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Used
2021 GMC Sierra 1500 trucks
for sale
near
Woodbranch, 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.






Vehicle information
Features
Reviews
Service was giuck and attentive to my needs.
Service was giuck and attentive to my needs. Prices were reasonable and work was done right.
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 SLT
Vehicle information
Features
Reviews
Bayway Cadillac of the woodlands
After searching for a good month for a used vehicle I finally found a dealership that would work with me with my trade in value, Laurel Williams and the sales managers moved mountains for me trying to get into a vehicle I wanted. I highly recommend Bayway Cadillac of the woodlands, top notch customer service and a pain free buying experience! Thank you! I will definitely be coming back for the next vehicle 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...






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
David was amazing!
David was amazing!! He was patient and took me around to any car I wanted to see in any color! He answered all of my questions and let me know I was in good hands. I?ll be sending anyone who?s looking for a car to see him!
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
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Great dealership.
Great dealership. Full transparency no dealer ad ons. No xx. Within 2 hours of inquiry of a vehicle online. Was at dealership at agreed on a deal.
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.






Certified
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I had a very positive experience at Doggett Ford in
I had a very positive experience at Doggett Ford in Houston, Texas! The staff was friendly and knowledgeable, and they made my truck buying process smooth and stress-free. My sales rep Chris was helpful and answered all my questions. I felt like they were truly looking out for my best interests, not just trying to make a sale. I highly recommend Doggett Ford to anyone looking for a car or truck! They are top notch.
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
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
80K Maintenance service
Completely satisfied with the service experience. From the greeting, communications and completion. Loaner vehicle made it easy to get back to work and return when service was completed. Thanks Kelsey.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
It was a pleasure having Karla as my advisor.
It was a pleasure having Karla as my advisor. She was very professional and very attentive. Upon my arrival to pick up my vehicle, she had the paperwork ready for me to sign and even offered me a complimentary car wash. Highly recommend you asking for her.






Vehicle information
Features
Reviews
I was here looking for a 2025 Maverick with specific
I was here looking for a 2025 Maverick with specific configuration/accessories/pricing. Rey and Rico were able to find one for me from a neighboring dealer and lock in the right deal. Everything from information gathering to sales to financing was pleasant and smooth.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Service was roughly an hour and a half.
Service was roughly an hour and a half. The customer lounge area allowed us to sit and wait comfortably. We also received a coupon from the dealership which made our visit inexpensive.






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Review of sales experience
My purchasing experience at Mercedes The Woodlands was first class all the way. My sales rep Richard Harper was great to work with. He really made my purchase a pleasure and very easy. This my second Mercedes and that is largely due to Richard’s professional excellence. Well done Richard. I look forward to working with you again.






Vehicle information
Features
Reviews
Buyer
Our salesman did a excellent job showing us all the vehicles features and assisting us in our purchase! We highly recommend him to anyone looking for a vehicle!






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
The entire process was the most upfront, honest, and seem
The entire process was the most upfront, honest, and seem less new car buying experience. Sales Associate Jason Albritton provided me with an online detailed invoice of drive out price including all taxes, fees, and extras. When I arrived at the dealer he stuck to his quote without any unexpected and surprise added costs. Business Manager Jordan Gonzales reviewed all peripherals like extended warranty and various protection plans without any pressure to buy. Highly appreciate and recommend Gullo Ford in Conroe Texas and Sales Associate Jason Albritton to all potential buyers.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features






Vehicle information
Features
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Adrian did an excellent job with my vehicle services.
Adrian did an excellent job with my vehicle services. He explained all the worked needed to be done, and did not pressure me. He was very knowledgeable and professional. I will definitely be using the Quick Lane service for all my vehicle maintenance, repairs and services.
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Lovish & Robert Wolfe made the car buying experience a
Lovish & Robert Wolfe made the car buying experience a pleasure. Professional and experienced. Working with knowledgeable professionals was a pleasure. This was the second GMC I bought at Beck & Marsten and they will be my go-to pros when I purchase my next Denali?
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Couldn?
Couldn?t have asked for better customer service from Mike and the team, whole process was excellent, fast and efficient. I was able to drive away same day which was fantastic
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
It was a very pleasant experience.
It was a very pleasant experience. Lee Hobson and Dia Millan were very helpful through out our purchase. Answered all questions we had. Would recommend to my friends .
There are 20 matching cars close to your year range.






Used
2020 GMC Sierra 1500 Denali
Vehicle information
Features






Used
2022 GMC Sierra 1500 SLT
Vehicle information
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Used
2023 GMC Sierra 1500 SLT
Vehicle information
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GMC Certified
2022 GMC Sierra 1500 SLT
Vehicle information
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Used
2023 GMC Sierra 1500 Denali Ultimate
Vehicle information
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Used
2020 GMC Sierra 1500 AT4
Vehicle information
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Used
2020 GMC Sierra 1500 AT4
Vehicle information
Features






Used
2023 GMC Sierra 1500 SLT
Vehicle information
Features






Certified
2023 GMC Sierra 1500 DENALI
Vehicle information






Used
2019 GMC Sierra 1500 Denali
Vehicle information
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Used
2019 GMC Sierra 1500 SLT
Vehicle information
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Used
2020 GMC Sierra 1500 SLT
Vehicle information
Features






