New 2026 GMC Sierra 1500 Denali Four Wheel Drive Crew Cab
- VIN: 1GTUUGE88TZ398006
- Stock:
Basic Info
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Exterior:Glacier White Tricoat
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Drivetrain:Four Wheel Drive
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Interior:Atmosphere/Brownstone, Forge perforated leather seat trim
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Transmission:Automatic
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Engine:3.0L Duramax® Turbo Diesel engine
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Fuel Efficiency:22 CITY / 26 HWY
Key Features
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AWD
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Adaptive Cruise Control
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Android Auto
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Apple CarPlay
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Automatic Climate Control
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Backup Camera
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Bluetooth
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Fog Lights
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Keyless Entry
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Lane Departure Warning
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Lane keep assist
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Leather Seats
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Parking Sensors / Assist
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Power Seats
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Push Start
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Rain Sensing Wipers
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Remote Start
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Side-Impact Air Bags
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Sunroof / Moonroof
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Super Cruise
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Technology Package
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Tow Package
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Wireless Phone Charging
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Contact a Top Rated Specialist
Stephen Jones
Certified Sales & Leasing Professional
BRANDON LARGE
Certified Sales & Leasing Professional
RICH BOUKER
Certified Sales & Leasing Professional
Sullivan Buick GMC Specialists
Stephen Jones
Certified Sales & Leasing Professional
Apr 30, 2026
Worked with Steve Jones.
Worked with Steve Jones. Very professional. Listen to what WE had to say. Work hard to make a deal
Apr 29, 2026
Very friendly and patient.
Very friendly and patient. Worked with us on getting a good price and the right vehicle
Mar 24, 2026
We were very well served from the time we arrived until
We were very well served from the time we arrived until we left, everyone was very attentive and left satisfied
Mar 16, 2026
We were able to find the right car for us easy purchase
We were able to find the right car for us easy purchase the salesman were awesome and friendly answered all our questions and we test drove 3 SUV’s and salesman was nice throughout.
Mar 09, 2026
Stephen Jones, our salesman, was easy to work with.
Stephen Jones, our salesman, was easy to work with. He was patient to wait until I got ready to buy. I wish we could have gotten a little better deal but we got what we wanted.
BRANDON LARGE
Certified Sales & Leasing Professional
May 06, 2026
Very Friendly staff !
Very Friendly staff ! They had exactly what I was looking for. I did not feel any high pressured sales.
Apr 29, 2026
I purchased my last car from Sullivan.
I purchased my last car from Sullivan. My agent was Brandon Large and he was the best salesperson I think I ever dealt with. Wish more sales people were like him and because we were so impressed with him is why we returned to deal with Brandon and purchase our new GMC The management man (Charles Hawkins) was just as impressive.
Apr 10, 2026
Very happy with my new car purchase.
Very happy with my new car purchase. Fair pricing and honest staff. Would recommend to friends.
Mar 27, 2026
daniel was a pleasure to work with , he knew what i was
daniel was a pleasure to work with , he knew what i was looking for and he came through for me
Mar 26, 2026
Brandon was a great salesman!
Brandon was a great salesman! Went above and beyond to please! Highly recommend him and the dealership!
RICH BOUKER
Certified Sales & Leasing Professional
Jun 02, 2026
Purchased several vehicles from this dealership over the
Purchased several vehicles from this dealership over the years, always a pleasant experience, no pressure, everything is explained, and it's nice to see some of the same faces there years later, that in itself speaks volumes of this dealership.
May 31, 2026
Attentive, knowledgeable and friendly staff - from the
Attentive, knowledgeable and friendly staff - from the receptionist to the Sales Manager. I would strongly recommend this dealership to family and friends.
May 05, 2026
They were great fast moving and wonderful to work with.
They were great fast moving and wonderful to work with. I would recommend them for anyone looking for a new or used vehicle.
May 01, 2026
The GM, Zach, went above and beyond to help me find my
The GM, Zach, went above and beyond to help me find my dream truck. His professionalism and courtesy is outstanding. It was a great experience, and an absolute pleasure working with him. I highly recommend Zach and his crew. If you are searching for a vehicle Zach is your man at Sullivan GMC.
Apr 04, 2026
Very professional staff; Sales staff, general manager ,
Very professional staff; Sales staff, general manager , and finance person were all friendly, and easy to deal with. Nice looking dealership.
PRINCESS MERCEDES
Certified Sales & Leasing Professional
May 19, 2026
Was a great dealership, easy to work with sales person
Was a great dealership, easy to work with sales person real helpful when above and beyond
May 01, 2026
The GM, Zach, went above and beyond to help me find my
The GM, Zach, went above and beyond to help me find my dream truck. His professionalism and courtesy is outstanding. It was a great experience, and an absolute pleasure working with him. I highly recommend Zach and his crew. If you are searching for a vehicle Zach is your man at Sullivan GMC.
Apr 19, 2026
They did a great on at finding me exactly what I needed.
They did a great on at finding me exactly what I needed. I'm very happy.
Apr 19, 2026
They were very respectful, willing to work and negotiate
They were very respectful, willing to work and negotiate on the price, and very hospitable to me and my family
Mar 24, 2026
Princess Mercedes was awesome to work with.
Princess Mercedes was awesome to work with. She was very pleasant and uplifting. She answered all of our questions. Helped us make the deal and stayed with us to the whole process. She is awesome.
