2020 Audi Q7 vs. 2020 Infiniti QX80

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 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 2020/04/03

For enhanced safety, the front and middle seat shoulder belts of the Audi Q7 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.

Both the Q7 and QX80 have child safety locks to prevent children from opening the rear doors. The Q7 has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The QX80’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

The Q7 has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The QX80 doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Q7. But it costs extra on the QX80.

When descending a steep, off-road slope, the Q7’s standard Hill Descent Assist allows you to creep down safely. The QX80 doesn’t offer Hill Descent Assist.

A passive infrared night vision system optional on the Q7 Prestige helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The QX80 doesn’t offer a night vision system.

For better protection of the passenger compartment, the Q7 uses safety cell construction with a three-dimensional high-strength frame that surrounds the passenger compartment. It provides extra impact protection and a sturdy mounting location for door hardware and side impact beams. The QX80 uses a body-on-frame design, which has no frame members above the floor of the vehicle.

Both the Q7 and the QX80 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available blind spot warning systems, around view monitors and rear cross-path warning.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Audi Q7 is safer than the Infiniti QX80:

Q7

QX80

OVERALL STARS

4 Stars

3 Stars

Driver

STARS

4 Stars

2 Stars

Passenger

STARS

4 Stars

3 Stars

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the Q7 the rating of “Top Pick” for 2017, a rating granted to only 185 vehicles tested by the IIHS. The QX80 has not been tested, yet.

Warranty

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The Q7’s corrosion warranty is 5 years longer than the QX80’s (12 vs. 7 years).

There are over 42 percent more Audi dealers than there are Infiniti dealers, which makes it easier should you ever need service under the Q7’s warranty.

Reliability

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J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Audi vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Audi 8th in reliability, above the industry average. With 4 more problems per 100 vehicles, Infiniti is ranked 11th.

Fuel Economy and Range

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On the EPA test cycle the Q7 55 TFSI gets better fuel mileage than the QX80 AWD (17 city/21 hwy vs. 13 city/19 hwy).

On the EPA test cycle the Q7 45 TFSI gets better fuel mileage than the QX80 AWD (19 city/25 hwy vs. 13 city/19 hwy).

Regenerative brakes improve the Q7 55 TFSI’s fuel efficiency by converting inertia back into energy instead of wasting it. The QX80 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Q7’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The QX80 doesn’t offer an automatic engine start/stop system.

Transmission

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An eight-speed automatic is standard on the Audi Q7, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the QX80.

Brakes and Stopping

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For better stopping power the Q7 55 TFSI’s front brake rotors are larger than those on the QX80:

Q7 55 TFSI

QX80

Front Rotors

14.8 inches

13.8 inches

The Q7 stops much shorter than the QX80:

Q7

QX80

70 to 0 MPH

160 feet

185 feet

Car and Driver

60 to 0 MPH

117 feet

130 feet

Motor Trend

60 to 0 MPH (Wet)

137 feet

155 feet

Consumer Reports

Tires and Wheels

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For better traction, the Q7’s optional tires are larger than the largest tires available on the QX80 (285/45R20 vs. 275/60R20).

The Q7’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the QX80’s standard 60 series tires. The Q7 Prestige’s optional tires have a lower 35 series profile than the QX80’s optional 50 series tires.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the Q7 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The QX80 doesn’t offer run-flat tires.

Suspension and Handling

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The Q7 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 Q7 Prestige handles at .86 G’s, while the QX80 AWD pulls only .72 G’s of cornering force in a Car and Driver skidpad test.

The Q7 Premium Plus executes Motor Trend’s “Figure Eight” maneuver 2.2 seconds quicker than the QX80 AWD (26.4 seconds @ .68 average G’s vs. 28.6 seconds @ .57 average G’s).

For greater off-road capability the Q7 w/Air Suspension has a greater minimum ground clearance than the QX80 (9.7 vs. 9.2 inches), allowing the Q7 to travel over rougher terrain without being stopped or damaged.

Chassis

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The Audi Q7 may be more efficient, handle and accelerate better because it weighs about 850 to 900 pounds less than the Infiniti QX80.

The Q7 is 10.9 inches shorter than the QX80, making the Q7 easier to handle, maneuver and park in tight spaces.

The Q7 is 7.3 inches shorter in height than the QX80, making the Q7 much easier to wash and garage and drive (lower center of gravity).

Unibody construction lowers the Q7’s center of gravity significantly without reducing ground clearance. This contributes to better on the road handling and better off-road performance and stability. In addition, unibody construction makes the chassis stiffer, improving handling and reducing squeaks and rattles. The QX80 uses body-on-frame design instead.

Passenger Space

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The Q7 has 2.1 inches more front legroom and .4 inches more third row legroom than the QX80.

The front step up height for the Q7 is 3.8 inches lower than the QX80 (18.6” vs. 22.4”). The Q7’s rear step up height is 4.1 inches lower than the QX80’s (18.7” vs. 22.8”).

Cargo Capacity

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A low lift-over cargo hatch design makes loading and unloading the Q7 easier. The Q7’s cargo hatch lift-over height is 32.5 inches, while the QX80’s liftover is 35.8 inches.

To make loading groceries and cargo easier when your hands are full, the Q7’s liftgate can be opened and closed just by waving your foot, leaving your hands completely free. The QX80 doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

Ergonomics

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Unlike the driver-only memory system in the QX80, the Q7 Prestige offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The Q7 Prestige has a standard heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The QX80 doesn’t offer a heads-up display.

The Q7’s power parking brake sets with one touch and releases with one touch or automatically. The QX80’s parking brake has to released manually.

The power windows standard on both the Q7 and the QX80 have locks to prevent small children from operating them. When the lock on the Q7 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.

A manual rear sunshade and rear side window sunshades are optional in the Q7 (except Premium) to help block heat and glare for the rear passengers. The QX80 doesn’t offer a rear or rear side window sunshades.

The Q7 Prestige offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the QX80.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Audi Q7 offers an optional wireless phone charging system (Qi) in the center console. The QX80 doesn’t offer wireless personal charging.

Economic Advantages

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According to The Car Book by Jack Gillis, the Q7 is less expensive to operate than the QX80 because typical repairs cost much less on the Q7 than the QX80, including $624 less for a power steering pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Audi Q7 will be $3734 to $19520 less than for the Infiniti QX80.

Recommendations

© 1999 - 2020 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 2020/04/03

Consumer Reports® recommends the Audi Q7, based on reliability, safety and performance. The Infiniti QX80 isn't recommended.

The Q7 was chosen as one of Car and Driver’s “Top Five/10Best Trucks” for 3 of the last 4 years. The QX80 has never been a Car and Driver “Top Five/10Best Truck” pick.

The Audi Q7 outsold the Infiniti QX80 by 81% during 2019.

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

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