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Used
2021 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.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
AJ Cleveland dealership
AJ at the dealership in Cleveland Tx went above and beyond to make my car buying a great experience. AJ found the car I was looking for.Thank you.S Lawson
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 Denali
Vehicle information
Features
Reviews
It was an easy, straight forward, no hassle deal.
It was an easy, straight forward, no hassle deal. Kevin was my salesman, I would recommend him. The discount price of the truck was as advertised, no tricks.
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 SLE
Vehicle information
Features
Reviews
John Ram�rez , the best service advisor ever, kindly,
John Ram�rez , the best service advisor ever, kindly, friendly, helpful and very knowledgeable ,The best facilities and technicians in town, The express service is very convenient
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 AT4
Vehicle information
Features
Reviews
We had a great experience purchasing our F150.
We had a great experience purchasing our F150. Everything was very easy and the truck looks great. I would recommend Auto Nation to anyone needing a new vehicle.
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
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Excellent service provider ,just had issues with their
Excellent service provider ,just had issues with their policies when it comes to battery replacement the dealership or manufacturer is not pro customer they are against warranty that is how long battery last and purchase new one warranty should start over once purchased or go to Auto Zone or O?Reily to get your money worth
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 AT4
Vehicle information
Features
Reviews
Great place to buy a car!
Great place to buy a car! AJ was on his game and ensured excellent customer service and support throughout the entire experience and was able to answer all our questions and concerns. He was true to his word on all information and agreements given. Overall he allowed a seamless bussiness transaction for our family and even picked us up at Enterprise, since we conducted this transaction all the way from KS and traveled to their location for vehicle pickup. Thandk again for everything!






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Harry made our car buying experience hassle free and was
Harry made our car buying experience hassle free and was very courteous from talking to him upon arrival to helping us through the approval process






GMC Certified
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Made a used purchase in November of 2024.
Made a used purchase in November of 2024. had my first service done recently and I've been satisfied with the service and my experience so far.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Friendly, helpful and professional Personnel Adviced me
Friendly, helpful and professional Personnel Adviced me of everything needed and the time required for the repair. I also received messages of the status very promptly






GMC Certified
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Service team was prompt and courteous Christina was great
Service team was prompt and courteous Christina was great kept me informed through the whole process Place was clean and offered breakfast Will be going back for all my service needs






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
I knew what I wanted when in.
I knew what I wanted when in. Tyrell Ford is the best salesman I’ve dealt with in a very long time. He went above and beyond to get us in and out in a timely manner. He was well mannered. I highly recommend classic elite Chevrolet. Best experience ever and I got the car I wanted. They even put a bow on it and took pictures since it was my birthday. Thank you so much Tyrell & Classic Elite. I’m one happy Birthday Girl.






Vehicle information
Features
Reviews
I wanna say thanks to Mr.
I wanna say thanks to Mr. Roosevelt woods from helping me get my 2024 escape ford the service was very nice and also he was very professional. Thank you once again we’ll be returning soon






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
AMAZING EXPERIENCE!
AMAZING EXPERIENCE!! Eduardo the salesman was so helpful made my car shopping experience truly seamless!!






Vehicle information
Features






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
A diamond in the rough
Great service, wonderful environment and very reasonable prices. I recommend the dealership without reservation. Staff is amazingly friendly and the facility is comfortable and offers some recreational activities such as table tennis and a small basketball game.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
A great place to buy and get service make you
As always everyone treats me as if I am Family! Great people and great service They make the experience a good one Every time all the time.
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Sierra 1500 | $32,240 | 1 Good deal |
2024 GMC Sierra 1500 | $31,600 | 37 Good deals |
2023 GMC Sierra 1500 | $36,297 | 21 Good deals |
2022 GMC Sierra 1500 | $29,491 | 15 Good deals |
2020 GMC Sierra 1500 | $26,392 | 10 Good deals |
2019 GMC Sierra 1500 | $24,945 | 5 Good deals |
2018 GMC Sierra 1500 | $26,999 | 7 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 $39,491, with pricing starting at $13,980.
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.
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Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
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Used 2021 GMC Sierra 1500 by body style
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