2008 Audi Q7 vs. 2009 Infiniti FX
To start off, 2009 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi Q7. In addition, the cost of maintenance, including insurance, on 2008 Audi Q7 would be higher. At 4,162 cc (8 cylinders), 2008 Audi Q7 is equipped with a bigger engine. In terms of performance, 2008 Audi Q7 (345 HP @ 6800 RPM) has 42 more horse power than 2009 Infiniti FX. (303 HP @ 6800 RPM). In normal driving conditions, 2008 Audi Q7 should accelerate faster than 2009 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi Q7 weights approximately 521 kg more than 2009 Infiniti FX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2008 Audi Q7 (440 Nm @ 3500 RPM) has 85 more torque (in Nm) than 2009 Infiniti FX. (355 Nm @ 4800 RPM). This means 2008 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti FX.
Compare all specifications:
| 2008 Audi Q7 | 2009 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | Q7 | FX |
| Year Released | 2008 | 2009 |
| Body Type | SUV | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 345 HP | 303 HP |
| Engine RPM | 6800 RPM | 6800 RPM |
| Torque | 440 Nm | 355 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2240 kg | 1719 kg |
| Vehicle Length | 5090 mm | 4870 mm |
| Vehicle Width | 1990 mm | 1930 mm |
| Vehicle Height | 1740 mm | 1660 mm |
| Wheelbase Size | 3010 mm | 2890 mm |
| Fuel Consumption Overall | 13.6 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 100 L | 90 L |
