Lithia Auto Stores

Compare the2024 Mercedes GLSVS 2024 GMC Yukon XL

2024 Mercedes GLS
2024 GMC Yukon XL

Safety

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For enhanced safety, the front and second-row seat shoulder belts of the Mercedes GLS 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 GMC Yukon XL doesn’t offer pretensioners for its second-row seat belts.

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

The Mercedes GLS has a standard driver’s side knee airbag mounted low on the dashboard. The knee airbag helps prevent the driver from sliding under the seatbelts or the main frontal airbag; this keeps the driver better positioned during a collision for maximum protection. A knee airbag also helps keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The Yukon XL doesn’t offer knee airbags.

The GLS offers an optional Post Collision Brake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Yukon XL 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 GLS. But it costs extra on the Yukon XL.

Earlier warning of stopped traffic, traffic signals, dangerous road conditions, weather, or accidents, can keep driver's safer and prevent crashes. The GLS has Car-to-X Communication, a system that seamlessly communicates important warnings to the driver about impending danger, if they're available. The Yukon XL doesn’t offer a system that can receive automated systems from other vehicles.

The GLS has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. A system to reveal vehicles in the Yukon XL’s blind spot costs extra.

To help make backing out of a parking space safer, the GLS has standard Rear Cross-Traffic Alert and Active Brake Assist automatically engages the brakes to help avoid a collision. GMC charges extra for Rear Cross Traffic Alert on the Yukon XL and the Yukon XL’s Rear Cross Traffic Alert does not include automatic braking.

The GLS’ 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 Yukon XL doesn’t offer a driver alert monitor.

For better protection of the passenger compartment, the GLS 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 Yukon XL uses a body-on-frame design, which has no frame members above the floor of the vehicle.

Both the GLS and the Yukon XL 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, lane departure warning systems and rearview cameras.

Warranty

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The GLS comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Yukon XL’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The GLS’ corrosion warranty is unlimited miles longer than the Yukon XL’s (unlimited vs. 100,000 miles).

Reliability

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For smoother operation, better efficiency and fewer moving parts, the engines in the GLS have an overhead cam design, rather than the old pushrod design of some of the engines in the Yukon XL.

Engine

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The GLS has more powerful engines than the Yukon XL:

Horsepower

Torque

GLS 450 3.0 turbo 6-cylinder hybrid

375 HP

369 lbs.-ft.

GLS 580 4.0 turbo V8 hybrid

510 HP

538 lbs.-ft.

Maybach GLS 600 4.0 turbo V8 hybrid

550 HP

538 lbs.-ft.

Yukon XL 5.3 V8

355 HP

383 lbs.-ft.

Yukon XL Denali 6.2 V8

420 HP

460 lbs.-ft.

Fuel Economy and Range

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On the EPA test cycle the GLS gets better mileage than the Yukon XL:

MPG

GLS

AWD

580 4.0 turbo V8 Hybrid

14 city/20 hwy

600 4.0 turbo V8 Hybrid

14 city/19 hwy

3.0 turbo 6-cyl. Hybrid

19 city/24 hwy

Yukon XL

RWD

5.3 OHV V8

15 city/20 hwy

6.2 OHV V8

14 city/19 hwy

AWD

5.3 OHV V8

15 city/18 hwy

6.2 OHV V8

14 city/18 hwy

Regenerative brakes improve the GLS’ fuel efficiency by converting inertia back into energy instead of wasting it. The Yukon XL doesn’t offer a regenerative braking system.

The GLS has a standard locking fuel door which locks and unlocks with the power locks. The fuel filler door is not lockable on the Yukon XL. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes GLS higher (5 to 7 out of 10) than the GMC Yukon XL (3 to 6). This means the GLS produces up to 24.5 pounds less smog-producing pollutants than the Yukon XL every 15,000 miles.

Brakes and Stopping

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For better stopping power the GLS’ standard brake rotors are larger than those on the Yukon XL:

GLS

Yukon XL

Front Rotors

14.8 inches

13.5 inches

Tires and Wheels

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For better traction, the GLS has larger standard tires than the Yukon XL (F:275/45R21 & R:315/40R21 vs. 265/65R18). The GLS’ optional tires are larger than the largest tires available on the Yukon XL (F:285/40R23 & R:325/35R23 vs. 275/60R20).

The GLS’ standard 275/45R21 front and 315/40R21 rear tires provide better handling because they have a lower 45 series front and 40 series rear profile (height to width ratio) that provides a stiffer sidewall than the Yukon XL’s standard 65 series tires. The GLS’ optional 285/40R23 front and 325/35R23 rear tires have a lower 40 series front and 35 series rear profile than the Yukon XL’s optional 50 series tires.

