2009 Infiniti QX56 vs. 2007 Mazda 6
To start off, 2009 Infiniti QX56 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mazda 6. In addition, the cost of maintenance, including insurance, on 2007 Mazda 6 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 181 more horse power than 2007 Mazda 6. (139 HP @ 6000 RPM). In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2007 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 30 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mazda 6. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 351 more torque (in Nm) than 2007 Mazda 6. (182 Nm @ 4500 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 6.
Compare all specifications:
| 2009 Infiniti QX56 | 2007 Mazda 6 | |
| Make | Infiniti | Mazda |
| Model | QX56 | 6 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 1999 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 139 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 533 Nm | 182 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1350 kg |
| Vehicle Length | 5260 mm | 4690 mm |
| Vehicle Width | 2010 mm | 1790 mm |
| Vehicle Height | 2010 mm | 1440 mm |
| Wheelbase Size | 3140 mm | 2680 mm |
| Fuel Consumption Overall | 16.8 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 106 L | 64 L |
