1999 Citroen XM vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Citroen XM. In addition, the cost of maintenance, including insurance, on 1999 Citroen XM would be higher. At 3,653 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (242 HP @ 5600 RPM) has 127 more horse power than 1999 Citroen XM. (115 HP @ 5750 RPM) In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1999 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 914 kg more than 1999 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Citroen XM. In wet, icy, snow, or gravel driving conditions, 2009 Hummer H3 will offer significantly more control. 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, 2009 Hummer H3 (328 Nm @ 4600 RPM) has 154 more torque (in Nm) than 1999 Citroen XM. (174 Nm @ 4250 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1999 Citroen XM.
Compare all specifications:
| 1999 Citroen XM | 2009 Hummer H3 | |
| Make | Citroen | Hummer |
| Model | XM | H3 |
| Year Released | 1999 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 3653 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 242 HP |
| Engine RPM | 5750 RPM | 5600 RPM |
| Torque | 174 Nm | 328 Nm |
| Torque RPM | 4250 RPM | 4600 RPM |
| Engine Compression Ratio | 8.8:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 193 km/hour | 155 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1280 kg | 2194 kg |
| Vehicle Length | 4720 mm | 4790 mm |
| Vehicle Width | 1800 mm | 1900 mm |
| Vehicle Height | 1400 mm | 2000 mm |
| Wheelbase Size | 2760 mm | 2850 mm |
| Fuel Consumption Overall | 11.9 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 66 L | 87 L |
