1989 Citroen XM vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 20 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 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 183 more horse power than 1989 Citroen XM. (170 HP @ 5600 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 827 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.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1989 Citroen XM. In wet, icy, snow, or gravel driving conditions, 2009 GMC Sierra 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 GMC Sierra (506 Nm @ 4400 RPM) has 266 more torque (in Nm) than 1989 Citroen XM. (240 Nm @ 4600 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 2009 GMC Sierra has automatic transmission and 1989 Citroen XM has manual transmission. 1989 Citroen XM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Citroen XM | 2009 GMC Sierra | |
| Make | Citroen | GMC |
| Model | XM | Sierra |
| Year Released | 1989 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 353 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 240 Nm | 506 Nm |
| Torque RPM | 4600 RPM | 4400 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1314 kg | 2141 kg |
| Vehicle Length | 4720 mm | 6580 mm |
| Vehicle Width | 1800 mm | 2040 mm |
| Vehicle Height | 1400 mm | 1960 mm |
| Wheelbase Size | 2750 mm | 4250 mm |
| Fuel Tank Capacity | 80 L | 129 L |
