2008 Audi S4 vs. 2013 Infiniti FX
To start off, 2013 Infiniti FX is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2013 Infiniti FX (385 HP @ 6500 RPM) has 45 more horse power than 2008 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2013 Infiniti FX should accelerate faster than 2008 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti FX weights approximately 312 kg more than 2008 Audi S4. 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 (500 Nm @ 4400 RPM) has 90 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2013 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
| 2008 Audi S4 | 2013 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | S4 | FX |
| Year Released | 2008 | 2013 |
| Body Type | Station Wagon | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3696 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 385 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 500 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Natural Gas (CNG) |
| Acceleration 0-100mph | 5.9 seconds | 5.7 seconds |
| 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 | 1755 kg | 2067 kg |
| Vehicle Length | 4590 mm | 4859 mm |
| Vehicle Width | 1730 mm | 1928 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2650 mm | 2885 mm |
