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Used
2021 GMC Yukon XL AT4
for sale
near me
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.






Vehicle information
Features
Reviews
Amazing experience.
Amazing experience. Not only were they able to help me get my car on a Saturday, but Regan was so helpful and friendly. He took the time to explain everything and show me how things worked. I am very happy with my new Buick. Thank you again Regan for all your help.
This is a luxury suv with plenty of room.
This is a luxury suv with plenty of room. I'm still learning the features. It is a smooth ride with a great interior. Great for towing a popup camper.






Used
2021 GMC Yukon XL 4WD AT4
Vehicle information
Features
Reviews
They went above and beyond the normal services even when
They went above and beyond the normal services even when they noticed a backup sensor was not working properly and they fixed it in the same service appointment.
Updated model
Read many reviews and researched this vehicle and that helped me decide on this vehicle. Traded in a older suburban for this updated Yukon. Look forward to driving it.






Certified
2021 GMC Yukon XL AT4
Vehicle information
Features
Reviews
Mr.Johnny B. Is the greatest he truly was amazing and
Mr.Johnny B. Is the greatest he truly was amazing and helped me after I was having one of the most difficult times finding a car after an unfortunate hit and run incident. I am forever thankful and will forever be a customer! If you are looking for a nice reliable car and a fair price go to Mac Haik Ford in Georgetown and go see Johnny B!!!!
2021 Yukon XL Denali Diesel 3.0
This Yukon XL has exceeded our expectations. We upgraded from a 2014 XL and it's like apples and oranges. From a size standpoint, the new design allows my 6'6 son to sit in the 3rd row. Not possible on the 2014 xl. Also, they have upgraded all of the finishes and with the new 10 speed tranny the XL drives and feels amazing. We also opted for the 3.0 diesel as that's what was available. We didn't even test drive one as they are hard to find - but man are we happy with the engine, gas mileage, and just how quiet it is. In city driving we're getting about 22 mpg, and then on highway expect to get about 27. Safety features and heads up display all work great. And, the sunroof thing is amazingly huge. Well done GMC and I highly recommend the Yukon XL to anyone that needs to move people in comfort. :)






Used
2021 GMC Yukon XL AT4
Vehicle information
Features
Reviews
I reached out concerning a vehicle listed on the website
I reached out concerning a vehicle listed on the website and they promptly answered my questions. We set up a test drive and they had the vehicle ready to roll! I loved it and we were able to move forward quickly with the trade in of my vehicle and purchase of the new one. Everyone we met was friendly and straightforward. There was a follow up email sent a few days after the purchase They were thorough, polite, and knowledgeable. Made the process easy!
Beautiful riding truck
Love the truck, lots of bells and whistles, smooth ride, satin Steele is a beautiful color. The Denali has lots of space for my four boys.






Used
2021 GMC Yukon XL AT4
Vehicle information
Features
Reviews
New car buying made easy.
New car buying made easy. The entire deal was completed through email and over the phone. Jason Davis was friendly and helpful. He answered my questions in a timely manner and made the experience simple and hassle free. The vehicle price was straightforward with no haggling required. I felt like I received a very fair trade in on my truck.






Used
2021 GMC Yukon XL 4WD AT4
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Reviews
Once I got in touch with the salesperson, & more
Once I got in touch with the salesperson, & more explicitly communicated my situation, things got better. They've had no prior experience w/ email checks from out of state Credit Unions. They're still getting their head around it & learning about it. Hopefully they'll resolve it by next week.






Used
2021 GMC Yukon XL 4WD AT4
Vehicle information
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Reviews
Michelle Deacon is my go-to sales person for all our
Michelle Deacon is my go-to sales person for all our fleet needs. She's professional, quick to respond, and has taken the time to learn what we need so she doesn't waste my time. I've purchased many vehicles from LaFontaine through Michelle, and the process is fast and easy from the request to delivery with very competitive prices. She goes above and beyond to meet our needs.






Used
2021 GMC Yukon XL 4WD AT4
Vehicle information
Features






Used
2021 GMC Yukon XL 4WD AT4
Vehicle information
Features
Reviews
Top notch
Hands down one of the best car buying experiences my wife and I have ever had. If you're looking for a competitive price on a vehicle and a smooth purchase, Gravity is the place. Patrick, Scott, Adam & James were incredible. We could not be more pleased! Thank you Gravity Sandy Springs team.






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Great customer service!
This dealership goes above and beyond to help with any problems I have had. My last two cars came from here as will my next one. Customer service is practiced here!






