2009 Audi Q7 vs. 2006 Infiniti Q45
To start off, 2009 Audi Q7 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2006 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 64 more horse power than 2009 Audi Q7. (276 HP @ 6200 RPM) In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 920 kg more than 2006 Infiniti Q45.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 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 Q45 (452 Nm @ 4000 RPM) has 92 more torque (in Nm) than 2009 Audi Q7. (360 Nm @ 2500 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
Compare all specifications:
| 2009 Audi Q7 | 2006 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | Q7 | Q45 |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3597 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 340 HP |
| Engine RPM | 6200 RPM | 6400 RPM |
| Torque | 360 Nm | 452 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2240 kg | 1320 kg |
| Vehicle Length | 5090 mm | 5110 mm |
| Vehicle Width | 1990 mm | 1850 mm |
| Vehicle Height | 1740 mm | 1500 mm |
| Wheelbase Size | 3010 mm | 2880 mm |
| Fuel Consumption Highway | 11.8 L/100km | 10 L/100km |
| Fuel Consumption City | 16.9 L/100km | 14 L/100km |
| Fuel Consumption Overall | 14.8 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 100 L | 81 L |
