2007 Audi RS4 vs. 2012 Infiniti FX
To start off, 2012 Infiniti FX is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Audi RS4. In addition, the cost of maintenance, including insurance, on 2007 Audi RS4 would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (420 HP @ 8205 RPM) has 185 more horse power than 2012 Infiniti FX. (235 HP @ 3750 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2012 Infiniti FX.
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, 2012 Infiniti FX (550 Nm @ 1750 RPM) has 120 more torque (in Nm) than 2007 Audi RS4. (430 Nm @ 5500 RPM). This means 2012 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi RS4.
Compare all specifications:
| 2007 Audi RS4 | 2012 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | RS4 | FX |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 420 HP | 235 HP |
| Engine RPM | 8205 RPM | 3750 RPM |
| Torque | 430 Nm | 550 Nm |
| Torque RPM | 5500 RPM | 1750 RPM |
| Top Speed | 249 km/hour | 212 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Width | 1820 mm | 1925 mm |
