2007 Audi A8 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 A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 5,997 cc, 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 6200 RPM) has 147 more horse power than 2008 Infiniti FX. (297 HP @ 6800 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2008 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 675 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 A8 (580 Nm @ 4000 RPM) has 237 more torque (in Nm) than 2008 Infiniti FX. (343 Nm @ 4800 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti FX.
Compare all specifications:
| 2007 Audi A8 | 2008 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A8 | FX |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 3498 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 297 HP |
| Engine RPM | 6200 RPM | 6800 RPM |
| Torque | 580 Nm | 343 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | 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 | 1995 kg | 1320 kg |
| Vehicle Length | 5070 mm | 4810 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1680 mm |
| Wheelbase Size | 3080 mm | 2810 mm |
| Fuel Consumption Overall | 13.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
