2009 Acura RL vs. 2006 Infiniti FX
To start off, 2009 Acura RL is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2006 Infiniti FX 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 19 more horse power than 2009 Acura RL. (301 HP @ 6300 RPM) In normal driving conditions, 2006 Infiniti FX should accelerate faster than 2009 Acura RL. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti FX weights approximately 380 kg more than 2009 Acura RL. 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 Infiniti FX (454 Nm @ 4000 RPM) has 87 more torque (in Nm) than 2009 Acura RL. (367 Nm @ 5000 RPM). This means 2006 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RL.
Compare all specifications:
| 2009 Acura RL | 2006 Infiniti FX | |
| Make | Acura | Infiniti |
| Model | RL | FX |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 4490 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 320 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 367 Nm | 454 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1575 kg | 1955 kg |
| Vehicle Length | 4980 mm | 4810 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1660 mm |
| Wheelbase Size | 2810 mm | 2860 mm |
| Fuel Consumption | 10.7 L/100km | 13.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 73 L | 90 L |
