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Used
GMC Sierra 1500 trucks
for sale
near
Thornton, CO
under $1,000,000
- 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
Straight up
Easiest car deal I have ever done. I have and will recommend them to anyone. I will be back the next time I buy another truck. Thank you guys. It was worth the 2 hour drive.
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
2026 GMC Sierra 1500 Pro
Vehicle information
Features
Reviews
A little expensive, but comfortable, quiet, smooth ride.
A little expensive, but comfortable, quiet, smooth ride. Great performance out of the 6.2L and better than expected fuel economy in the low 20s. Outstanding interior and good looking exterior, especially in the Downpour Metallic color. I don’t have 700 miles on it yet and have owned it for 3 weeks. Therefore, I can’t pass judgement yet on the reliability, but so far I am very satisfied. This replaced an 8 year old Ford F150 that served me quite well with only a couple of issues in the 100,000 plus miles.
Used
2016 GMC Sierra 1500 SLE
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Reviews
Chris Whiteside did a fantastic job facilitating my
Chris Whiteside did a fantastic job facilitating my purchase. Chris made it easy and fair to buy this car in a competitive market. I live in Arizona wanted to purchase 2024 Nissan Z. Not only was everyone in my state overcharging. They were all rude and arrogant. As if they were doing my a favor by overcharging for a somewhat limited vehicle. So I bought this car in Colorado. All over the phone. Because Chris always answered my calls and was very respectful. I feel like I made a friend. And believe me, that's hard to say about a car salesman.
My 2016 GMC Sierra 1500 SLT All Terrain - Love it!
I've owned this GMC Sierra 1500 All Terrain since it was 8 months old. With the exception of two warranty issues (failing power brake vacuum pump and transmission electrical harness), I have been totally happy with this truck. Up until now, my 1996 Chevrolet K1500 Silverado with it's 5.7L Vortec engine was my favorite truck of all time, this GMC (5.3L LS engine, 8 speed automatice) has earned the top spot now of my all time favorite truck. It is comfortable to drive, and runs as good as the day I bought it over 5+ years ago. I've got 71.5K miles on it. My biggest issue is I wished it had the 6.2L engine for better towing capabilities. Other than that ... love this truck.
Used
2024 GMC Sierra 1500 Denali
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Reviews
Great experience!
Bought a sierra 2023 for my business. The salesmens knowledge was excellent, process through finance was seemless and price was very fair! We appreciate a good dealership experience!
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
2016 GMC Sierra 1500 SLE
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Reviews
Good guys
Good guys, told me want I nned to know but found anothe model a little cleaner then what I was looking at. I would recommened them.
I've had the truck a month, and so far so good!
It's exactly what I was looking for; used but not too used, low miles, good looking but not too many bells and whistles, and didn't need any work.
Used
2015 GMC Sierra 1500 SLT
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Reviews
Honest Guy
Fira was very professional and honest and worked with me to get me the best deal possible. I was happy with my experience at Sams and the price It was nice to deal with him.
This truck is the base model and that is exactly what we
This truck is the base model and that is exactly what we were looking for. A good solid truck without all the fancy technology. It drives like a dream, handles just as well and the interior is sleek and well designed. Perfect black on black exterior.... a man's truck.
Used
2018 GMC Sierra 1500 SLE
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Reviews
A GREAT Dealership
This is a Very Pleasant and Trusting Family owned Dealership. They try hard to satisfy the customer's needs with the right vehicle. They have ALL the vehicles inspected and they are available with a Warranty included in the monthly payment. I have known this Family since the mid-nineties and done business with them all these years making the car buying experience FUN !
2018 crew cab gmc Sierra 1500
Am in disbelief every week at the Gas Pumps. Thou a big truck, mileage per gallons are 18 +. Last week it was 22.8. This week 19.78.
Used
2025 GMC Sierra 1500 SLT
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Reviews
Good Service and a Bonus
After finding a 2013 Mini on Cars.com, I messaged the dealer. They responded quickly. I booked an appointment and met with Tracy. She treated me well, and over the next 2 weeks I decided to buy the car. Though this is a Mazda dealership, they knew the car well. Even better, they told me how I could make my payments to reduce the interest I would pay on the vehicle. This was a real bonus, saving me thousands of dollars during the life of the loan. The day after I drove it home, it broke down. It would not start. I took it back to the dealer and they fixed it straight away. They did not even ask me to do any paperwork. It was a relay that happened to malfunction, and their guy that "talked Mini" fixed it.
Overall I am very happy with my new Truck.
Overall I am very happy with my new Truck. GMC however needs to address their software glitch where the display screen intermittently stops working or the audio cuts in and out. I keep hearing a software update is being worked on but that was a while ago?
Used
2016 GMC Sierra 1500 Denali
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Features
Reviews
Great Customer Service with a great price
These guys (Paul and Jason) were great to deal with. They did not pressure me into anything. Will be bringing my car back in for them to service also.
Big and Beautiful
I am a big fan of cupholders, this will make or break a deal for me. It could use more, but has a sufficient amount for the normal person. Beautiful body style and comfy.
Used
2015 GMC Sierra 1500 SLT
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Reviews
Great experience with Berkenkotter Rastle Rock.
