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Used
2021 GMC Sierra 1500 trucks
for sale
near
Millstone, NJ
- 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 man, friendly and helpful!
Great man, friendly and helpful! Really made sure I was in good hands and to buy a car that i wanted not just to sell like other dealerships
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 AT4
Vehicle information
Features
Reviews
It was easy and pleasant to deal with Mary Beth.
It was easy and pleasant to deal with Mary Beth. There was no pressure to make a hasty purchase. She was able to locate the exact car that I was looking for.
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
Surveys don't get to the real problems which I'm sure can
Surveys don't get to the real problems which I'm sure can be reviewed on the the daily footage. communication is key especially when you have so meany people that could.
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 SLT
Vehicle information
Features
Reviews
Jeff, Mark, Jack, and all of the salesmen were extremely
Jeff, Mark, Jack, and all of the salesmen were extremely helpful and made the car buying process extremely easy. Thanks for being the best!
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.
Vehicle information
Features
Reviews
Had a vehicle delivered from elsewhere and a good
Had a vehicle delivered from elsewhere and a good experience. Quite a lengthy process but the sales rep was much easier to deal with than at conventional dealers. Would return.
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
The entire buying process was easy and enjoyable.
The entire buying process was easy and enjoyable. Great sales team from start to finish.
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Easy, professional knowledgeable and an all around
Easy, professional knowledgeable and an all around pleasure - everything delivered as promised - very friendly staff
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
LG as a dealer was cooperative and polite.
LG as a dealer was cooperative and polite. The salesman, Mike Amarando, was professional, personable and proficient in his job. Good man to deal with. We could not reach a sale but that was because of the car that did not meet my expectations.
GMC Certified
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Great owners great people working couldn't ask for a
Great owners great people working couldn't ask for a better experience. Would recommend to anyone to buy a truck or car from Coleman and has a clean nice service waiting area
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Khader
Khader was very helpful. I came in looking for a car with a huge balance from my previous car and he helped me get into a newer car and helped me achieve the payment I was looking for. They are all very helpful and they are not the typical pushy salesman. A very nice establishment to purchase a car from. Thanks again Khader!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Great Experience. Their service is also very good
I had the pleasure of purchasing two Acura's here. Tim is Eberhardt is my sales rep. I would never purchase a car anywhere else. Their service is also the best!
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
High Quality Service, High Quality Vehicles
Great customer service, very welcoming to the guests. Quick and easy process got in & out in a timely manner. All the vehicles are clean and in pristine condition, will definitely check them out again in the future!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Had a great time with Peter.
Had a great time with Peter. He helped me get a new Santa Fe Hybrid at a great deal. GO SEE PETE FOR A GOOD DEAL
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Thank you Alex Ramirez for all your help with my lease.
Thank you Alex Ramirez for all your help with my lease. Great salesman, what a professional didn't mind working late, made sure we left that very night with a vehicle. Thank you again Alex Ramirez!!!!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
The dealership looks solid: cars neatly arranged, not
The dealership looks solid: cars neatly arranged, not stacked on top of each other, and you can actually walk around and inspect everything. No dramatic lighting or showiness - just practical and convenient. I appreciate that.
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Always great buying a car here.
Always great buying a car here. Derek was great. The whole staff is great. I got my dream truck!
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great Dealership!
I bought my Buick Regal Tourx in 2019 from them and they have helped me maintain her since. Awesome dealership, and recently Bill in service has went beyond the wording or meaning of service. My Regina drives just like she did out of the showroom 4 years ago. Kudos to T and T Coast and Bill in service!
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Great place!
Friendly people who are knowledgeable about the vehicles they sell & service. It can be hard to find quality businesses these days and I recommend T&T coast to anyone looking for a great place to do business.
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
I’ve had a great experience so far.
I’ve had a great experience so far. I purchased a pre-owned Ram last night. My salesman was Eric. He’s super friendly, personable, and professional. He made me feel valued even though I wasn’t buying a fancy, new, expensive vehicle. I was in and out, hassle free, and on the road very quickly.
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $64,230 | |
| 2025 GMC Sierra 1500 | $61,297 | 2 Good deals |
| 2024 GMC Sierra 1500 | $49,935 | 12 Great deals |
| 2023 GMC Sierra 1500 | $44,558 | 7 Great deals |
| 2022 GMC Sierra 1500 | $42,398 | 5 Great deals |
| 2019 GMC Sierra 1500 | $30,557 | 7 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 $36,093, with pricing starting at $13,980.
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.
