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Used
GMC Sierra 1500 AT4
for sale
near
Mountain View, CO
- 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.
Used
2020 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I can’t thank Brandy enough for helping me with my
I can’t thank Brandy enough for helping me with my 4Runner. My wife and I had a very good experience and she did not pressure us into anything.
Any reviews on this vehicle is not correct.
Any reviews on this vehicle is not correct. We are first owners and it’s been an excellent truck. We hate to see it go !
Used
2022 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Jay quickly found the car I looked at online.
Jay quickly found the car I looked at online. He was able to quickly get use in and out of the dealership all in the same night.
2022 GMC Sierra SLT 3.0 Duramax
My 2022 GMC Sierra 3.0 Duramax pickup truck is a good truck. I work on a farm and I also drive an hour to see my girlfriend. For the farm, it has excellent towing capability and for the hour long drive to go see my girlfriend, depending on the weather for traveling, I can get up to 35 miles to the gallon!
Used
2019 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Enjoyed Kelly and Rob Ash - Mr Ash did a nice job
Enjoyed Kelly and Rob Ash - Mr Ash did a nice job explaining the features of the carf Everyone was nice and low pressure. Requiring 25 words in this review is the worst part of the whole experience lol...
2019 Sierra SLT X31
I purchased a new 2019 SLT with the X1 package. It has the Red Quartz Tintcoat paint. I usually never leave reviews, but honestly this is the most comfortable, nicest loking truck I've owned , and I've ownwd alot of them. The only issues I've had was the brake software was flawed, took it to the dealer on recall and they installed a new software patch, Other then that I love the styling, performance and the interior is very nice. No regrets
Used
2019 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
7 cars now!
7 cars now! They rock!!!! Loving the new truck and jeep! 2025 Ram 1500 longhorn and 2023 jeep grand cherokee l summit! Years of purchasing here, they know financing!
Beautiful Truck
I bought a 2019 GMC Sierra Elevation. I traded in a FULLY loaded 2015 Sierra SLT, that I was really sad to see go, but the Elevation really sold me on styling and ride quality. I lost a couple high end bells and whistles, but the overall performance and look of the truck make up for it big time!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Our first visit.
Our first visit. Kevin the service manager was so helpful and Daniel our service writer was on top of all questions we had and our vehicle was done when promised.
This truck has a jerk when changing gears sometimes.
This truck has a jerk when changing gears sometimes. I enjoy the truck overall easy to handle and comfortable. Drive with ease sight is good when driving.
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Vlad was great, help me to find one of the best car on
Vlad was great, help me to find one of the best car on the planet! Very happy with new purchase. Definitely will come back
Brake Pad Monitor
2021 GMC sierra 1500, 5.3, crew cab 4x4, 21000 miles. brakepad monitor lites up. dealership says needs brakes and rotors in back. one mo. on warranty. our rural roads dirty up the monitor. Needs new monitor. brakes look great to me. No noises. dealer says parts on order GM strike. Can't replace myself cause of computer...
Used
2019 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
The best car dealership in Colorado My sales person Leon
The best car dealership in Colorado My sales person Leon is such a great person. My experience of the dealership was one of the best I ever had. I recommend anyone buying a car please go to Rocky Mountain Euro sports and if you do ask for Leon honest Very caring and just a great person yes, my experience was the best this person gives a 10 from me
Most expensive auto I've ever owned.
Great performance, hard to clean, everything, I expected. Getting lots of compliments and head turning. Stomping with thee BIG DAWGS!!!! Good gas mileage on highway.
Used
2022 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Sold my car to Autonation.
Sold my car to Autonation. It was an extra, so we weren't replacing it. Of course, a dealer paid wasn't great. But Chris Corringan was great to work with. He did exactly what he said he would do, WITHOUT any bait-and-switch tactics. When we're in the market for another car, we'll definitely give them a first try.
