2020 Infiniti QX80 vs. 2021 Chevrolet Suburban

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 2020/10/30

The QX80’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Suburban doesn’t offer pre-crash pretensioners.

For enhanced safety, the front and middle seat shoulder belts of the Infiniti QX80 are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Chevrolet Suburban doesn’t offer height-adjustable middle seat belts.

The QX80 has standard Active Head Restraints (AHR), which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the AHR system moves the headrests forward to prevent neck and spine injuries. The Suburban doesn’t offer a whiplash protection system.

Over 200 people are killed each year when backed over by motor vehicles. The QX80 has standard Backup Collision Intervention that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Suburban doesn’t offer backup collision prevention brakes.

Both the QX80 and the Suburban 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, available all wheel drive, lane departure warning systems, blind spot warning systems and rear cross-path warning.

Warranty

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The QX80 comes with a full 4-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Suburban’s 3-year/36,000-mile basic warranty expires 1 year and 24,000 miles sooner.

Infiniti’s powertrain warranty covers the QX80 1 year and 10,000 miles longer than Chevrolet covers the Suburban. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Suburban ends after only 5 years or 60,000 miles.

The QX80’s corrosion warranty is 1 year and unlimited miles longer than the Suburban’s (7/unlimited vs. 6/100,000).

Reliability

© 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 2020/10/30

For smoother operation, better efficiency and fewer moving parts, the QX80 has an overhead cam design, rather than the old pushrod design of some of the engines in the Suburban.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Infiniti vehicles are more reliable than Chevrolet vehicles. Consumer Reports ranks Infiniti 12 places higher in reliability than Chevrolet.

Engine

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The QX80’s 5.6 DOHC V8 produces 45 more horsepower (400 vs. 355) and 30 lbs.-ft. more torque (413 vs. 383) than the Suburban’s standard 5.3 V8.

Tires and Wheels

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For better traction, the QX80 has larger tires than the Suburban (275/60R20 vs. 265/65R18).

The QX80’s standard tires provide better handling because they have a lower 60 series profile (height to width ratio) that provides a stiffer sidewall than the Suburban’s standard 65 series tires.

For better ride, handling and brake cooling the QX80 has standard 20-inch wheels. Smaller 18-inch wheels are standard on the Suburban.

Suspension and Handling

© 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 2020/10/30

The rear suspension of the QX80 uses air springs for a smoother, controlled ride than the Suburban, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The QX80 offers an available active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Chevrolet doesn’t offer an active suspension on the Suburban.

For better maneuverability, the QX80’s turning circle is 1 foot tighter than the Suburban’s (41.3 feet vs. 42.3 feet). The QX80’s turning circle is 2 feet tighter than the Suburban w/20-22 inch wheels’ (41.3 feet vs. 43.3 feet).

Chassis

© 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 2020/10/30

The QX80 is 1 foot, 3.5 inches shorter than the Suburban, making the QX80 easier to handle, maneuver and park in tight spaces.

Towing

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The QX80’s standard towing capacity is much higher than the Suburban’s (8500 vs. 7600 pounds).

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Infiniti service is better than Chevrolet. J.D. Power ranks Infiniti fourth in service department satisfaction. With a 33% lower rating, Chevrolet is ranked 13th.

Ergonomics

© 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 2020/10/30

The QX80’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Suburban’s rear power window switches have to be held the entire time to close them fully.

If the windows are left open on the QX80 the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the Suburban can only operate the windows from inside the vehicle, with the ignition on.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The QX80 offers available headlight washers to keep headlight output high. The Suburban doesn’t offer headlight washers.

To help drivers see further while navigating curves, the QX80 offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Suburban doesn’t offer cornering lights.

The QX80 has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel costs extra on the Suburban.

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