JOE DELPRETE
Certified Sales & Leasing Professional
May 18, 2026
Everyone at the dealership, starting with my salesman
Everyone at the dealership, starting with my salesman Joe, were so invested in getting me the best possible deal. Zach, the Sales Manager went above and beyond to ensure that I was completely satisfied before signing the contract. The signing of the contracts blew me away with the advanced technology that the dealership has implemented! KUDOS to the entire staff!!
Mar 04, 2026
Thank you all involved in assisting me with my new
Thank you all involved in assisting me with my new vehicle, and can’t be more happier!
Feb 04, 2026
Great experience, totally recommended.
Great experience, totally recommended. If you want to make business with a serious Dealer the Sullivan is your best choice!!
Jan 12, 2026
Great staff … clean dealership … no pressure … we bought!
Great staff … clean dealership … no pressure … we bought!!! Salespeople and Accounting were helpful and supportive …
Dec 15, 2025
Sullivan made the buying experience quick and painless.
Sullivan made the buying experience quick and painless. Once we came to an agreement and the car arrived, I was in and out quicker than I ever had been at a dealership. Joe Delprete was fantastic and came in on his day off the day my care was delivered to me. He was fantastic to work with.
SEAN GRUBER
Certified Sales & Leasing Professional
May 07, 2026
We came in on a Sunday and we were well received not
We came in on a Sunday and we were well received not pressured and everybody was very nice and we left that afternoon with the truck. Thank you for such a good experience Jim and Deb Scott.
May 06, 2026
Really great service, Sean is definitely the guy to go
Really great service, Sean is definitely the guy to go with if your looking to get into a new vehicle.
Apr 12, 2026
We had a vehicle that was specific to our needs.
We had a vehicle that was specific to our needs. Sean located the vehicle. He was knowledgeable about the vehicle and showed us all the perks. There was never any pressure tactics or any nonsense (as I call it) that can sometimes happen at a dealership. We made our decision, even after Sean helped us haggle a little on the money. Even going into Anthonys office ( Finance Manager), was not overwhelming or pressured in any way. The dealership stayed open late to complete the deal and we never felt like we were rushed in anyway. My true appreciation to Sullivan GMC for getting us into our dream truck.
Mar 04, 2026
Thank you all involved in assisting me with my new
Thank you all involved in assisting me with my new vehicle, and can’t be more happier!
Feb 04, 2026
Great experience, totally recommended.
Great experience, totally recommended. If you want to make business with a serious Dealer the Sullivan is your best choice!!
HALIE CARO-WILDER
Internet Manager
Dec 21, 2025
Halie assisted me with the details of the vehicle and
Halie assisted me with the details of the vehicle and purchase over the phone. Zach and Alexus assisted me once arriving at the dealership. The entire experience exceeded our expectations. Amazing dealership with kind and helpful individuals.
May 04, 2025
He was amazing!
He was amazing! He has done everything he said he would do and alot more.
May 02, 2025
Sean was very down to earth.
Sean was very down to earth. Showed us different vehicles we were interested in to compare. He was always courteous and polite and made the car shopping process easier. Sean wa the reason we bought from Sullivan Joe was also fair in dealing with us and was polite during our negotiations.
Apr 23, 2025
They have an efficient kind, courteous knowledgeable on
They have an efficient kind, courteous knowledgeable on time and welcome me each time I come in regardless whether it’s just ask a question where do you get service on my vehicle?
Apr 15, 2025
Devin was knowledgeable, professional, and genuinely
Devin was knowledgeable, professional, and genuinely helpful—made the car-buying process smooth and stress-free
Daniel Antonino
Certified Sales & Leasing Professional
May 19, 2026
Was a great dealership, easy to work with sales person
Was a great dealership, easy to work with sales person real helpful when above and beyond
Timi Thomas
Certified Sales & Leasing Professional
May 27, 2026
The service was great from the moment i called about my
The service was great from the moment i called about my vehicle from the previous month i spoke with the general manager zack he took time out his schedule to listen to the issue i was having and asked questions and took care of the issue and i can't forget the sales rep timi Thomas her amazing skills and expertise was great im highly satisfied
Alexus Grace
Certified Sales & Leasing Professional
Apr 06, 2026
They did a good job, the salespeople, both of Them.
They did a good job, the salespeople, both of Them. I came on a Day that the first contact person was not there and Alexus filled in for Matt and as the Yukon was delivered to the Dealership, Matt was able to finish the deal . I thought that is what a team is all about. Jeff the sales manager was great to deal with Thanks Joe
Mar 04, 2026
Thank you all involved in assisting me with my new
Thank you all involved in assisting me with my new vehicle, and can’t be more happier!
Feb 04, 2026
Great experience, totally recommended.
Great experience, totally recommended. If you want to make business with a serious Dealer the Sullivan is your best choice!!
Jan 03, 2026
Well run, honest, fair, and efficient.
Well run, honest, fair, and efficient. Staff are attentive and professional. Vehicle was perfectly detailed and the finance department worked hard to ensure we got the best rate.
Danny Escobar
Business Development Representative
Apr 05, 2026
Tim Phillips helped me get into a nice well kept clean
Tim Phillips helped me get into a nice well kept clean one owner 2014 Cadillac.
Customer Reviews
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Disclaimer:
***The price you see is the price you get, with zero hidden fees. This amount excludes only official government charges, consisting of state and local sales tax, vehicle title, license, and registration fees. Final transaction pricing, sales terms, and financing approval are subject to final review and the sole determination of dealership management.
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.