2005 Lexus RX vs. 2013 Infiniti FX
To start off, 2013 Infiniti FX is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Lexus RX. In addition, the cost of maintenance, including insurance, on 2005 Lexus RX would be higher. At 3,696 cc (6 cylinders), 2013 Infiniti FX is equipped with a bigger engine. In terms of performance, 2013 Infiniti FX (385 HP @ 6500 RPM) has 184 more horse power than 2005 Lexus RX. (201 HP @ 5600 RPM) In normal driving conditions, 2013 Infiniti FX should accelerate faster than 2005 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti FX weights approximately 157 kg more than 2005 Lexus RX. 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 204 more torque (in Nm) than 2005 Lexus RX. (296 Nm @ 4400 RPM). This means 2013 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2005 Lexus RX.
Compare all specifications:
| 2005 Lexus RX | 2013 Infiniti FX | |
| Make | Lexus | Infiniti |
| Model | RX | FX |
| Year Released | 2005 | 2013 |
| Body Type | SUV | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 385 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 296 Nm | 500 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Engine Bore Size | 87.5 mm | 95 mm |
| Engine Stroke Size | 83 mm | 87 mm |
| Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
| Acceleration 0-100mph | 9 seconds | 5.7 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1910 kg | 2067 kg |
| Vehicle Length | 4750 mm | 4859 mm |
| Vehicle Width | 1850 mm | 1928 mm |
| Vehicle Height | 1680 mm | 1680 mm |
| Wheelbase Size | 2730 mm | 2885 mm |
