2009 Audi A6 vs. 2007 Infiniti QX56
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2007 Infiniti QX56 would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 65 more horse power than 2009 Audi A6. (255 HP @ 6500 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 2009 Audi A6.
Because 2007 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Infiniti QX56 (533 Nm @ 3600 RPM) has 203 more torque (in Nm) than 2009 Audi A6. (330 Nm @ 3250 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2007 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | A6 | QX56 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 320 HP |
| Engine RPM | 6500 RPM | 4900 RPM |
| Torque | 330 Nm | 533 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4930 mm | 5260 mm |
| Vehicle Width | 2040 mm | 2010 mm |
| Vehicle Height | 1460 mm | 1980 mm |
| Wheelbase Size | 2850 mm | 3140 mm |
| Fuel Consumption | 8.1 L/100km | 13.1 L/100km |
| Fuel Consumption City | 11.2 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 80 L | 106 L |
