2008 Audi S8 vs. 2009 Infiniti FX
To start off, 2009 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (444 HP @ 7000 RPM) has 141 more horse power than 2009 Infiniti FX. (303 HP @ 6800 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2009 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S8 weights approximately 221 kg more than 2009 Infiniti FX. 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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 185 more torque (in Nm) than 2009 Infiniti FX. (355 Nm @ 4800 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti FX.
Compare all specifications:
| 2008 Audi S8 | 2009 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | S8 | FX |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 3498 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 303 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 540 Nm | 355 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1719 kg |
| Vehicle Width | 1900 mm | 1930 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
| Fuel Consumption Overall | 13.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
