2007 Audi A4 vs. 2013 Infiniti FX
To start off, 2013 Infiniti FX is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,696 cc (6 cylinders), 2013 Infiniti FX is equipped with a bigger engine. In terms of performance, 2013 Infiniti FX (321 HP @ 7000 RPM) has 66 more horse power than 2007 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2013 Infiniti FX should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti FX weights approximately 665 kg more than 2007 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, 2013 Infiniti FX (362 Nm @ 5200 RPM) has 32 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2013 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2013 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A4 | FX |
| Year Released | 2007 | 2013 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 321 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 330 Nm | 362 Nm |
| Torque RPM | 3250 RPM | 5200 RPM |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 96 mm | 86 mm |
| Fuel Type | Diesel | Natural Gas (CNG) |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1278 kg | 1943 kg |
| Vehicle Length | 4590 mm | 4859 mm |
| Vehicle Width | 1780 mm | 1928 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2885 mm |
| Fuel Consumption | 8.7 L/100km | 9.3 L/100km |
| Fuel Consumption City | 12.4 L/100km | 13.4 L/100km |