Used
2021 GMC Yukon XL AT4
Vehicle information
Features
Reviews
Since buying my 1500 Sierra in November 2021 during the
Since buying my 1500 Sierra in November 2021 during the chip shortage from a different dealer 4 hours from my house, I've always taken it to Ancira GMC in Boerne. At 119,000 miles now, it runs great, and I have to give credit to the guys there for being great at what they do.






Used
2021 GMC Yukon XL AT4
Vehicle information
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Reviews
Cyia was extremely helpful and pleasant.
Cyia was extremely helpful and pleasant. I ended up buying elsewhere at a dealership that was closer to me. It is not a reflection of anything the dealer did or didn't do. I spoke with Cyia and thanked him. He was very accepting and cordial.






Used
2021 GMC Yukon XL 4WD AT4
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Reviews
I have always had an excellent experience with service.
I have always had an excellent experience with service. I had to get my usual service for an oil change and my tires rotated. I was very happy this time because I was having some echoing on my phone calls and they were able to find the problem immediately, I just needed to update something.






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Reviews
If you are in the market for a car I would highly
If you are in the market for a car I would highly recommend DC Motors. My experience with the DC Motors team (Derek, Chris, and Jay)was excellent! They were responsive and answered all my questions. They were friendly and knowledgeable. My car purchasing experience with DC Motors was five stars!






Used
2021 GMC Yukon XL AT4
Vehicle information
Features
Reviews
Worth it
This is by far the best dealership I’ve ever purchased from. Every aspect was professional and i can tell they pride themselves on being transparent and straight forward. I give extra kudos to Jeff, my salesman. He was down to earth and sincere! If you’re reading this review, ask for him by name, he’ll take care of you!






Used
2021 GMC Yukon XL 4WD AT4
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Reviews
Entire experience was super easy!
Entire experience was super easy! Easiest car buying experience I've ever had. Had a car in service also and everything was done quick and correct.






Used
2021 GMC Yukon XL 4WD AT4
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Reviews
Service Manager Doug Roof is just simply the best.
Service Manager Doug Roof is just simply the best. Always provides straight forward analysis and practical advice regarding any repair situation and has been doing so for me over the last 15 years. Thank you, Doug! And kudos to the big guy, Chris, too.






Used
2021 GMC Yukon XL 4WD AT4
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Used
2021 GMC Yukon XL 4WD AT4
Vehicle information
Features






Used
2021 GMC Yukon XL AT4
Vehicle information
Features
Reviews
Recall Service Review
My recall service appointment on 9/7/23 was reschedule by Jason Jackson. The reason was the tech going to be out for my original appointment which was 9/8/23. Jason Jackson service consultant at Suburban took care of me very well, I also ask him can we do the works package for an oil change with tire rotation. He said sure we can fit that in with your recall. Jason customer service is always on point and over the top.
GMC Yukon XL prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Yukon XL AT4 | $73,176 | 7 Great deals |
2024 GMC Yukon XL AT4 | $63,892 | 32 Good deals |
2023 GMC Yukon XL AT4 | $45,760 | 5 Great deals |
2022 GMC Yukon XL AT4 | $42,495 | 7 Great deals |
About the 2021 GMC Yukon XL AT4
SLE shown (base trim).
- Seating
- 9
- Door count
- 4
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 17
- Transmission
- 10-Speed A/T
- Engine
- 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)

How much does the 2021 GMC Yukon XL AT4 cost?
The 2021 GMC Yukon XL AT4 price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Yukon XL AT4 is $49,786, with pricing starting at $40,981.
What is the MPG of the 2021 GMC Yukon XL AT4?
The 2021 GMC Yukon XL AT4 offers up to 14 MPG in city driving and 20 MPG on the highway for a combined rating of 16 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2021 GMC Yukon XL AT4?
The 2021 GMC Yukon XL AT4 compares to and/or competes against the following vehicles:
Is the 2021 GMC Yukon XL AT4 reliable?
The 2021 GMC Yukon XL has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Yukon XL owners.
Is the 2021 GMC Yukon XL AT4 a good SUV?
Below are the Cars.com consumer ratings for the 2021 GMC Yukon XL.
- Comfort 5.0
- Interior 5.0
- Performance 5.0
- Value 4.2
- Exterior 5.0
- Reliability 5.0
80% of drivers recommend this car
- Comfort 5.0
- Interior 5.0
- Performance 5.0
- Value 4.2
- Exterior 5.0
- Reliability 5.0
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
GMC Yukon XL trims
-
GMC Yukon XL 2021 Denali
1 Great Deal out of 239 listings starting at $33,505
-
GMC Yukon XL 2021 SLT
85 listings starting at $31,604
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