2005 Audi A4 vs. 2011 Infiniti FX
To start off, 2011 Infiniti FX is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 5,000 cc (8 cylinders), 2011 Infiniti FX is equipped with a bigger engine. In terms of performance, 2011 Infiniti FX (390 HP @ 6500 RPM) has 220 more horse power than 2005 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2011 Infiniti FX should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti FX weights approximately 452 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Infiniti FX (500 Nm) has 275 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 2011 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2011 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A4 | FX |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 390 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 225 Nm | 500 Nm |
| Drive Type | 4WD | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1610 kg | 2062 kg |
| Vehicle Length | 4550 mm | 4859 mm |
| Vehicle Width | 1770 mm | 1928 mm |
| Vehicle Height | 1430 mm | 1679 mm |
| Wheelbase Size | 2770 mm | 2885 mm |
| Fuel Consumption | 8.4 L/100km | 11.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 66 L | 90 L |
