2004 Audi A4 vs. 2006 Infiniti FX
To start off, 2006 Infiniti FX is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti FX is equipped with a bigger engine. In terms of performance, 2006 Infiniti FX (320 HP @ 6400 RPM) has 133 more horse power than 2004 Audi A4. (187 HP @ 5100 RPM) In normal driving conditions, 2006 Infiniti FX should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti FX weights approximately 415 kg more than 2004 Audi A4. 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, 2006 Infiniti FX (454 Nm @ 4000 RPM) has 174 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 2006 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2006 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A4 | FX |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4490 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 320 HP |
| Engine RPM | 5100 RPM | 6400 RPM |
| Torque | 280 Nm | 454 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1955 kg |
| Vehicle Length | 4590 mm | 4810 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1660 mm |
| Wheelbase Size | 2470 mm | 2860 mm |
| Fuel Consumption | 6.6 L/100km | 13.1 L/100km |
| Fuel Consumption City | 12.6 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 8.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
