2006 Infiniti QX56 vs. 2009 Infiniti G37
To start off, 2009 Infiniti G37 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2006 Infiniti QX56 would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti G37 (328 HP @ 7000 RPM) has 13 more horse power than 2006 Infiniti QX56. (315 HP @ 4900 RPM) In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2006 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 800 kg more than 2006 Infiniti QX56. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Infiniti G37. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti QX56 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, 2006 Infiniti QX56 (529 Nm @ 3600 RPM) has 164 more torque (in Nm) than 2009 Infiniti G37. (365 Nm @ 5200 RPM). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti G37. 2006 Infiniti QX56 has automatic transmission and 2009 Infiniti G37 has manual transmission. 2009 Infiniti G37 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti QX56 | 2009 Infiniti G37 | |
| Make | Infiniti | Infiniti |
| Model | QX56 | G37 |
| Year Released | 2006 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5555 cc | 3696 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 328 HP |
| Engine RPM | 4900 RPM | 7000 RPM |
| Torque | 529 Nm | 365 Nm |
| Torque RPM | 3600 RPM | 5200 RPM |
| Engine Compression Ratio | 9.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1320 kg | 2120 kg |
| Vehicle Length | 5260 mm | 4760 mm |
| Vehicle Width | 2010 mm | 1780 mm |
| Vehicle Height | 1980 mm | 1460 mm |
| Wheelbase Size | 3140 mm | 2860 mm |
| Fuel Consumption Highway | 13.1 L/100km | 9.4 L/100km |
| Fuel Consumption City | 18.1 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 106 L | 76 L |
