Save your search and get notified when new inventory arrives.
Contact seller
Customize your budget
*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.
About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.
Used
2021 GMC Sierra 1500 trucks
for sale
near
Randolph, MA
- 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 Denali
Vehicle information
Features






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Good customer service, when they said my truck would be
Good customer service, when they said my truck would be ready it was. Much better than Hurd where I bought the truck.
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
Had a wonderful experience buying a car from Herb
Had a wonderful experience buying a car from Herb Connolly Chevrolet. The sales associate, Lucas, was friendly, knowledgeable, extremely helpful, and did not pressure me at all. He listened to my needs and helped me to get an excellent deal on a Volvo XC90. Hands down the best car-buying experience I’ve had. I would highly recommend Lucas and this dealership.
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
Amazing place to buy a car
Amazing experience. I'd recommend anyone looking for a car to try CarMax first... There's zero pressure, tons of beautiful vehicles, and just an all around great place. Will definitely be buying from here in the future. They're willing to work with you if you don't have the best credit, and most importantly, they're just honest and transparent. Two very important things when spending tens of thousands of dollars. Put it this way, it was great enough experience for me to come online and leave reviews all over!
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
Excellent customer service
Sharon was the best. She was very informative and patient and followed up on any questions I had and Greg went over and above to make sure I was.happy with everything.
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 Elevation
Vehicle information
Features
Reviews
Great experience!!
I had a wonderful experience with carmax in Westborough. Very friendly staff, very clean. They don't harass you. Upon entering the building, I was greeted and directed to the vehicles I was interested. I ventured the lot on my own and able to check out the vehicle. All the details were located on the window or they have touch screens with the info of the cars on the lots. Chris C was my sales person, he was very quick to respond to questions I had after I left the lot and also gave me detailed information about the cars I was interested in purchasing without haggling me to buy the more expensive car. When I had a question for him he would always answer it and send the brochure or the car detail info so I had it. The day I made my decision I was driving off the lot in a preowned vehicke within a few hours. I was extremely happy with my experience and would recommend Carmax in Westborough for anyone searching for a preowned vehicle. And i had been to other dealerships for test rides.






GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
buying a new truck
Jack A was wonderful to work with. He made buying our new vehicle stress free.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
If it wasn’t for the Service Manager Dominic and Customer
If it wasn’t for the Service Manager Dominic and Customer service rep Matthew who works for Dominic, the vehicle would have been sold months ago! They both went out of the box to get all issues fixed . I can’t say enough about these two and have repeatedly tried contacting the District Manager for Tasca GMC in trying to let him know that they’ve secured our loyalty. We’ve purchased more than 7 vehicles from Tasca and didn’t want to take our business elsewhere. TY Tasca for having such valuable employees. Nicole Saunders Owner of 2024 GMC Sierra Denali .






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Ac leak repair
Great service as usual. The tasca team is awesome to work with.






Vehicle information
Features
Reviews
Bought a used car
I had a good experience. Traded in my old car and bought a used Honda. Been driving it for around two years no problem. Big fan of CarMax.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
They are fantastic
I purchased a 2008 honda crv67,000 miles. I thought maybe I had no chance to get into this Honda because of bad credit. But they assured me if this is the car I want they would make it happen and sure enough it did. The next day I was in my car and very happy. They were understanding, caring, helpful. They made sure the car was in mint condition when they gave it to us. It is running beautiful. I am so glad I went there. I would buy another car there in a heartbeat. They were absolutely wonderful. Thank you car max for making are dreams come true.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
I got an unsuspected flat tire on a Monday morning on my
I got an unsuspected flat tire on a Monday morning on my way to work-Dominic, the service advisor got me in and out of the dealership within 90 minutes 🥲 thank you so much for helping me






Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Most honest car salesman
Just had the pleasure of meeting sales consult Mark Weisman. Mark is the most honest sales person I have met in a long time. How honest? He convinced me to keep the Jeep I have now. Check him out. Charlie S.






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Had my first oil change and was impressed!
Had my first oil change and was impressed! They were professional, reliable and efficient! Thank you! Tanya Abram






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
My experience at Imperial chrysler dodge jeep ram was
My experience at Imperial chrysler dodge jeep ram was very good. I worked with Ahmad Al-Jallad and Khalil Mansour and both were very attentive and explained everything clearly. They answered all my questions and gave me the best deal possible. If you are looking for a new or used car, I would recommend Imperial dealerships for your next purchase.






