2007 Audi S4 vs. 2008 Infiniti FX
To start off, 2008 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 6800 RPM) has 65 more horse power than 2008 Infiniti FX. (275 HP @ 6200 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2008 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 210 kg more than 2008 Infiniti FX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 47 more torque (in Nm) than 2008 Infiniti FX. (363 Nm @ 4800 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti FX.
Compare all specifications:
| 2007 Audi S4 | 2008 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | S4 | FX |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 275 HP |
| Engine RPM | 6800 RPM | 6200 RPM |
| Torque | 410 Nm | 363 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1320 kg |
| Vehicle Length | 4590 mm | 4810 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
| Fuel Consumption Overall | 13.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
