2001 Audi A8 vs. 2006 Infiniti FX
To start off, 2006 Infiniti FX is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Audi A8. In addition, the cost of maintenance, including insurance, on 2001 Audi A8 would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti FX is equipped with a bigger engine. In terms of performance, 2006 Infiniti FX (320 HP @ 6400 RPM) has 64 more horse power than 2001 Audi A8. (256 HP @ 6000 RPM) In normal driving conditions, 2006 Infiniti FX should accelerate faster than 2001 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti FX weights approximately 125 kg more than 2001 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2001 Audi A8. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti FX will offer significantly more control. 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, 2006 Infiniti FX (454 Nm @ 4000 RPM) has 104 more torque (in Nm) than 2001 Audi A8. (350 Nm @ 3250 RPM). This means 2006 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A8.
Compare all specifications:
| 2001 Audi A8 | 2006 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A8 | FX |
| Year Released | 2001 | 2006 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3695 cc | 4490 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 320 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 350 Nm | 454 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 82.4 mm | 82.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1955 kg |
| Vehicle Length | 5040 mm | 4810 mm |
| Vehicle Width | 1890 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1660 mm |
| Wheelbase Size | 2410 mm | 2860 mm |
| Fuel Consumption Overall | 13 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
