2009 Audi A4 vs. 2005 Infiniti FX
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2005 Infiniti FX would be higher. At 3,491 cc (6 cylinders), 2005 Infiniti FX is equipped with a bigger engine. In terms of performance, 2005 Infiniti FX (280 HP) has 28 more horse power than 2009 Audi A4. (252 HP) In normal driving conditions, 2005 Infiniti FX should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti FX weights approximately 704 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti FX. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2005 Infiniti FX (366 Nm) has 36 more torque (in Nm) than 2009 Audi A4. (330 Nm). This means 2005 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2005 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A4 | FX |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 3491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 280 HP |
| Torque | 330 Nm | 366 Nm |
| Engine Bore Size | 84.5 mm | 96.1 mm |
| Engine Stroke Size | 92.8 mm | 81 mm |
| Engine Compression Ratio | 12.5:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1864 kg |
| Vehicle Length | 4550 mm | 4810 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1660 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 10.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
