1989 Citroen XM vs. 2004 Alfa Romeo 166
To start off, 2004 Alfa Romeo 166 is newer by 15 year(s). Which means there will be less support and parts availability for 1989 Citroen XM. In addition, the cost of maintenance, including insurance, on 1989 Citroen XM would be higher. At 2,975 cc (6 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 166 (217 HP @ 6300 RPM) has 49 more horse power than 1989 Citroen XM. (168 HP @ 5600 RPM) In normal driving conditions, 2004 Alfa Romeo 166 should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 130 kg more than 1989 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 30 more torque (in Nm) than 1989 Citroen XM. (235 Nm @ 4800 RPM). This means 2004 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
| 1989 Citroen XM | 2004 Alfa Romeo 166 | |
| Make | Citroen | Alfa Romeo |
| Model | XM | 166 |
| Year Released | 1989 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 2959 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 217 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 235 Nm | 265 Nm |
| Torque RPM | 4800 RPM | 5000 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 73 mm | 72.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Top Speed | 220 km/hour | 236 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1550 kg |
| Vehicle Length | 4720 mm | 4730 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2860 mm | 2600 mm |
| Fuel Tank Capacity | 80 L | 69 L |
