1989 Citroen XM vs. 1973 Mazda 929
To start off, 1989 Citroen XM is newer by 16 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 1,905 cc (4 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (141 HP @ 4600 RPM) has 58 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1989 Citroen XM should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 430 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, 1989 Citroen XM (225 Nm @ 2200 RPM) has 91 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 1989 Citroen XM | 1973 Mazda 929 | |
| Make | Citroen | Mazda |
| Model | XM | 929 |
| Year Released | 1989 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 83 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 225 Nm | 134 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 80 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1070 kg |
| Vehicle Length | 4970 mm | 4410 mm |
| Vehicle Width | 1800 mm | 1670 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2860 mm | 2520 mm |
| Fuel Tank Capacity | 80 L | 55 L |
