2020 Chevrolet Suburban vs. 2020 GMC Yukon XL

Detailed Review, Specifications & Comparison

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Safety

When descending a steep, off-road slope, the Suburban Z71’s standard Hill Descent Control allows you to creep down safely. The Yukon XL doesn’t offer Hill Descent Control.

Both the Suburban and the Yukon XL have standard driver and passenger frontal airbags, front side-impact airbags, front seat center airbag, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all wheel drive, crash mitigating brakes, lane departure warning systems, blind spot warning systems, front parking sensors 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 Chevrolet Suburban is safer than the GMC Yukon XL:

Suburban

Yukon XL

Passenger

STARS

4 Stars

4 Stars

Neck Injury Risk

38%

43%

Neck Stress

163 lbs.

198 lbs.

Neck Compression

89 lbs.

120 lbs.

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

Warranty

There are over 73 percent more Chevrolet dealers than there are GMC dealers, which makes it much easier should you ever need service under the Suburban’s warranty.

Reliability

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Chevrolet vehicles are better in initial quality than GMC vehicles. J.D. Power ranks Chevrolet 6th in initial quality, above the industry average. With 9 more problems per 100 vehicles, GMC is ranked 12th, 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 Chevrolet vehicles are more reliable than GMC vehicles. J.D. Power ranks Chevrolet fourth in reliability, above the industry average. With 46 more problems per 100 vehicles, GMC is ranked 22nd.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Chevrolet vehicles are more reliable than GMC vehicles. Consumer Reports ranks Chevrolet 2 places higher in reliability than GMC.

Engine

The Suburban’s optional 6.2 V8 produces 65 more horsepower (420 vs. 355) and 77 lbs.-ft. more torque (460 vs. 383) than the Yukon XL’s standard 5.3 V8.

Suspension and Handling

The Suburban Premier handles at .77 G’s, while the Yukon XL Denali 4x4 pulls only .76 G’s of cornering force in a Motor Trend skidpad test.

The Suburban Premier executes Motor Trend’s “Figure Eight” maneuver quicker than the Yukon XL Denali 4x4 (27.8 seconds @ .62 average G’s vs. 28.4 seconds @ .64 average G’s).

Payload

The Suburban has a higher standard payload capacity than the Yukon XL (1670 vs. 1610 lbs.).

Economic Advantages

According to The Car Book by Jack Gillis, the Suburban is less expensive to operate than the Yukon XL because typical repairs cost much less on the Suburban than the Yukon XL, including $146 less for a water pump, $404 less for a muffler, $25 less for a fuel pump and $119 less for a power steering pump.

Recommendations

Consumer Reports® recommends the Chevrolet Suburban, based on reliability, safety and performance.

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

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