GMC Certified
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Service review
Excellent as always; second vehicle acquired from Marty's GMC






Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Sharon Munoz was wonderful and not pressing on any
Sharon Munoz was wonderful and not pressing on any aspects. She knew every detail on all the cars I test drove and it was a seamless transition. I highly recommend working with her, she will answers your texts/calls at anytime of the day. Thanks you so much Sharon!






Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Paul Macchi was my salesman and was excellent customer
Paul Macchi was my salesman and was excellent customer service! I purchased a 2022 Chevy Equinox and love it!






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
New car
Excellent salesman Scott. Dealership impeccable. Everyone professional and courteous. Explained every detail of buying process. Finance staff Kendra extremely professional and explained every process of leading my vehicle






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Not often do you have a great experience buying a
Not often do you have a great experience buying a vehicle, for most of us it’s hard to know if you can trust a dealership and the sales department. Firas and Ahmad are top notch. No hassles, they give you all the information you need to make the right decision. Once all the paperwork is done Firas took the time to go over all the features and infotainment system in depth for me,and even hooked up my phone for me. Came to the dealership needing a new vehicle left with a new truck and new friends. 5 stars for everyone at imperial.






Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Overall I had a good experience.
Overall I had a good experience. A salesperson explained things to me without being overly pushy. No complaints. I think I was treated very fairly. I did end up purchasing a vehicle from them and in my opinion got a very good deal.
-
Prev - 1
- 2
-
Next
GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2025 GMC Sierra 1500 | $32,590 | 3 Good deals |
2024 GMC Sierra 1500 | $38,300 | 5 Great deals |
2023 GMC Sierra 1500 | $24,988 | 25 Good deals |
2022 GMC Sierra 1500 | $31,500 | 6 Great deals |
2020 GMC Sierra 1500 | $38,500 | 4 Good deals |
2019 GMC Sierra 1500 | $22,988 | 11 Good deals |
2017 GMC Sierra 1500 | $18,999 | 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 $39,584, with pricing starting at $16,994.
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.
Similar Cars
-
Chevrolet Silverado 1500 for sale
8 Great Deals out of 45 listings starting at $26,302
-
Ford F-150 for sale
5 Great Deals out of 57 listings starting at $21,499
Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
Used 2021 GMC Sierra 1500 by city
-
2021 GMC Sierra 1500 in Braintree, MA
1 Great Deal out of 24 listings starting at $29,999
-
2021 GMC Sierra 1500 in Holbrook, MA
1 Great Deal out of 24 listings starting at $29,999
-
2021 GMC Sierra 1500 in Avon, MA
1 Great Deal out of 22 listings starting at $29,999
-
2021 GMC Sierra 1500 in Canton, MA
2 Great Deals out of 26 listings starting at $29,999
-
2021 GMC Sierra 1500 in Milton, MA
2 Great Deals out of 26 listings starting at $29,999
-
2021 GMC Sierra 1500 in Stoughton, MA
1 Great Deal out of 23 listings starting at $29,999
-
2021 GMC Sierra 1500 in Brockton, MA
1 Great Deal out of 20 listings starting at $29,999
-
2021 GMC Sierra 1500 in Norwood, MA
2 Great Deals out of 26 listings starting at $29,999
-
2021 GMC Sierra 1500 in Dedham, MA
2 Great Deals out of 25 listings starting at $29,999
-
2021 GMC Sierra 1500 in Sharon, MA
2 Great Deals out of 25 listings starting at $29,999
-
2021 GMC Sierra 1500 in Westwood, MA
2 Great Deals out of 25 listings starting at $29,999
-
2021 GMC Sierra 1500 in Easton, MA
1 Great Deal out of 22 listings starting at $29,999
Used 2021 GMC Sierra 1500 by body style
- ${price_badge()}
- ${ami_badge()}
- ${battery_badge()}${ev_report_link()}
- ${hot_car_badge()}
- ${award_badge()}
- ${cpo_badge()}
${price_badge_description}
${ami_badge_description}
The EV Battery Rating is based on this vehicle's current expected range relative to the vehicles expected range when new. ${battery_badge_text}
Certified cars are manufacturer warrantied and typically go through a rigorous multi-point inspection.
This car is likely to sell soon based on the price, features, and condition.
${award_blurb}
${award_two_blurb}