2009 Audi A8 vs. 2008 Infiniti FX
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2008 Infiniti FX would be higher. At 4,172 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (329 HP @ 6500 RPM) has 32 more horse power than 2008 Infiniti FX. (297 HP @ 6800 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2008 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 535 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, 2009 Audi A8 (431 Nm @ 3500 RPM) has 88 more torque (in Nm) than 2008 Infiniti FX. (343 Nm @ 4800 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti FX.
Compare all specifications:
| 2009 Audi A8 | 2008 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A8 | FX |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3498 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 297 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 431 Nm | 343 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Fuel Type | Gasoline | 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 | 1855 kg | 1320 kg |
| Vehicle Length | 5060 mm | 4810 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1680 mm |
| Wheelbase Size | 2950 mm | 2810 mm |
| Fuel Consumption Overall | 8.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
