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Used
2021 GMC Sierra 1500 trucks
for sale
near
Hampstead, 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
Ron was very friendly and worked hard to help us get into
Ron was very friendly and worked hard to help us get into a car we could afford and is reliable! I would highly suggest anyone that needs a car to go to Merchats and ask for Ron Semons!
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 Elevation
Vehicle information
Features
Reviews
Had Tires and Battery replaced.
Had Tires and Battery replaced. Good Prices and Good work. Service Manager found several discounts that was applied to my needs. Work was done on time and vehicle was in a clean state when finished
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
We had a great experience working with our finance
We had a great experience working with our finance handler, Ryan. He was very personable, knowledgeable, helpful and did not pressure us with anything. He went above and beyond to help us get the car we were looking for.
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
Great customer service great pricing helped us out with
Great customer service great pricing helped us out with every question we had I would def recommend anyone going there. Jonathon was our salesman today was very nice and helpful
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
Killian is an awesome sales associate.
Killian is an awesome sales associate. He is professional and knowledgeable. Purchased a beautiful white Pacifica Limited right off the showroom floor.
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 Base
Vehicle information
Features
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Excellent service and friendly staff!
Excellent service and friendly staff! My husband and I were treated like family. We had an issue during the process, but the team supported us every step of the way, and everything worked out perfectly in the end. The entire staff was very professional, and I’d like to especially thank André, Paulo, and Karen, who kept us informed and truly dedicated themselves to achieving a successful outcome — which we did!
GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Great dealership to work with.
I can't say enough about how great my experience was from the salesman to the finance manager. They worked with me, without all the pressure, and I drove out with my new vehicle in 48 hours. A+ dealership
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Bill was awesome to work with!
Bill was awesome to work with! I would definitely recommend checking out auto factory if you’re in the area!
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Thank You !!!!!!
I like to thank Tim Jr and the service department for helping me with tires for my truck. As always was greeted with great customer service and the service tech did a great job . Thanks again Tim and team great experience every time.
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Everyone at this dealership was friendly and helpful.
Everyone at this dealership was friendly and helpful. Dealership was immaculately clean. they went the extra mile to make us feel welcome and comfortable. Great experience. Thank You, Bob & Colleen Kilpatrick
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Saw the truck I wanted, made an appointment vis phone for
Saw the truck I wanted, made an appointment vis phone for the next day. I was in and out in just a few hours with a trade in and financing. Great experience.
GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Jake Kelly helped me find the car the was right for me
Jake Kelly helped me find the car the was right for me He took his time explaining all of the important differences between vehicles and ensured I was happy. I will go back to him again 100%!
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
All went extremly well.
All went extremly well. No issues. Tanner is the best! I am a repeat customer. Why do I need twenty five words ?This is a bother.
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
One of the absolute best buying experiences I have ever
One of the absolute best buying experiences I have ever had! The team is awesome and Bill was fantastic and engaged from the moment we met until we drove off wi the our new truck! I will be back for next vehicle!❤️🚙🛻
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Jaycob was our sale representative was inviting,
Jaycob was our sale representative was inviting, knowledgeable about the cars, very accommodating and patient. Great to work with!!!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Absolutely great experience buying my 2026 Stingray.
Absolutely great experience buying my 2026 Stingray. The best dealer I have ever dealt with. Don't bother looking anywhere else to buy a Corvette. Tommy stands alone!
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Brought my 2011 GMC 1500 in for service for routine
Brought my 2011 GMC 1500 in for service for routine maintenance and the team did a great job as usual. I've been servicing my truck here since day 1. Thank you Dustin and team.
GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Love my Sierra AT4, the team there was great!
Love my Sierra AT4, the team there was great! 5 stars! Only wish is, that I would have done this sooner.
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $61,539 | |
| 2025 GMC Sierra 1500 | $53,941 | 8 Good deals |
| 2024 GMC Sierra 1500 | $50,381 | 18 Good deals |
| 2023 GMC Sierra 1500 | $47,688 | 11 Good deals |
| 2022 GMC Sierra 1500 | $42,260 | 22 Good deals |
| 2020 GMC Sierra 1500 | $33,506 | 7 Good deals |
| 2019 GMC Sierra 1500 | $31,379 | 7 Good deals |
| 2018 GMC Sierra 1500 | $27,464 | 8 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 $35,744, with pricing starting at $15,200.
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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Research the 2021 GMC Sierra 1500
Compare the 2021 GMC Sierra 1500
2021 GMC Sierra 1500 by city
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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.
