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Used
2021 GMC Sierra 1500 trucks
for sale
near
Humble, 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 Elevation
Vehicle information
Features
Reviews
Great!
Great!!! The salesman helped me throughout the buying process and has stated in contact with me since the purchased. I believe I am going to enjoy the relationship developed with the North Houston dealership. I like the car and us meeting my experience extraction. Thank you.
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.
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 🙌🏾
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 AT4
Vehicle information
Features
Reviews
AWESOME CAR BUYING EXPERIENCE!
Awesome car buying experience with no run around ! Very straight forward easy experience. They do not pressure you or give you the run around at all. The customer service is beyond FANTASTIC! My salesman Mike was truly helpful & prompt on the the whole deal. Will definitely be referring family and friends & continue buying from CarMax (especially this particular location) !
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 Elevation
Vehicle information
Features
Reviews
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 Elevation
Vehicle information
Features
Reviews
No hassle, no pressure.
No hassle, no pressure. 10/10 car buying experience! Javi helped me find EXACTLY what I was looking for! So thankful for everything they did for me!
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!
Vehicle information
Features
Reviews
Melissa was absolutely marvelous with helping me navigate
Melissa was absolutely marvelous with helping me navigate the buying process! she was professional and gave me the time I needed to make a decision on the vehicle that was right for me and my family!
Vehicle information
Features
Reviews
Good they tried to make the deal and we’re willing to
Good they tried to make the deal and we’re willing to bend a little bit
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
The staff was very friendly, the service was done quickly
The staff was very friendly, the service was done quickly and I received a complimentary car wash which was a nice thing. I would recommend this location! Great job!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Claudia Arredondo took care of me.
Claudia Arredondo took care of me. I?m satisfied with the service work done on my vehicle. Thank you again for your service and look forward to visiting you in the future
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Everything was first rate with this car dealership.
Everything was first rate with this car dealership. It was so easy to get financed and get the monthly payment where I wanted it. Would definitely recommend this dealership
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Keith Mack was our sales rep and he was great!
Keith Mack was our sales rep and he was great! Everything went smoothly. The finance rep was great as well. They made it one of the most enjoyable vehicle purchasing experiences I have experienced. Go see them.
GMC Certified
2021 GMC Sierra 1500 Elevation
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
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great experience even though it cost for required
Great experience even though it cost for required services for the amount of miles I have on my vehicle.The TV is now working in the waiting area.
Vehicle information
Features
Reviews
Kam is the greatest their is he help me get rolling in
Kam is the greatest their is he help me get rolling in less than 3days
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Beck & Masten did a great job servicing my ?
Beck & Masten did a great job servicing my ?21 GMC Sierra. Reps were friendly and work was performed quickly. Coffee was great as well. A
Used
2021 GMC Sierra 1500 AT4
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!
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Great response, see you soon.
Great response, see you soon. They have the vehicle's I would like to test drive, sorry my time is been to busy but I call you soon.
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $62,462 | 3 Good deals |
| 2025 GMC Sierra 1500 | $58,336 | 18 Great deals |
| 2024 GMC Sierra 1500 | $50,332 | 9 Great deals |
| 2023 GMC Sierra 1500 | $48,528 | 6 Great deals |
| 2022 GMC Sierra 1500 | $47,049 | 12 Good deals |
| 2020 GMC Sierra 1500 | $33,495 | 5 Great deals |
| 2019 GMC Sierra 1500 | $32,933 | 11 Good deals |
| 2018 GMC Sierra 1500 | $25,532 | 4 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 $37,559, 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.
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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2021 GMC Sierra 1500 by body style
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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.
