2004 Audi A4 vs. 2008 Infiniti FX
To start off, 2008 Infiniti FX is newer by 4 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 4,494 cc (8 cylinders), 2008 Infiniti FX is equipped with a bigger engine. In terms of performance, 2008 Infiniti FX (320 HP @ 6000 RPM) has 192 more horse power than 2004 Audi A4. (128 HP @ 4000 RPM) In normal driving conditions, 2008 Infiniti FX should accelerate faster than 2004 Audi A4.
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 Infiniti FX (454 Nm @ 4000 RPM) has 134 more torque (in Nm) than 2004 Audi A4. (320 Nm @ 1900 RPM). This means 2008 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2008 Infiniti FX has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2008 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A4 | FX |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 320 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 454 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 79.5 mm | 93 mm |
| Engine Stroke Size | 95.5 mm | 83 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4550 mm | 4810 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Tank Capacity | 66 L | 90 L |
