2009 Infiniti QX56 vs. 2012 Mercedes-Benz ML
To start off, 2012 Mercedes-Benz ML is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2009 Infiniti QX56 would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz ML (518 HP @ 5250 RPM) has 198 more horse power than 2009 Infiniti QX56. (320 HP @ 5200 RPM) In normal driving conditions, 2012 Mercedes-Benz ML should accelerate faster than 2009 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz ML weights approximately 626 kg more than 2009 Infiniti QX56. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Mercedes-Benz ML is all wheel drive (AWD), it will have significant more traction and grip than 2009 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2012 Mercedes-Benz ML 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, 2012 Mercedes-Benz ML (699 Nm @ 1750 RPM) has 166 more torque (in Nm) than 2009 Infiniti QX56. (533 Nm @ 3400 RPM). This means 2012 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti QX56.
Compare all specifications:
| 2009 Infiniti QX56 | 2012 Mercedes-Benz ML | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | ML |
| Year Released | 2009 | 2012 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 518 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 533 Nm | 699 Nm |
| Torque RPM | 3400 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1719 kg | 2345 kg |
| Vehicle Length | 5260 mm | 4803 mm |
| Vehicle Width | 2010 mm | 2141 mm |
| Vehicle Height | 1980 mm | 1796 mm |
| Wheelbase Size | 3140 mm | 2916 mm |
| Fuel Consumption Highway | 13.1 L/100km | 9.4 L/100km |
| Fuel Consumption City | 19.6 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 106 L | 105 L |
