2009 Infiniti QX56 vs. 2012 Mercedes-Benz GLK
To start off, 2012 Mercedes-Benz GLK 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, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 52 more horse power than 2012 Mercedes-Benz GLK. (268 HP @ 6000 RPM). In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2012 Mercedes-Benz GLK. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz GLK weights approximately 131 kg more than 2009 Infiniti QX56.
Because 2012 Mercedes-Benz GLK 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 GLK 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 Infiniti QX56 (533 Nm @ 3400 RPM) has 184 more torque (in Nm) than 2012 Mercedes-Benz GLK. (349 Nm @ 2400 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz GLK.
Compare all specifications:
| 2009 Infiniti QX56 | 2012 Mercedes-Benz GLK | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | GLK |
| Year Released | 2009 | 2012 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 268 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 533 Nm | 349 Nm |
| Torque RPM | 3400 RPM | 2400 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 | 1850 kg |
| Vehicle Length | 5260 mm | 4529 mm |
| Vehicle Width | 2010 mm | 1887 mm |
| Vehicle Height | 1980 mm | 1699 mm |
| Wheelbase Size | 3140 mm | 2756 mm |
| Fuel Consumption Highway | 13.1 L/100km | 11.2 L/100km |
| Fuel Consumption City | 19.6 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 106 L | 66 L |
