2003 BMW X3 vs. 1978 Mazda 929
To start off, 2003 BMW X3 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 2,492 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (185 HP @ 6000 RPM) has 102 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 770 kg more than 1978 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, 2003 BMW X3 (245 Nm @ 3500 RPM) has 111 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2003 BMW X3 | 1978 Mazda 929 | |
| Make | BMW | Mazda |
| Model | X3 | 929 |
| Year Released | 2003 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 83 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 245 Nm | 134 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1070 kg |
| Vehicle Length | 4570 mm | 4410 mm |
| Vehicle Width | 1860 mm | 1670 mm |
| Vehicle Height | 1680 mm | 1420 mm |
| Wheelbase Size | 2800 mm | 2520 mm |
| Fuel Tank Capacity | 67 L | 55 L |
