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GMC is a truck and SUV division of the General Motors Corporation that shares platforms with Chevrolet. The GMC Sierra is basically the same thing as the Chevrolet Silverado and the GMC Canyon is twins with the Chevrolet Colorado. The same thing goes for GMC’s SUV lineup of the Acadia, Terrain, and Yukon/Yukon XL, which all have a Chevy equivalent. The only thing GMC isn’t sharing with Chevy is the Hummer EV SUV, making it their only exclusive vehicle.
With both makes sharing the same engines, suspensions, and sheet metal, a lot of consumers may be wondering what the point of GMC is, if all of their vehicles are the same as Chevrolet trucks and SUVs. The answer is subtle but important, as GMC is positioned as an upscale version of Chevy, offering a bit more luxury, especially with the Denali trim. GM has long cross-platformed its brands with varying degrees of style and comfort, from budget entry-level to ultra-luxurious.
Currently, Chevrolet has 11 SUVs and crossover models ranging from sub-compact to full-size with several EV variants. For 2024, GMC has just 5 SUV models and isn’t messing around with the tiny ones or plug-in electrics. With a focus on mid-size and larger vehicles, GMC is only trying to capture a small part of the booming SUV/Crossover segment, but that narrow scope could mean higher quality. Here is how the 2024 GMC SUV lineup ranks in reliability, which ties into the overall value of their vehicles.
Every Ford SUV Model Ranked By Reliability
Ford’s are generally regarded as reliable vehicles, but some in the SUV lineup are a little more dependable than others.
In compiling this article, we have cross-referenced information about vehicle reliability, maintenance, and pricing from sources like J.D. Power, Kelley Blue Book, Edmunds, RepairPal, CarEdge, and Consumer Reports to give you the most up-to-date and accurate information possible. Please note that we have ranked the following models based on most reliable to least reliable.
1 2024 GMC Terrain
Reliability Score: 88/100
Introduced for the 2010 model year, the GMC Terrain was a mid-sized crossover SUV that shared a platform with the Pontiac Torrent and Chevy Equinox. That was also the final year for Pontiac, but that in no way reflects upon the quality and popularity of the vehicle. In 2018, the Terrain was re-positioned as a compact SUV, with new styling that is thankfully more bold than the monotonous conformity of most crossovers on the market. The 2024 model offers modest power that is fine for an everyday driver, but lacks any real performance options. Though it is offered in all-wheel drive, this is a paved road vehicle only.
Reliability
With 88 points out of 100 from J.D. Power, the 2024 Terrain is the highest ranked GMC SUV. That rating scale goes from 0-69 for Fair, 70-80 for Average, 81-90 for Great, and 91-100 for Best, so this is a solidly reliable vehicle. In terms of maintenance costs, the Terrain ranks above average and major repairs are extremely uncommon. Also, there have been no reported reoccurring problems with this vehicle, which is a fairly good indicator that it’s a trouble-free ride.
- Average Yearly Maintenance Cost: $558 (RepairPal)
- Est. Maintenance Cost During The First 10 Years: $7,706 (CarEdge)
- Total Recalls: 1 – Door strikers may fracture
- Worst ES Year To Buy Used: 2016
2 2024 GMC Acadia
Reliability Score: 84/100
Beginning as a full-size SUV in 2007, the GMC Acadia shrunk down to mid-size for its second generation in 2017. 2024 marks the third-gen Acadia with great new styling it shares with the Chevy Traverse. It is billed as a crossover, but it is simply a straight-up mid-size SUV without a hint of the glorified station wagon cues usually associated with the segment. The standard 328-horsepower turbocharged 2.5-liter inline-four cylinder engine actually cranks out 13 more ponies than its Chevy counterpart, and gives the Acadia plenty of zip. Four-wheel drive is available on most trims and the dedicated AT4 off-road version makes this a credible 4×4, as well as a solid family cruiser.
Reliability
The 2024 GMC Acadia gets a great rating for reliability, which covers defects, malfunctions, and design flaws from the powertrain to the technology. The average annual repair cost of $734 is much higher than the average $573 for mid-size SUVs, and when issues happen, they are more severe than other similar models. The most common issue, with 294 owners reporting the problem, is a broken 35R clutch wave plate inside the transmission, which requires a costly transmission rebuild.