Pleased that I made this purchase
Waiting for the Refreshed 2022 AT4 was well worth it! With all the manufacturing issues today, building and shipping was slow, but understandable. Love the truck and the features! Fit is perfect and quality is #1. Pricing was too high but all vehicles are running this way. You get what you pay for and this truck is perfect! I have owned many trucks and this by far is the best. The latest features are beyond most other makes and GM has thought this truck through from front to rear.
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Service for my car
Helpful and kind, answered all my questions. Next time I'm shopping for a car, I will come to Luis. It's important for me to have someone I feel listens to what I need.
Nicest, best performing truck I've ever owned
My truck has a great appearance, inside and out. It is a pleasure to drive; and rides and performs great. It is the best truck I've ever owned.
Used
2019 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
First Experience Carmax
Our salesrep, Phil, was great. Very patient, no pressure, called us back to follow up and operated in our best interest. We are very happy with our choice.
Exceptional truck with one annoying detail.
I truly enjoy every aspect of this vehicle except for the fact that to have my text messages displayed on the screen I have to use a cord and cord my phone into the vehicle. I can Bluetooth phone calls But I cannot get any messages to display without using a cord. For the truck being a 2019 and the price point of it that is absolutely absurd. Other radios that GMCsells has this feature. This truck does not.
Vehicle information
Features
Reviews
Let me start by saying I have the AT4 model with the
Let me start by saying I have the AT4 model with the Duramax 3.0L diesel. I had a 2024 Elevation with the 5.3L V-8 that I bought to pull my 22’ camper. While the Elevation pulled my camper fine it drank the gas like it was on a binge. And with a 26 gallon gas tank it seemed I was filling up every couple of hours. After one trip to Nova Scotia I knew something had to change. I pulled my camper out west to Yellowstone and back through Arizona. It pulled like a champ and fillups were a lot more manageable. Even driving the speed limit out west I still got four to five mpg better than with the gasser. I liked the Elevation but I love the AT4. Way nicer ride and great handling. I get 30 per gallon of diesel on the highway if I drive the speed limit but I got it to tow with. I added a Titian replacement fuel tank so I have 43 gallons instead of the 26 it came with.
Used
2020 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Great truck!
I bought my 2020 with 36k miles a couple of years ago and I now have 60k miles of trouble free very enjoyable driving. It was expensive, but worth every penny. The ride is so quiet and comfortable my wife and I prefer traveling in it instead of our 2018 Acura MDX which we also love. The 5.3 V8 has plenty of power and towing ability. The multi-function tail gate is genius, I hope to never be without one again. We so enjoy all the bells and whistles, especially the wireless phone charger. So glad I bought this truck!
Used
2024 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I recently purchased a vehicle from this dealership and
I recently purchased a vehicle from this dealership and it was my 3rd vehicle. I couldn?t say enough good things about this dealership. The Staff was amazing and made my experience amazing. Super helpful along every step of the way. Would highly recommend them.
Great truck to own.
Great truck to own. The 2023 GMC Sierra Denali with the 6.2L engine delivers excellent power, smooth performance, and a refined driving experience. The ride quality, interior comfort, and overall build quality are outstanding. I have had no issues whatsoever, and it has been a reliable, enjoyable vehicle from day one. I would highly recommend it to anyone looking for a premium full-size truck.
GMC Certified
2024 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Celebration Chevy
Nelson was would helped me buy a new car. He took great care of me and made sure I got a good price. Would recommend seeing Nelson for you car needs
I love it the look the interior mine is a red one and it
I love it the look the interior mine is a red one and it looks so good and it’s my baby and it runs so good and the technology is off the chain
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Pleasant experience purchasing the car.
Pleasant experience purchasing the car. Didn?t feel pressured like some dealerships. They gave a very fair trade in price for our current car. Took the time to explain all the technology and answered any questions we had. They followed up after the sale to see if everything went smoothly. Overall very happy with the purchase experience as well as the car.
2021 GMC Sierra Denali
This is the nicest truck I have ever owned. Lots of features. Takes a while to learn what all it does but a really enjoyable vehicle.
