2008 GMC Sierra vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 1 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 48 more horse power than 2009 Jeep Commander. (305 HP @ 5650 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2009 Jeep Commander. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1261 kg more than 2009 Jeep Commander. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Jeep Commander. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 53 more torque (in Nm) than 2009 Jeep Commander. (453 Nm @ 3950 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Jeep Commander.
Compare all specifications:
| 2008 GMC Sierra | 2009 Jeep Commander | |
| Make | GMC | Jeep |
| Model | Sierra | Commander |
| Year Released | 2008 | 2009 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 6000 cc | 4701 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 353 HP | 305 HP |
| Engine RPM | 5400 RPM | 5650 RPM |
| Torque | 506 Nm | 453 Nm |
| Torque RPM | 4400 RPM | 3950 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2659 kg | 1398 kg |
| Vehicle Length | 5720 mm | 4790 mm |
| Vehicle Width | 2440 mm | 1910 mm |
| Vehicle Height | 1960 mm | 1840 mm |
| Wheelbase Size | 3380 mm | 2790 mm |
| Fuel Consumption Overall | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 129 L | 80 L |