Vehicle information
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Used
2020 GMC Sierra 1500 Elevation
Vehicle information
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Used
2022 GMC Sierra 1500 Elevation
Vehicle information
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Used
2022 GMC Sierra 1500 Elevation
Vehicle information
Features






Vehicle information
Features






Used
2023 GMC Sierra 1500 Elevation
Vehicle information
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Used
2019 GMC Sierra 1500 SLT
Vehicle information
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GMC Certified
2023 GMC Sierra 1500 Elevation
Vehicle information
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2026 GMC Sierra 1500 | $43,575 | |
2025 GMC Sierra 1500 | $31,088 | |
2024 GMC Sierra 1500 | $40,223 | 7 Great deals |
2023 GMC Sierra 1500 | $30,464 | 13 Good deals |
2022 GMC Sierra 1500 | $33,991 | 5 Good deals |
2020 GMC Sierra 1500 | $24,491 | 6 Good deals |
About the 2021 GMC Sierra 1500
Base shown (base trim).
- Seating
- 3
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 16
- Transmission
- 6-Speed A/T
- Engine
- 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)

How much does the 2021 GMC Sierra 1500 cost?
The 2021 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 2021 Sierra 1500 is $39,399, with pricing starting at $15,991.
What is the MPG of the 2021 GMC Sierra 1500?
The 2021 GMC Sierra 1500 offers up to 14 MPG in city driving and 19 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 trim, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2021 GMC Sierra 1500?
The 2021 GMC Sierra 1500 compares to and/or competes against the following vehicles:
Is the 2021 GMC Sierra 1500 reliable?
The 2021 GMC Sierra 1500 has an average reliability rating of 3.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 1500 owners.
Is the 2021 GMC Sierra 1500 a good truck?
Below are the Cars.com consumer ratings for the 2021 GMC Sierra 1500.
- Comfort 4.2
- Interior 4.2
- Performance 3.8
- Value 3.6
- Exterior 4.3
- Reliability 3.5
60% of drivers recommend this car
- Comfort 4.2
- Interior 4.2
- Performance 3.8
- Value 3.6
- Exterior 4.3
- Reliability 3.5
AT4 (2 styles)
Style | |
---|---|
4WD Crew Cab 157" AT4 | 4WD Crew Cab 147" AT4 |
Inventory price | |
Starting at $55,900 | Starting at $54,700 |
Combined MPG | |
16 | 17 |
Engine | |
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
Base (7 styles)
Style | ||||||
---|---|---|---|---|---|---|
4WD Double Cab 147" | 2WD Double Cab 147" | 2WD Crew Cab 147" | 4WD Crew Cab 147" | 4WD Crew Cab 157" | 4WD Reg Cab 140" | 2WD Reg Cab 140" |
Inventory price | ||||||
Starting at $37,300 | Starting at $34,000 | Starting at $36,400 | Starting at $39,700 | Starting at $40,000 | Starting at $34,700 | Starting at $30,100 |
Combined MPG | ||||||
19 | 21 | 21 | 19 | 19 | 16 | 16 |
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) | 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 (3 styles)
Style | ||
---|---|---|
2WD Crew Cab 147" Denali | 4WD Crew Cab 147" Denali | 4WD Crew Cab 157" Denali |
Inventory price | ||
Starting at $55,800 | Starting at $59,300 | Starting at $59,600 |
Combined MPG | ||
17 | 18 | 18 |
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) |
Elevation (7 styles)
Style | ||||||
---|---|---|---|---|---|---|
4WD Double Cab 147" Elevation w/3VL | 4WD Crew Cab 147" Elevation w/3VL | 4WD Crew Cab 157" Elevation | 2WD Double Cab 147" Elevation | 4WD Double Cab 147" Elevation w/3SB | 4WD Crew Cab 147" Elevation w/3SB | 2WD Crew Cab 147" Elevation |
Inventory price | ||||||
Starting at $44,600 | Starting at $47,200 | Starting at $49,300 | Starting at $43,100 | Starting at $46,400 | Starting at $49,000 | Starting at $45,700 |
Combined MPG | ||||||
19 | 19 | 19 | 21 | 19 | 19 | 21 |
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) | 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLE (5 styles)
Style | ||||
---|---|---|---|---|
4WD Crew Cab 147" SLE | 4WD Crew Cab 157" SLE | 2WD Double Cab 147" SLE | 2WD Crew Cab 147" SLE | 4WD Double Cab 147" SLE |
Inventory price | ||||
Starting at $47,100 | Starting at $47,400 | Starting at $41,400 | Starting at $43,800 | Starting at $44,700 |
Combined MPG | ||||
19 | 19 | 21 | 21 | 19 |
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) |
SLT (3 styles)
Style | ||
---|---|---|
4WD Crew Cab 147" SLT | 2WD Crew Cab 147" SLT | 4WD Crew Cab 157" SLT |
Inventory price | ||
Starting at $50,800 | Starting at $47,500 | Starting at $51,100 |
Combined MPG | ||
18 | 17 | 18 |
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) |
*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.
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