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Used
2021 GMC Sierra 1500 trucks
for sale
near
Lakeside, 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
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Excellent customer service with quick turnaround on the
Excellent customer service with quick turnaround on the repairs done. Keep me informed about my vehicle. Will be returning in the future and will recommend to family and friends.
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
Wonderful experience!
Wonderful experience! Our salesman Ricardo Magana was knowledgeable and easy to work with. He made sure everything was working on our car before we left the dealership. It’s our daughter’s first car and we feel she has a good reliable vehicle.
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 Elevation
Vehicle information
Features
Reviews
Loved my whole experience at CARMAX, Fort Worth!
My brother-in-law recommended that I check out car max when needing to purchase a good used car. First I went on line to see what cars were available. I found exactly what I wanted, in my budget, at the Plano location. Luis Delatorre, my fabulous agent, at the Fort Worth, River Ranch Blvd., had the car transported to Fort Worth and I purchased it on sight! I Drove it around the block, and had all the paperwork efficiently delivered to me within 30 minutes! I've found my future dealership and will recommend Car Max to anyone who will listen to me!
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.






Vehicle information
Features
Reviews
Buying a used car
Friendly, and helpful people. Trent went out of his way, to help me, and keep me informed. Hopper gave me a very good deal on my trade in. VIP treatment. I would buy from them, again.
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 Denali
Vehicle information
Features
Reviews
From the minute I hit submit, the replies I received from
From the minute I hit submit, the replies I received from Trong Huyhn were prompt, to the point, polite and informative. I am one who hates buying cars, but Trong made me believe in the "Sewell Experience"
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
DeMeon Washington & Steve Williams were both friendly &
DeMeon Washington & Steve Williams were both friendly & professional. Process was easy & efficient, was prequalified online, in person interaction was great. Overall process was excellent we’re very pleased with this process, customer service and vehicle options. Highly recommend!






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great dealership to work with.
Great dealership to work with. One of the easiest car buying experiences we have ever had.






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
I purchased an F150 right off the showroom floor, and the
I purchased an F150 right off the showroom floor, and the entire experience was fantastic. We negotiated for about two weeks, but the final outcome was definitely worth it. Thank you, Grand Prairie Ford! Eric Hernandez






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Sales and Finance staff friendly and Helpful
Although I bought another Make and Model used car and not a Subaru at Five Star Subaru, the sales and finance staff was very helpful during the test drive process and stayed late on a weekday evening to accommodate my work schedule. Five star service at Five Star Subaru.






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Chris Filline walked us through each step of the buying
Chris Filline walked us through each step of the buying process. His is very professional and honest.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Excellent service from direct dealership, professional,
Excellent service from direct dealership, professional, understanding of customer needs, accommodating to co-applicant who was not in same city to help locate financing (which was straight forward/no hassle), along with extra support (as needed) to oversee signing of all paperwork.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Home town feel in buying a vehicle.
Hello, my wife and I came in to the dealership last week just looking for a F-150 for a future purchase. We met Mack Jameson, on of your sales guys, and he was so nice and patient with all of our questions. He really took great care of us and we felt right at home working with him.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
It was great.
It was great. When something unexpected happened, they went the extra mile and fixed it and even offered a rent car so that I didn?t need to stay there and wait.






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
The salesman, Joe Rodriguez, was very helpful and
The salesman, Joe Rodriguez, was very helpful and informative. I had no problem with communication. Everything was handled very Well. Everybody there was very professional. financing was excellent And I would definitely recommend this dealership. to anybody that was looking for a vehicle. Keep up the good work






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great service and overall just great experience.
Great service and overall just great experience. I highly recommend to anyone looking for a vehicle






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I am Very happy with the service I received from
I am Very happy with the service I received from Vandergriff Acura Arlington on May 1, 2024. George Hardwick went over and above helping me do an oil change on my 2020 Alfa Romero. He was very pleasant and efficient. He is one of the reasons my wife and I purchased this Alfa Romero and 3 other car from this dealership over the years.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
I came in for the second time to get an oil change and it
I came in for the second time to get an oil change and it was a pleasant experience. I was helped by Taylor Jones who was wonderful and patient and answered all my questions. Thank you all for your help and I will definitely continue to have my service done at this location.






GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
My service advisor had such a great attitude with
My service advisor had such a great attitude with welcoming me in and smiling as he assured he would make sure my experience was going to be great. And it was thx to him. It was refreshing to have a service employee appear to love his job, or he pretending really well. Either way it was appreciated. A great attitude goes a long way!






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Great place to buy
I have bought several trucks from Kevin, they are my go to place for a good deal. Can't recommend them enough. They even got me a great rate on financing.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Great truck, and the process is exactly as advertised!
Great truck, and the process is exactly as advertised! Brenda is amazing, and I'll work with her again any time a need arises!
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GMC Sierra 1500 prices by year
Model year | Average price | Deals |
---|---|---|
2026 GMC Sierra 1500 | $56,643 | |
2025 GMC Sierra 1500 | $56,626 | 5 Great deals |
2024 GMC Sierra 1500 | $51,016 | 18 Great deals |
2023 GMC Sierra 1500 | $47,996 | 8 Great deals |
2022 GMC Sierra 1500 | $41,663 | 16 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 $37,817, with pricing starting at $13,999.
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.
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.
Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
2021 GMC Sierra 1500 Trucks by city
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7 Great Deals out of 25 listings starting at $27,975
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3 Great Deals out of 21 listings starting at $27,975
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2021 GMC Sierra 1500 Trucks in Saginaw, TX
8 Great Deals out of 35 listings starting at $27,975
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2021 GMC Sierra 1500 Trucks in Fort Worth, TX
10 Great Deals out of 31 listings starting at $27,900
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2021 GMC Sierra 1500 Trucks in Blue Mound, TX
9 Great Deals out of 38 listings starting at $27,900
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2021 GMC Sierra 1500 Trucks in Benbrook, TX
6 Great Deals out of 24 listings starting at $27,975
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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.