1966 Alfa Romeo Giulia vs. 1989 Citroen XM
To start off, 1989 Citroen XM is newer by 23 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Giulia would be higher. At 1,904 cc (4 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (130 HP @ 5600 RPM) has 25 more horse power than 1966 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 1989 Citroen XM should accelerate faster than 1966 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 410 kg more than 1966 Alfa Romeo Giulia. 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 (177 Nm @ 4800 RPM) has 44 more torque (in Nm) than 1966 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Giulia.
Compare all specifications:
| 1966 Alfa Romeo Giulia | 1989 Citroen XM | |
| Make | Alfa Romeo | Citroen |
| Model | Giulia | XM |
| Year Released | 1966 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1904 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 130 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 133 Nm | 177 Nm |
| Torque RPM | 4500 RPM | 4800 RPM |
| Engine Bore Size | 78 mm | 86 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Engine Compression Ratio | 9.2:1 | 8.8:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 972 kg | 1382 kg |
| Vehicle Length | 4130 mm | 4960 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1400 mm |
| Wheelbase Size | 2260 mm | 2860 mm |
