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  *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.
  
  
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  Used
  2020 GMC Sierra 1500 trucks
  for sale
  
  
    near
Houston, TX 
    
  
      - 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 SLT
Vehicle information
Features
Reviews
Kaan was extremely helpful and professional while I was
Kaan was extremely helpful and professional while I was checking out the Ram 1500. He took the time to answer all my questions, walked me through every detail, and made me feel confident about my interest in the truck. If you’re looking for someone who’s honest, patient, and really knows their vehicles, Kaan is the one to see!
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
2020 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Very Positive experience.
Very Positive experience. Buying process could have been a little quicker but they also had to evaluate me trade. Ask for Dee Burns. I really enjoyed my experience working with him.
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.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
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From test driving to finalizing the paperwork.
From test driving to finalizing the paperwork. I really appreciated how they listened to what I was looking for and helped me find the right car without any pressure.
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
2020 GMC Sierra 1500 Base
Vehicle information
Features
Reviews
Justin was great!
Justin was great! Him and his team helped us find the perfect vehicle for our family
Best truck we have owned!
Truck meets my and my wife's needs. She loves her and I do to! Love sport mode and the tow hail mode. Rides like a Cadillac!
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
The advisor Anthony Coca is very nice and professional.
The advisor Anthony Coca is very nice and professional. Techs work hard and fast. They checked every thing following the process. Very happy with their service.
Best truck I’ve bought
The features and styling are very aesthetic. The truck has very smooth handling and response. I am impressed with the response from the Diesel engine.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 Elevation
Vehicle information
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            Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Had oil change and vehicle inspection.
Had oil change and vehicle inspection. Found some torn joints that needed immediate attention. We?re able to repair the same day. Was able to get everything completed in half a day.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great Costumer service, was very smooth transaction.
Great Costumer service, was very smooth transaction. Will recommend to others about this locations and plan on coming back for future purchases. Thank you for taking care of me
 
          
        
       
          
        
       
          
        
       
          
        
      Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Great experience!
I received excellent service from everyone who helped with my car purchase. Everyone worked hard to make sure that I was satisfied with my purchase, and I really appreciate the patience and helpfulness that I was shown.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
I just got new Equinox EV with good discounts and payment
I just got new Equinox EV with good discounts and payment rate applied for... But car cleanup n readiness should be a bit better for delivery.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great simple oroceds
Rees was my greeter and was an excellent source of information and sales expediter. Rees explained the CarMax process and then Listened to the car features I required. He did searches of car max inventory, searches of manufacturers’ sites for additional info, and requested transfer of a vehicle from another location. There was no pressure to buy (CarMax has a five day return policy). Paperwork was efficient, and I even got help getting both the car I bought and the car I arrived in home. It was my first solo car buying experience so I especially appreciated that I got a car that suited me at a fair price and no hassle
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
My overall experience with Classic Elite was very good!
My overall experience with Classic Elite was very good! The people were great. My service advisor was Holly Widman and she was great to work with. The only drawback was the time it took.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Excellent customer service and the staff was all very
Excellent customer service and the staff was all very helpful. I definitely would recommend anyone looking for a pleasant car buying experience to go to there.
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 Denali
Vehicle information
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Reviews
La mejor experiencia que aya tenido en mi cuarta compra
La mejor experiencia que aya tenido en mi cuarta compra de GMC gracias estoy muy contento con mi compra y atenci�n gracias puedo recomendar con gusto
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 Elevation
Vehicle information
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Reviews
Buying from Tommie Vaughn was a great experience overall.
Buying from Tommie Vaughn was a great experience overall. Omar was a huge pleasure to work with. Definitely coming back!!
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Our visit to the dealership was outstanding.
Our visit to the dealership was outstanding. The salesman was very professional and treated us like family. He explained everything that we asked of him. All went well
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 SLT
Vehicle information
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Loved it nice clean cars very happy with my purchase and
Loved it nice clean cars very happy with my purchase and car it’s beautiful
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Great customer service.
Great customer service. Anthony has helped with the purchase of multiple vehicles and always a pleasure to work with. Always an easy process. Will be returning for next new vehicle
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Spoke with Alex and he was very pleasant on the phone got
Spoke with Alex and he was very pleasant on the phone got me in and the rest of the team was also nice I got my car back the next day I definitely will be taking Clifford back to him Great service 🙌🏾
 
          
        
       
          
        
       
          
        
       
          
        
       
          
        
       
            Vehicle information
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I am a Grandmother with 12 Grandchildren and I nee
I am very satisfied with my vehicle...my salesman was very knowledgeable about the vehicle I wanted to buy...He recommended certain things and I took his advice...I am very happy
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals | 
|---|---|---|
| 2026 GMC Sierra 1500 | $62,435 | 3 Good deals | 
| 2025 GMC Sierra 1500 | $58,088 | 19 Great deals | 
| 2024 GMC Sierra 1500 | $52,240 | 14 Great deals | 
| 2023 GMC Sierra 1500 | $47,844 | 9 Great deals | 
| 2022 GMC Sierra 1500 | $45,766 | 16 Good deals | 
| 2021 GMC Sierra 1500 | $34,724 | 8 Great deals | 
| 2019 GMC Sierra 1500 | $32,374 | 5 Great deals | 
About the 2020 GMC Sierra 1500
Base shown (base trim).
- Seating
- 3
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 17
- Transmission
- 6-Speed A/T
- Engine
- 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
 
