2007 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1767 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 83 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 330 Nm | 134 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 8.6:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1740 kg | 1070 kg |
| Vehicle Length | 4570 mm | 4410 mm |
| Vehicle Width | 1680 mm | 1670 mm |
| Vehicle Height | 1860 mm | 1420 mm |
| Wheelbase Size | 2800 mm | 2520 mm |
| Fuel Tank Capacity | 67 L | 55 L |
