2007 Audi A4 vs. 2011 Infiniti FX
To start off, 2011 Infiniti FX is newer by 4 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 5,000 cc (8 cylinders), 2011 Infiniti FX is equipped with a bigger engine. In terms of performance, 2011 Infiniti FX (390 HP @ 6500 RPM) has 193 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2011 Infiniti FX should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti FX weights approximately 432 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.
Because 2011 Infiniti FX is all wheel drive (AWD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti FX 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, 2011 Infiniti FX (500 Nm @ 4400 RPM) has 220 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2011 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 | 2011 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A4 | FX |
| Year Released | 2007 | 2011 |
| Body Type | Convertible | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 390 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 280 Nm | 500 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 2062 kg |
| Vehicle Length | 4580 mm | 4859 mm |
| Vehicle Width | 1400 mm | 1928 mm |
| Vehicle Height | 1780 mm | 1679 mm |
| Wheelbase Size | 2660 mm | 2885 mm |
| Fuel Tank Capacity | 70 L | 90 L |