We had an excellent experience working with Dan & Wade on the purchase of our new vehicle. The sales team helped us through the process and were incredibly patient. Used vehicle prices are out of control and it's comforting to know there are car dealers that go the extra mile. I would rate our buying experience 10/10. We will be back when looking for another vehicle. Give them an opportunity to earn your business!
Failed transmission and full replacement
We have owned our GMC Sierra 1500 for approximately 9 years now. The only real disappointment with the vehicle is that we had to have a full transmission replacement Just after the 100k mile without any warning whatsoever. The truck now has 107k miles on it and now , again out of nowhere, we are experiencing slipping in the trans and the engine light is now flashing. Very disappointing since we are starting to feel uncertain about the reliability of the vehicle now. The truck itself is gorgeous and shows ZERO signs of its age, sporting new rims and tires and a lifted body and no rust on the body at all. We hope there are no major issues with the engine as the vehicle has always been maintained as needed and on time for regular servicing at the dealership.
GMC Certified
2024 GMC Sierra 1500 Elevation
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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
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.
Used
2024 GMC Sierra 1500 Denali
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Features
Reviews
Megan was awesome to work with.
Megan was awesome to work with. She was not pushy and I truly appreciated that. She gave me time to make my decision on my purchase and respected that. Thank you Megan!!!
Looked at more expensive truck with less options, bought
Looked at more expensive truck with less options, bought the GMC SIERRA AT4 Turbo Diesel 6. I now only put fuel im once a month. And long distance trips are easier due to better fuel economy. One of my best investments ever.
Used
2017 GMC Sierra 1500 SLE
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Reviews
I showed up.
I showed up. They had the car outside pulled right up front for me. Cisco greeted me and was friendly all the way through. I drove the car it drives great im a certified mechanic. It is in great condition. I get my tax returns next week. I will be back to buy the car if it's still available l. Based on the way I was treated even if the hyundai is not available which i hope it is but if not I will be back to buy a differnt car from South Creek
Good afternoon everyone, yes, I’m a lady and I’m an owner
Good afternoon everyone, yes, I’m a lady and I’m an owner of a 2017 GMC Sierra 1500 Denali, it has a V8 motor fully loaded sunroof & also it has heated seats & steering wheel for the cold winter months & in those hot summer months you have A/C seats nothing better than that am I correct? It’s been times like that wouldnt trade for the world!! So for all you ladies who think BIG TRUCKS are just for men, go out there & buy one have them put on some electronic slide in/out rails & go out & show the shows the boss!! lol 😄 I’m out looking for a new one now either a 2500/3500 pearl white
Used
2019 GMC Sierra 1500 Denali
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Reviews
Buy great deal
Great I have to do this again good staff George sourial was great handling my purchase. Would recommend every one to going and get a quality vehicle.
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!
Certified
2022 GMC Sierra 1500 AT4X
Vehicle information
Reviews
Overall good experience with the purchase of my truck.
Overall good experience with the purchase of my truck. Sales department was knowledgeable and accommodating.
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
2023 GMC Sierra 1500 AT4X
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Reviews
Tons of options in great shape.
Tons of options in great shape. Whether you're shopping for something newer or more budget-conscious, the lot was well-stocked and well-organized.
Awsome
Stong engine and smooth! Highly recommend for familys or someone who likes a smooth truck. Purchased new and have had zero issues since then. Love it!
Used
2024 GMC Sierra 1500 Elevation
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Reviews
I had a great experience as a first time buyer from a
I had a great experience as a first time buyer from a dealership and my sales representative was extremely polite and very helpful in helping me purchase a vehicle that I liked.
Surprised myself and bought a GMC
I needed a new pickup and while I wanted a Ford F150 I could not find one set up how I wanted. When I did the Ford dealers didn't want to give what I felt my trade in was worth. I got what I wanted and got a great deal on a 2024 GMC Sierra 1500 Elevation. It is even set up better than the F150's I was looking for and at a better price. I'm very happy with my purchase.
Used
2021 GMC Sierra 1500 Elevation
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Reviews
Carlos at Super Auto was professional, patient, and easy
Carlos at Super Auto was professional, patient, and easy to work with. He addressed my concerns and showed me several cars without being pushy. I appreciated his approach.
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
2016 GMC Sierra 1500 SLE
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Reviews
After any serving of a vehicle taking it through your car
After any serving of a vehicle taking it through your car wash before returning to customer. This might encourage more customer loyality. Oil change prices are too expensive. The expertise needed to do that job doesn't equalate to charging that amount.
awesome truck
love this truck, color, styling, fuel economy,comfort and how quiet it is. I have owned many general motors vehicles and I only had 1 major issue. That being my 2005 GMC SIERRA. Transmission went, covered by the warranty. The 2016 is by far my favorite. Love the truck!!!
Used
2021 GMC Sierra 1500 Elevation
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Reviews
I was interested in a new GMC Acadia, specific features
I was interested in a new GMC Acadia, specific features and model. Zac Taylor worked very hard to bring a vehicle from the Colorado Springs store. He had everything outfitted as needed, worked out details remotely, then delivered it to me in the mountains. I drove away a great new vehicle at an outstanding price point. Thank you Zac for all of your hard work during this car purchase!
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...
*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.
Compare the GMC Sierra 1500
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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.