For better ride, handling and brake cooling the GLS has standard 21-inch wheels. Smaller 18-inch wheels are standard on the Yukon XL. The GLS’ optional 23-inch wheels are larger than the 22-inch wheels optional on the Yukon XL.

Suspension and Handling

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The GLS has standard front and rear stabilizer bars, which help keep the GLS flat and controlled during cornering. The Yukon XL’s suspension doesn’t offer a rear stabilizer bar.

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

The GLS offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. GMC doesn’t offer an active suspension on the Yukon XL.

The GLS’ drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Yukon XL doesn’t offer drift compensation steering.

For better maneuverability, the GLS’ turning circle is 1.3 feet tighter than the Yukon XL’s (41 feet vs. 42.3 feet). The GLS’ turning circle is 2.3 feet tighter than the Yukon XL w/20-22 inch wheels’ (41 feet vs. 43.3 feet).

For greater off-road capability the GLS has a 2.1 inches greater minimum ground clearance than the Yukon XL (10.1 vs. 8 inches), allowing the GLS to travel over rougher terrain without being stopped or damaged. The GLS Off-Road Package’s minimum ground clearance is 1.3 inches higher than on the Yukon XL Air Ride (11.3 vs. 10 inches).

Chassis

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The GLS 450 is 1 foot, 8.3 inches shorter than the Yukon XL, making the GLS easier to handle, maneuver and park in tight spaces.

Unibody construction lowers the GLS’ 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 Yukon XL doesn’t use unibody construction, but a body-on-frame design.

Cargo Capacity

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The GLS has a standard third row seat which folds flat into the floor. This completely clears a very large cargo area quickly. The Yukon XL doesn’t offer seats that fold into the floor.

Towing

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The GLS’ standard towing capacity is much higher than the Yukon XL’s (7716 vs. 7500 pounds).

Ergonomics

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Unlike the driver-only memory system in the Yukon XL SLT/AT4/Denali, the GLS has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position, suspension setting, power steering assist, outside mirror angle, climate settings and radio stations and the front passenger seat also adjusts to the new passenger’s preset preferences.

The GLS’ 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 Yukon XL’s rear power window switches have to be held the entire time to close them fully.

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

Heated windshield washer fluid is optional on the GLS to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The Yukon XL doesn’t offer heated windshield washer fluid.

To help drivers avoid possible obstacles, the GLS has standard cornering lights to illuminate around corners when the turn signals are activated. The Yukon XL doesn’t offer cornering lights. The GLS also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

To better shield the driver and front passenger’s vision, the GLS has standard dual-element sun visors that can block glare from two directions simultaneously. The Yukon XL doesn’t offer secondary sun visors.

Manual rear side window sunshades are available in the GLS to help block heat and glare for the rear passengers. The Yukon XL doesn’t offer rear side window sunshades.

The GLS has standard heated front and optional heated second and third row seats, which keep the driver and passengers extremely comfortable in the winter. GMC doesn’t offer heated seats in the third row of the Yukon XL.

The GLS has standard front air conditioned seats and offers them optionally in the second row. This keeps the passengers comfortable and takes the sting out of hot seats in summer. The Yukon XL doesn’t offer air-conditioned seats for the second row.

The GLS offers an optional center folding armrest for the third row rear passengers. A center armrest helps make rear passengers more comfortable and can provide a barrier between children. The Yukon XL doesn’t offer a third row rear seat center armrest.

Both the GLS and the Yukon XL offer available massaging front seats. The GLS also offers optional massaging second row seats in order to maximize comfort and eliminate fatigue on long trips. Massaging second row seats aren’t available in the Yukon XL.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes GLS has a standard wireless phone charging system (Qi) in the center console and one for the rear passengers. Only the Yukon XL SLT/AT4/Denali offers wireless charging.

Economic Advantages

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According to The Car Book by Jack Gillis, the GLS is less expensive to operate than the Yukon XL because it costs $218 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the GLS than the Yukon XL, including $318 less for a muffler, $91 less for a fuel pump and $865 less for a timing belt/chain.

Recommendations

© 1999 - 2024Advanta-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 (“Advanta-STAR”). 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. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. XPYNN-M34HG 2a06:98c0:3600::103 2024/11/21

J.D. Power and Associates rated the GLS third among large premium suvs in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Yukon XL isn’t in the top three.

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