2006 Infiniti QX56 vs. 2013 Lexus RX
To start off, 2013 Lexus RX is newer by 7 year(s). Which means there will be less support and parts availability for 2006 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2006 Infiniti QX56 would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX56 (315 HP @ 4900 RPM) has 49 more horse power than 2013 Lexus RX. (266 HP @ 6200 RPM). In normal driving conditions, 2006 Infiniti QX56 should accelerate faster than 2013 Lexus RX. With that said, vehicle weight also plays an important factor in acceleration. 2013 Lexus RX weights approximately 575 kg more than 2006 Infiniti QX56.
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 QX56 (529 Nm @ 3600 RPM) has 193 more torque (in Nm) than 2013 Lexus RX. (336 Nm @ 4700 RPM). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2013 Lexus RX. 2006 Infiniti QX56 has automatic transmission and 2013 Lexus RX has manual transmission. 2013 Lexus RX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti QX56 | 2013 Lexus RX | |
| Make | Infiniti | Lexus |
| Model | QX56 | RX |
| Year Released | 2006 | 2013 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 5555 cc | 211 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 266 HP |
| Engine RPM | 4900 RPM | 6200 RPM |
| Torque | 529 Nm | 336 Nm |
| Torque RPM | 3600 RPM | 4700 RPM |
| Engine Bore Size | 98 mm | 94 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Engine Compression Ratio | 9.8:1 | 10.8:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | front |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1895 kg |
| Vehicle Length | 5260 mm | 4770 mm |
| Vehicle Width | 2010 mm | 1885 mm |
| Vehicle Height | 1980 mm | 1720 mm |
| Wheelbase Size | 3140 mm | 2740 mm |
| Fuel Consumption Highway | 13.1 L/100km | 8.3 L/100km |
| Fuel Consumption City | 18.1 L/100km | 11.8 L/100km |
