2007 GMC Sierra vs. 2006 Jeep Commander
To start off, 2007 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Jeep Commander. In addition, the cost of maintenance, including insurance, on 2006 Jeep Commander would be higher. At 5,357 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (315 HP @ 5200 RPM) has 80 more horse power than 2006 Jeep Commander. (235 HP @ 4500 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2006 Jeep Commander. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 758 kg more than 2006 Jeep Commander. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2007 GMC Sierra (458 Nm @ 4400 RPM) has 44 more torque (in Nm) than 2006 Jeep Commander. (414 Nm @ 3600 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Jeep Commander.
Compare all specifications:
| 2007 GMC Sierra | 2006 Jeep Commander | |
| Make | GMC | Jeep |
| Model | Sierra | Commander |
| Year Released | 2007 | 2006 |
| Body Type | Pickup | SUV |
| Engine Position | Front | Front |
| Engine Size | 5357 cc | 4703 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 315 HP | 235 HP |
| Engine RPM | 5200 RPM | 4500 RPM |
| Torque | 458 Nm | 414 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Bore Size | 96 mm | 88 mm |
| Engine Stroke Size | 92 mm | 101 mm |
| Engine Compression Ratio | 9.4:1 | 9.1:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1677 kg |
| Vehicle Length | 6320 mm | 4790 mm |
| Vehicle Width | 2040 mm | 1910 mm |
| Vehicle Height | 1880 mm | 1830 mm |
| Wheelbase Size | 4010 mm | 2790 mm |
| Fuel Consumption | 10.7 L/100km | 12.4 L/100km |
| Fuel Consumption City | 14.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 129 L | 78 L |
