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*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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Used
2021 GMC Sierra 1500 trucks
for sale
near
South Hampton, NH
- 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
Sales staff were very helpful and polite.
Sales staff were very helpful and polite. Their follow up calls and honesty should be a trend setter for other dealers to follow!
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.
GMC Certified
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
My husband and I had the best experience at Tulley.
My husband and I had the best experience at Tulley. Dave our salesman was professional, knowledgeable and a great guy. A great dealership. We love our vehicles.
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
The salesman we worked with was extremely pleasant and
The salesman we worked with was extremely pleasant and easy to work with. I will go back to there when I'm ready to trade in.
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 Denali
Vehicle information
Features
Reviews
I recently had the pleasure of purchasing a 2024 F150 XLT
I recently had the pleasure of purchasing a 2024 F150 XLT Hybrid from McFarland Ford in Exeter, NH, and I can’t speak highly enough about the experience! From start to finish, the professionalism and dedication of Sales Consultant Fernando Andrada and General Sales Manager Jason Ose were outstanding. I arrived at the dealership on a Friday evening around 5:00 PM—just an hour before their official closing time. Despite the late hour, Fernando and Jason made sure my needs were their top priority. They stayed well past closing, working until 8:00 PM to ensure the deal was structured correctly and that I was completely taken care of. Their commitment to customer satisfaction was evident in every step of the process. Fernando was knowledgeable and attentive, answering all my questions about the F150 Hybrid, while Jason went above and beyond to secure a deal that worked perfectly for me. If you're in the market for a vehicle and want to work with a team that truly values your time and business, I highly recommend McFarland Ford. Fernando and Jason are shining examples of professionalism and excellent customer service. Thank you both for making this such a smooth and enjoyable experience!
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
I purchased a new Murano last week.
I purchased a new Murano last week. I had a very favorable experience with the dealership and would highly recommend them. I worked with both Barry Kane and Kyle Frenette. They were both very knowledgeable on the vehicle and pleasant to work with.
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
Very professional and accommodating car was very clean
Very professional and accommodating car was very clean they do a very good detailing before delivery
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!
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Kristy and Paul are great to work with and are very
Kristy and Paul are great to work with and are very accommodating. I know I will receive great service at a great price when I bring my truck in.
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Justin was a great guy to meet, and made our choice on
Justin was a great guy to meet, and made our choice on finding our car easy ...thanks Justin !
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
My experience here in CarFive was smooth thanks to Reed.
My experience here in CarFive was smooth thanks to Reed. Reed was kind and understanding.
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Very helpful salesman and finance manager.
Very helpful salesman and finance manager. Whole deal was closed with a test drive in one and a half hours. I will check here first when buying a vehicle again.
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Was a great experience with the dealership.
Was a great experience with the dealership. Tom, Kenny and Vinnie were great to deal with. Came up from New Jersey with a rental car and left with an awesome Sierra. Too bad the dealership wasn’t closer for me, but do recommend Tully
GMC Certified
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Joe DuCharme
When waiting repairs. It?s a very comfortable place to wait. 2 different waiting area?s both with tv?s. Coffee, water and soda always available!
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Just purchased a Rogue from here.
Just purchased a Rogue from here. Great experience. Worked with Justin. Would recommend working with him and the dealership.
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Shop is clean and mechanics are knowledgeable.
Shop is clean and mechanics are knowledgeable. Service advisors are also very helpful. Experience overall is great. I will continue to rely on them for my service.
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 Elevation
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 Elevation
Vehicle information
Features
Reviews
Thanks Timmy for explaining all the details of the work.
Thanks Timmy for explaining all the details of the work. And for making sure I understood what was next!
Vehicle information
Features
Reviews
We recently had a significant caution light suddenly
We recently had a significant caution light suddenly appear, and called Audi Peabody to schedule an appointment for repairs. We spoke with Chantel, who was very helpful and able to offer us an appointment within 1 hour of our call. When we arrived we were met by Joe Faria, Service Consultant. From the beginning of our interaction Joe was extremely helpful, courteous and professional. He listened to our explanation of the situation, asked appropriate clarifying questions and assured us that our issue would be dealt with in a thorough and expeditious manner. Joe communicated with us throughout the repair process to keep us informed of the status of our repair. Our entire interaction with Joe vastly exceeded our expectations and we are extremely satisfied with Joe and the service provided by the technician who worked on our vehicle. When our two Audi Q5's require service in the future we will unquestionably return to Audi Peabody and work with Joe as our Service Consultant.
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Even though we didn't reach a deal on the Corvette they
Even though we didn't reach a deal on the Corvette they were very responsive
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $61,759 | 3 Good deals |
| 2025 GMC Sierra 1500 | $57,620 | 8 Good deals |
| 2024 GMC Sierra 1500 | $49,585 | 5 Great deals |
| 2023 GMC Sierra 1500 | $47,957 | 14 Good deals |
| 2022 GMC Sierra 1500 | $39,862 | 18 Good deals |
| 2019 GMC Sierra 1500 | $34,068 | 5 Good deals |
| 2018 GMC Sierra 1500 | $25,950 | 12 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 $35,514, with pricing starting at $14,400.
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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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.
