2009 Jeep Commander vs. 2011 Infiniti QX56
To start off, 2011 Infiniti QX56 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Jeep Commander. In addition, the cost of maintenance, including insurance, on 2009 Jeep Commander would be higher. At 5,654 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2011 Infiniti QX56 (400 HP @ 5800 RPM) has 53 more horse power than 2009 Jeep Commander. (347 HP @ 5000 RPM) In normal driving conditions, 2011 Infiniti QX56 should accelerate faster than 2009 Jeep Commander. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti QX56 weights approximately 185 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 2009 Jeep Commander is four wheel drive (4WD), it will have significant more traction and grip than 2011 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2009 Jeep Commander 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, 2011 Infiniti QX56 (559 Nm @ 4000 RPM) has 39 more torque (in Nm) than 2009 Jeep Commander. (520 Nm @ 4000 RPM). This means 2011 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Jeep Commander.
Compare all specifications:
| 2009 Jeep Commander | 2011 Infiniti QX56 | |
| Make | Jeep | Infiniti |
| Model | Commander | QX56 |
| Year Released | 2009 | 2011 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5654 cc | 5600 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 347 HP | 400 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 520 Nm | 559 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2355 kg | 2540 kg |
| Vehicle Length | 4790 mm | 5291 mm |
| Vehicle Width | 1910 mm | 2029 mm |
| Vehicle Height | 1830 mm | 1925 mm |
| Wheelbase Size | 2790 mm | 3076 mm |
| Fuel Tank Capacity | 80 L | 98 L |
