2020 Lexus GX460 vs. 2019 Infiniti QX80

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/11

For enhanced safety, the front and middle seat shoulder belts of the Lexus GX460 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Infiniti QX80 doesn’t offer pretensioners for the middle seat belts.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the GX460. But it costs extra on the QX80.

When descending a steep, off-road slope, the GX460’s standard Downhill Assist Control allows you to creep down safely. The QX80 doesn’t offer Downhill Assist Control.

The GX460’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The QX80 doesn’t offer a driver alert monitor.

Both the GX460 and the QX80 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height-adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras and available around view monitors.

Warranty

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There are over 12 percent more Lexus dealers than there are Infiniti dealers, which makes it easier should you ever need service under the GX460’s warranty.

Reliability

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A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the GX460’s reliability 20 points higher than the QX80.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Lexus vehicles are better in initial quality than Infiniti vehicles. J.D. Power ranks Lexus 8th in initial quality, above the industry average. With 11 more problems per 100 vehicles, Infiniti is ranked 19th, below the industry average.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Lexus vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Lexus first in reliability, above the industry average. With 22 more problems per 100 vehicles, Infiniti is ranked 11th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Lexus vehicles are more reliable than Infiniti vehicles. Consumer Reports ranks Lexus first in reliability. Infiniti is ranked 6th.

Fuel Economy and Range

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On the EPA test cycle the GX460 gets better city fuel mileage than the QX80 AWD (15 city/19 hwy vs. 13 city/19 hwy).

Brakes and Stopping

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The GX460 stops much shorter than the QX80:

GX460

QX80

70 to 0 MPH

176 feet

185 feet

Car and Driver

60 to 0 MPH

117 feet

130 feet

Motor Trend

60 to 0 MPH (Wet)

143 feet

155 feet

Consumer Reports

Suspension and Handling

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The GX460 has active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The QX80 doesn’t offer an active sway bar system.

The GX460 offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads or off-road. The QX80’s suspension doesn’t offer adjustable shock absorbers.

The GX460 handles at .74 G’s, while the QX80 AWD pulls only .72 G’s of cornering force in a Car and Driver skidpad test.

Chassis

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The Lexus GX460 may be more efficient, handle and accelerate better because it weighs about 550 to 750 pounds less than the Infiniti QX80.

The GX460 is 1 foot, 6.1 inches shorter than the QX80, making the GX460 easier to handle, maneuver and park in tight spaces.

The GX460 is 5.7 inches narrower than the QX80, making the GX460 easier to handle and maneuver in traffic.

The design of the Lexus GX460 amounts to more than styling. The GX460 has an aerodynamic coefficient of drag of .35 Cd. That is lower than the QX80 (.367). A more efficient exterior helps keep the interior quieter and helps the GX460 get better fuel mileage.

Passenger Space

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The GX460 has 2.1 inches more front legroom, .4 inches more rear headroom and .5 inches more third row legroom than the QX80.

The front step up height for the GX460 is 1 inches lower than the QX80 (21.7” vs. 22.7”). The GX460’s rear step up height is 1.5 inches lower than the QX80’s (22” vs. 23.5”).

Cargo Capacity

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A low lift-over cargo hatch design makes loading and unloading the GX460 easier. The GX460’s cargo hatch lift-over height is 33.8 inches, while the QX80’s liftover is 35.8 inches.

The GX460’s rear cargo window opens separately from the rest of the right swing out door to allow quicker loading of small packages. The QX80’s rear cargo window doesn’t open.

Servicing Ease

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The GX460 has a maintenance free battery for long life without checking the battery’s water level. The QX80 doesn’t have a maintenance free battery, so the water level in the battery’s cells must be checked often to prevent damage.

J.D. Power and Associates surveys of service recipients show that Lexus service is better than Infiniti. J.D. Power ranks Lexus second in service department satisfaction. With a 3% lower rating, Infiniti is ranked fourth.

Ergonomics

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The power windows standard on both the GX460 and the QX80 have locks to prevent small children from operating them. When the lock on the GX460 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The QX80 prevents the driver from operating the other windows just as it does the other passengers.

Economic Advantages

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Insurance will cost less for the GX460 owner. The Complete Car Cost Guide estimates that insurance for the GX460 will cost $2520 to $4525 less than the QX80 over a five-year period.

The GX460 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the GX460 will retain 49.39% to 52.53% of its original price after five years, while the QX80 only retains 43.69% to 48.1%.

According to The Car Book by Jack Gillis, the GX460 is less expensive to operate than the QX80 because it costs $264 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost less on the GX460 than the QX80, including $45 less for front brake pads, $102 less for front struts, $38 less for a timing belt/chain and $23 less for a power steering pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Lexus GX460 will be $13401 to $27719 less than for the Infiniti QX80.

Recommendations

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/11

The Lexus GX460 outsold the Infiniti QX80 by 25% during the 2019 model year.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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