Used
2020 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Always a pleasure to get my truck serviced at Mike
Always a pleasure to get my truck serviced at Mike maroone Chevrolet, gmc, Longmont. Joe was my service advisor and got my truck in and serviced a lot faster then i expected. Service was an awesome. Thank yous
Short turn radius
I purchased pre-owned 2020 1500 SLT in February of this year. The truck rides comfortable and has plenty of room front and rear. My and I both enjoy it. My only drawback is the turn radius (lock to lock). It lacks compared to my wife's 2018 Yukon SLT, or the 2016 Ram I traded in. Have to many times maneuver twice to park it going forward or reverse. Otherwise happy with our purchase.
Used
2020 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Initially I dealt with Dan, the owner, over the internet.
Initially I dealt with Dan, the owner, over the internet. Then I dealt with Steve at Castle Rock, then Martin at Parker. They were kind, caring, and helpful. Honestly, Dan may be the best communicator I've ever dealt with. He always responded immediately, I was mostly impressed with his immediate and accurate responses. I bought a 2017 F350 and I feel I got a great deal and was well taken care of. Thank you Berkenkotter Motors Tomm Olsen Michigan
Great Truck
I did my research and test drove several models. The GMC 1500 Duramax does everything I want it to do and more. Great gas milage, nice power and very comfortable.
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Thank you Josh for coming to my house and replacing my
Thank you Josh for coming to my house and replacing my windshield. On time and under and hour. Great work and much appreciated.
Great Buy!
This truck is amazing. Turning heads all over as we tour the area. Those riding with is also enjoy the comforts and safety features. Great Buy!
Used
2019 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Saw a preview of a Porsche Macan GTS they listed but they
Saw a preview of a Porsche Macan GTS they listed but they did not have photos posted so I inquired. David emailed me immediately, and told me it was incoming and would send pix as soon as it arrived. A day or 2 later I got several high quality photos of it inside and out and a follow up phone call making sure I received them, and if there was anything else I wanted photos of or had any questions. Vehicle was beautiful and professionally detailed, but unfortunately when we went over the option list it was missing a few "must-haves" for me. When I told him that I wasn't interested only because it didn't have those options, he asked if I would like him to keep my info and let me know if he finds the exact one I'm looking for, which I really appreciated! Other dealers with similar vehicles I inquired about took days to reply and immediately lost interest in making a sale as soon as we determined their vehicle was missing those must-have options. At that point, they were only interested in making the sale on THAT car TODAY, not a potential future sale. David understood that not all deals happen immediately, and I'm a serious buyer just waiting for the perfect optioned car, so I'm really hoping he is able to find me the exact spec GTS I'm searching for. I know it's out there and with the excellent sales experience so far, I feel comfortable buying a car from them.
Reliable.
It met all of my needs, it drives well and is easy to maneuver for its size. I would recommend this vehicle for anybody who needs a full-size vehicle.
Used
2024 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
The buying experience was pretty seamless.
The buying experience was pretty seamless. I approached them and asked questions. I liked the information they gave and moved forward with the purchase. I was able to drive the vehicle off the lot.
2024 GMC sierra 1500 duramax 3.
2024 GMC sierra 1500 duramax 3.0 is great truck. Great ride and great MPG. 100% recommend to any prospective buyer. Love the truck and how it perform.
*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 Sierra 1500 AT4 by city
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5 Great Deals out of 41 listings starting at $29,995
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GMC Sierra 1500 AT4 by year
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2026 GMC Sierra 1500 AT4
29 listings starting at $66,200
GMC Sierra 1500 by trim
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GMC Sierra 1500 SLT
13 Great Deals out of 65 listings starting at $15,733
-
GMC Sierra 1500 Denali
4 Great Deals out of 61 listings starting at $12,988
-
GMC Sierra 1500 Elevation
17 Great Deals out of 53 listings starting at $27,990
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.