2011 Lexus IS vs. 2013 Infiniti QX
To start off, 2013 Infiniti QX is newer by 2 year(s). Which means there will be less support and parts availability for 2011 Lexus IS. In addition, the cost of maintenance, including insurance, on 2011 Lexus IS would be higher. At 5,552 cc (4 cylinders), 2013 Infiniti QX is equipped with a bigger engine. In terms of performance, 2013 Infiniti QX (395 HP @ 5800 RPM) has 89 more horse power than 2011 Lexus IS. (306 HP @ 6400 RPM) In normal driving conditions, 2013 Infiniti QX should accelerate faster than 2011 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti QX weights approximately 1056 kg more than 2011 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Infiniti QX is four wheel drive (4WD), it will have significant more traction and grip than 2011 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti QX will offer significantly more control. 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 QX (560 Nm @ 4000 RPM) has 185 more torque (in Nm) than 2011 Lexus IS. (375 Nm @ 4800 RPM). This means 2013 Infiniti QX will have an easier job in driving up hills or pulling heavy equipment than 2011 Lexus IS. 2011 Lexus IS has automatic transmission and 2013 Infiniti QX has manual transmission. 2013 Infiniti QX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2011 Lexus IS | 2013 Infiniti QX | |
| Make | Lexus | Infiniti |
| Model | IS | QX |
| Year Released | 2011 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 306 HP | 395 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 375 Nm | 560 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Diesel / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1600 kg | 2656 kg |
| Vehicle Length | 4580 mm | 5290 mm |
| Vehicle Width | 1801 mm | 2030 mm |
| Vehicle Height | 1425 mm | 1925 mm |
| Wheelbase Size | 2728 mm | 3075 mm |
| Fuel Consumption | 8.7 L/100km | 10.3 L/100km |
| Fuel Consumption City | 11.8 L/100km | 15.7 L/100km |
