2006 Audi A8 vs. 2009 Infiniti EX
To start off, 2009 Infiniti EX is newer by 3 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, 2006 Audi A8 (329 HP @ 6500 RPM) has 36 more horse power than 2009 Infiniti EX. (293 HP @ 6800 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2009 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 136 kg more than 2009 Infiniti EX. 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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 87 more torque (in Nm) than 2009 Infiniti EX. (343 Nm @ 4800 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX. 2009 Infiniti EX 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. 2009 Infiniti EX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 2009 Infiniti EX | |
| Make | Audi | Infiniti |
| Model | A8 | EX |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 293 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 430 Nm | 343 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.3 seconds | 7.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 1719 kg |
| Vehicle Length | 5060 mm | 4640 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1450 mm | 1600 mm |
| Wheelbase Size | 2950 mm | 2810 mm |
| Fuel Consumption Overall | 8.8 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 90 L | 82 L |