- Average Yearly Maintenance Cost: $734 (RepairPal)
- Est. Maintenance Cost During The First 10 Years: $7,817 (CarEdge)
- Total Recalls: 0
- Worst ES Year To Buy Used: 2008
3 2024 GMC Yukon
Reliability Score: 80/100
GMC came out with the Yukon in 1991 and the full-size SUV was such a smash success that by 1994, Chevrolet had their own version of it in the Tahoe, with the luxury Cadillac Escalade coming in 1998. The fifth generation, debuting in 2021, brought some new style, while retaining the overall boxy look of the vehicle, and a few engineering tweaks increased the size of the already cavernous interior. For 2024, there are a 355-horsepower 5.3-liter and a 420-horsepower 6.2-liter V-8 engine to choose from, as well as a 3.0-liter turbo-diesel inline-six that grinds out 460 pound-feet of torque. This is a versatile SUV that can handle all the dirty work or be a high-profile luxury ride.
Reliability
The 2024 GMC Yukon received an 80/100 reliability score from J.D. Power, which is Average, barely missing out on Great by just one point. The annual repair cost of $747 is less than the $784 for full-size SUVs, earning it a 3.5 out of 5 “Above Average” rating from RepairPal. The most common problem, reported by almost 1,000 owners, is that the upper dash tends to crack, but that’s clearly not a mechanical issue. Other common issues involve broken door handles and failed power lock actuators, which, again, don’t have to do with the vehicle’s operation, but don’t seem like something one would expect on a high-end SUV.
- Average Yearly Maintenance Cost: $747 (RepairPal)
- Est. Maintenance Cost During The First 10 Years: $8,300 (CarEdge)
- Total Recalls: 0
- Worst Yukon Year To Buy Used: 2015
Every Luxury Car Brand Ranked By Reliability
With the luxury segment being more competitive than ever, here’s how the key players rank against each other regarding reliability.
4 2024 GMC Yukon XL
Reliability Score: Not Rated
The GMC Yukon XL seems like it’s a trim level for the Yukon, but it’s actually its own model. While the Yukon is the same as a Chevy Tahoe, the Yukon XL is the equivalent of a Chevy Suburban. The Suburban is one of the oldest nameplates in GM history, beginning as an over-sized station wagon in 1935, before morphing into the monster SUV it is known as in 1960.
GMC used to sell their version of it as the Suburban before changing it to Yukon XL in 2000. For all intents and purposes, it is a Yukon with the same look and engine options, but the XL is just longer with 15 inches of extra overall length and 14 inches of more wheelbase.
Reliability
The 2024 Yukon XL hasn’t been ranked for reliability by J.D. Power, but presumably it’s about the same as the Yukon. Then again, the yearly maintenance cost, as well as the 10-year cost, is higher with the XL. Also, the 2024 Chevrolet Suburban, which is mechanically identical to the Yukon XL, has a reliability rating of 78/100, which is a few points down from the Yukon. The XL has similar non-powertrain related issues as the Yukon, but the only real mechanical problem is a rare occurrence of engine stall due to a dirty throttle body.
- Average Yearly Maintenance Cost: $934 (RepairPal)
- Est. Maintenance Cost During The First 10 Years: $8,517 (CarEdge)
- Total Recalls: 0
- Worst Yukon XL Year To Buy Used: 2015
5 2024 GMC Hummer EV SUV
Reliability Score: Not Rated
Action superstar Arnold Schwarzenegger successfully lobbied to have the HUMVEE light military vehicle sold to consumers in 1992, manufactured by AM General, and in 1998 General Motors picked up the nameplate and marketed them as Hummer H2s and H3s. By 2010, the gas-guzzling behemoths were discontinued, but found new life as electric vehicles in 2022.
The GMC Hummer EV SUV is the heaviest consumer vehicle ever sold, tipping the scales at over 10,000 pounds. It is also equipped with a scary amount of power, with 625 to 830 horsepower options and a max 11,500 pound-feet of torque output. Much like the original Hummers, the EV SUV is completely unnecessary, but also incredibly cool.
Reliability
Neither the Hummer EV SUV nor the truck version, from any model year, has been rated for reliability, and the probable reason for that is because J.D. Power bases their rankings on “hundreds of thousands of independent and unbiased opinions of verified car owners” while not that many people have actually purchased one of these monster electric vehicles.
Edmunds gave it a 7.9 out of 10 rating, but that was for the test drive and not the reliability. U.S. News & World Report placed it 9th out of 17 luxury SUV EVs for reliability, but that doesn’t seem to be based on any data. There isn’t any good source for reliability for this vehicle, but there also aren’t any horror stories, which probably means it’s okay.
- Average Yearly Maintenance Cost: N/A (RepairPal)
- Est. Maintenance Cost During The First 10 Years: N/A (CarEdge)
- Total Recalls: 1 – Loose seat belt attachment bolt
- Worst Hummer EV SUV Year To Buy Used: 2022
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