1991 Citroen ZX vs. 2009 Hummer H3
To start off, 2009 Hummer H3 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Citroen ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 3,700 cc (5 cylinders), 2009 Hummer H3 is equipped with a bigger engine. In terms of performance, 2009 Hummer H3 (239 HP @ 5800 RPM) has 168 more horse power than 1991 Citroen ZX. (71 HP @ 4600 RPM) In normal driving conditions, 2009 Hummer H3 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H3 weights approximately 1167 kg more than 1991 Citroen ZX. 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 1991 Citroen ZX. 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 (327 Nm @ 4600 RPM) has 205 more torque (in Nm) than 1991 Citroen ZX. (122 Nm @ 2000 RPM). This means 2009 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2009 Hummer H3 | |
| Make | Citroen | Hummer |
| Model | ZX | H3 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 239 HP |
| Engine RPM | 4600 RPM | 5800 RPM |
| Torque | 122 Nm | 327 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 83.1 mm | 95.5 mm |
| Engine Stroke Size | 88 mm | 102 mm |
| Engine Compression Ratio | 23.0:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1035 kg | 2202 kg |
| Vehicle Length | 4070 mm | 4770 mm |
| Vehicle Width | 1710 mm | 2170 mm |
| Vehicle Height | 1410 mm | 1870 mm |
| Wheelbase Size | 2550 mm | 2850 mm |
