2006 Audi A8 vs. 2013 Infiniti FX
To start off, 2013 Infiniti FX is newer by 7 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2013 Infiniti FX (385 HP @ 6500 RPM) has 56 more horse power than 2006 Audi A8. (329 HP @ 6500 RPM) In normal driving conditions, 2013 Infiniti FX should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti FX weights approximately 212 kg more than 2006 Audi A8. 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, 2013 Infiniti FX (500 Nm @ 4400 RPM) has 70 more torque (in Nm) than 2006 Audi A8. (430 Nm @ 3500 RPM). This means 2013 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8. 2013 Infiniti FX has automatic transmission and 2006 Audi A8 has manual transmission. 2006 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 2013 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | A8 | FX |
| Year Released | 2006 | 2013 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3696 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 385 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 430 Nm | 500 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 84.6 mm | 95 mm |
| Engine Stroke Size | 93 mm | 87 mm |
| Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
| Acceleration 0-100mph | 6.3 seconds | 5.7 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1855 kg | 2067 kg |
| Vehicle Length | 5060 mm | 4859 mm |
| Vehicle Width | 1900 mm | 1928 mm |
| Vehicle Height | 1450 mm | 1680 mm |
| Wheelbase Size | 2950 mm | 2885 mm |