          How much does the 2020 GMC Sierra 1500 cost?
The 2020 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2020 Sierra 1500 is $35,695, with pricing starting at $16,500.
What is the MPG of the 2020 GMC Sierra 1500?
The 2020 GMC Sierra 1500 offers up to 15 MPG in city driving and 21 MPG on the highway for a combined rating of 17 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 trim, driving conditions, driving habits, vehicle maintenance, and other factors.
Is the 2020 GMC Sierra 1500 reliable?
The 2020 GMC Sierra 1500 has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 Sierra 1500 owners.
Is the 2020 GMC Sierra 1500 a good truck?
Below are the Cars.com consumer ratings for the 2020 GMC Sierra 1500.
- Comfort 4.9
- Interior 4.8
- Performance 4.8
- Value 4.6
- Exterior 4.9
- Reliability 4.7
91% of drivers recommend this car
- Comfort 4.9
- Interior 4.8
- Performance 4.8
- Value 4.6
- Exterior 4.9
- Reliability 4.7
AT4 (3 styles)
| Style | ||
|---|---|---|
| 4WD Double Cab 147" AT4 | 4WD Crew Cab 157" AT4 | 4WD Crew Cab 147" AT4 | 
| Inventory price | ||
| Starting at $51,300 | Starting at $54,000 | Starting at $53,700 | 
| Combined MPG | ||
| 18 | 18 | 18 | 
| Engine | ||
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 
Base (8 styles)
| Style | |||||||
|---|---|---|---|---|---|---|---|
| 4WD Crew Cab 157" | 2WD Double Cab 147" | 2WD Crew Cab 147" | 4WD Double Cab 147" | 2WD Crew Cab 157" | 4WD Crew Cab 147" | 4WD Reg Cab 140" | 2WD Reg Cab 140" | 
| Inventory price | |||||||
| Starting at $39,500 | Starting at $33,500 | Starting at $35,900 | Starting at $36,800 | Starting at $36,200 | Starting at $39,200 | Starting at $34,200 | Starting at $29,600 | 
| Combined MPG | |||||||
| 20 | 20 | 20 | 20 | 20 | 20 | 17 | 17 | 
| Engine | |||||||
| 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 
Denali (4 styles)
| Style | |||
|---|---|---|---|
| 2WD Crew Cab 157" Denali | 4WD Crew Cab 147" Denali | 4WD Crew Cab 157" Denali | 2WD Crew Cab 147" Denali | 
| Inventory price | |||
| Starting at $55,400 | Starting at $58,600 | Starting at $58,900 | Starting at $55,100 | 
| Combined MPG | |||
| 19 | 18 | 18 | 19 | 
| Engine | |||
| 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 
Elevation (6 styles)
| Style | |||||
|---|---|---|---|---|---|
| 4WD Crew Cab 157" Elevation | 2WD Double Cab 147" Elevation | 2WD Crew Cab 157" Elevation | 2WD Crew Cab 147" Elevation | 4WD Double Cab 147" Elevation | 4WD Crew Cab 147" Elevation | 
| Inventory price | |||||
| Starting at $46,500 | Starting at $40,500 | Starting at $43,200 | Starting at $42,900 | Starting at $43,800 | Starting at $46,200 | 
| Combined MPG | |||||
| 20 | 21 | 21 | 21 | 20 | 20 | 
| Engine | |||||
| 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 
SLE (6 styles)
| Style | |||||
|---|---|---|---|---|---|
| 2WD Crew Cab 157" SLE | 2WD Double Cab 147" SLE | 4WD Double Cab 147" SLE | 2WD Crew Cab 147" SLE | 4WD Crew Cab 157" SLE | 4WD Crew Cab 147" SLE | 
| Inventory price | |||||
| Starting at $40,700 | Starting at $38,000 | Starting at $41,300 | Starting at $40,400 | Starting at $44,000 | Starting at $43,700 | 
| Combined MPG | |||||
| 21 | 21 | 20 | 20 | 20 | 20 | 
| Engine | |||||
| 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) | 
SLT (6 styles)
| Style | |||||
|---|---|---|---|---|---|
| 4WD Crew Cab 147" SLT | 2WD Crew Cab 147" SLT | 4WD Crew Cab 157" SLT | 4WD Double Cab 147" SLT | 2WD Double Cab 147" SLT | 2WD Crew Cab 157" SLT | 
| Inventory price | |||||
| Starting at $50,400 | Starting at $46,900 | Starting at $50,700 | Starting at $48,000 | Starting at $44,500 | Starting at $47,200 | 
| Combined MPG | |||||
| 18 | 19 | 18 | 18 | 19 | 19 | 
| Engine | |||||
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 
    
  *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.
  
Research the 2020 GMC Sierra 1500
Compare the 2020 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.
