2020 Infiniti QX50 vs. 2020 Audi Q8

Detailed Review, Specifications & Comparison

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Safety

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Over 200 people are killed each year when backed over by motor vehicles. The QX50 has standard Rear Automatic Braking that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Q8 doesn’t offer backup collision prevention brakes.

Both the QX50 and the Q8 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available all wheel drive and around view monitors.

Warranty

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The QX50 comes with a full 4-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Q8’s 4-year/50,000-mile basic warranty expires 10,000 miles sooner.

Infiniti’s powertrain warranty covers the QX50 2 years and 20,000 miles longer than Audi covers the Q8. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Q8 ends after only 4 years or 50,000 miles.

Reliability

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To reliably start during all conditions and help handle large electrical loads, the QX50 has a standard 720-amp battery. The Q8’s 380-amp battery isn’t as powerful.

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 QX50’s reliability 49 points higher than the Q8.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Infiniti vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Infiniti 19th in initial quality. With 5 more problems per 100 vehicles, Audi is ranked 22nd.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Infiniti vehicles are more reliable than Audi vehicles. Consumer Reports ranks Infiniti 1 place higher in reliability than Audi.

Transmission

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The QX50 has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The Q8 doesn’t offer a CVT.

Brakes and Stopping

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The QX50 stops much shorter than the Q8:

QX50

Q8

60 to 0 MPH

121 feet

141 feet

Motor Trend

Tires and Wheels

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The QX50 has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The Q8 doesn’t offer vehicle monitored tire inflation.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the QX50 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Q8 doesn’t offer run-flat tires.

Suspension and Handling

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The QX50 Essential AWD handles at .84 G’s, while the Q8 Prestige pulls only .83 G’s of cornering force in a Motor Trend skidpad test.

For better maneuverability, the QX50’s turning circle is 7.1 feet tighter than the Q8’s (36.4 feet vs. 43.5 feet).

For greater off-road capability the QX50 has a 2.8 inches greater minimum ground clearance than the Q8 (8.6 vs. 5.8 inches), allowing the QX50 to travel over rougher terrain without being stopped or damaged.

Chassis

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The Infiniti QX50 may be more efficient, handle and accelerate better because it weighs about 900 to 1200 pounds less than the Audi Q8.

The QX50 is 11.9 inches shorter than the Q8, making the QX50 easier to handle, maneuver and park in tight spaces.

The design of the Infiniti QX50 amounts to more than styling. The QX50 has an aerodynamic coefficient of drag of .32 Cd. That is lower than the Q8 (.35) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the QX50 get better fuel mileage.

The QX50 uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The Q8 doesn’t offer active noise cancellation.

Passenger Space

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The QX50 has 3.9 inches more front headroom and 1 inch more rear headroom than the Q8.

The front step up height for the QX50 is 2.3 inches lower than the Q8 (17.2” vs. 19.5”). The QX50’s rear step up height is 2.1 inches lower than the Q8’s (17.7” vs. 19.8”).

Cargo Capacity

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The QX50 has a larger cargo volume with its rear seat up than the Q8 with its rear seat up (31.4 vs. 30.5 cubic feet). The QX50 has a larger cargo volume with its rear seat folded than the Q8 with its rear seat folded (65.1 vs. 60.7 cubic feet).

A low lift-over cargo hatch design makes loading and unloading the QX50 easier. The QX50’s cargo hatch lift-over height is 26.6 inches, while the Q8’s liftover is 33.7 inches.

The QX50’s cargo area is larger than the Q8’s in almost every dimension:

QX50

Q8

Length to seat (2nd/1st)

39”/71.7”

41.1”/75.4”

Max Width

54.5”

54”

Min Width

41.5”

39.8”

Height

31.2”

29”

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Infiniti service is better than Audi. J.D. Power ranks Infiniti fourth in service department satisfaction. With a 21% lower rating, Audi is ranked 8th.

Ergonomics

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To improve rear visibility by keeping the rear window clear, the QX50 has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the Q8 only has an intermittent setting, so in a hard rain visibility isn’t as good.

To help drivers see further while navigating curves, the QX50 (except Pure/Luxe) offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Q8 doesn’t offer cornering lights.

Model Availability

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The QX50 is available in both front-wheel drive and four-wheel drive configurations. The Q8 doesn’t offer a two-wheel drive configuration.

Economic Advantages

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Insurance will cost less for the QX50 owner. The Complete Car Cost Guide estimates that insurance for the QX50 will cost $2905 to $5855 less than the Q8 over a five-year period.

The QX50 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the QX50 will retain 47.09% to 47.54% of its original price after five years, while the Q8 only retains 45.57% to 45.71%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Infiniti QX50 will be $32919 to $34103 less than for the Audi Q8.

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 2020/07/12

Consumer Reports® recommends the Infiniti QX50, based on reliability, safety and performance.

The Infiniti QX50 outsold the Audi Q8 by 31% during 2019.

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