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Used
2021 GMC Sierra 1500 trucks
for sale
near
Brownsburg, IN
- 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
Responsive and considerate of the customer concerns.
Responsive and considerate of the customer concerns. Provided a good ride & drive experience. And, finally provided a competitive trade and purchase deal.
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 SLT
Vehicle information
Features
Reviews
Recently purchased a 2025 Nissan Frontier at Andy Mohr
Recently purchased a 2025 Nissan Frontier at Andy Mohr Nissan and it was a very pleasant experience. Eric Boaz did an outstanding job.
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
Great experience.
Great experience. Had my car back to me in 2 days! Friendly and helpful! Answered all my questions and kept me informed about my vehicle.
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
Contenta con la atención
Si están en busca de un carro y buen atención con todo el proceso este es un buen lugar para comprar tu carro. Vayan y vean a liz que les ayudará en todo.
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 communication.
Excellent communication. Outstanding service on 2023 Toyota Highlander recalls. Jared, my maintenance contact person, kept me aware of where and when my car would be completed. Thanks again for your excellent servide.
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 AT4
Vehicle information
Features
Reviews
Great to deal with!
Great to deal with! They made the car buying process very easy. Would highly recommend them when purchasing a vehicle in the Indy area.
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I was having trouble with monitor showing a problem with
I was having trouble with monitor showing a problem with 1 of my tire sensors & service department diagnosed the problem quickly & was able to repair without my having to make another appointment saving me making another trip for repairs. They explained what needed to be done & so far everything is working fine.
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Love my new Canyon Denali!
Love my new Canyon Denali! Arthur and the staff that assisted my buying process were great! I look forward to working with Ed Martin GMC for all my automotive needs!
Used
2021 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
excellent service.
excellent service. I highly recommend that you talk to Anthony Barton for your service needs.
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
5 starts !
Great Selection of Vehicles. I called in and unfortunately the one I was wanting has just sold but they had several similar models that ended up working for my family and I
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Everyone was helpful, friendly and nice.
Everyone was helpful, friendly and nice. Jacob Moss was very knowledgeable on the vehicles we were interested in, and the process was easy and seamless. Will never shop anywhere else!
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
The staff was friendly, competent and timely.
The staff was friendly, competent and timely. They were aware of the recall,had the necessary parts in stock and completed the work while I waited … in a nice customer lounge.
Used
2021 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
It was a very good experience.
It was a very good experience. The service was quick. The service care people were pleasant and professional. I would recommend stoops as a good option for care service.
Vehicle information
Features
Reviews
Service was great, the staff was very friendly &
Service was great, the staff was very friendly & professional. Had an issue pairing my old flip phone, got an error message and needed an update. The dealership fixed the issues free of charge.
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
We had a great experience with Javy Labrador and the
We had a great experience with Javy Labrador and the dealership when we purchased our first new car! He was very helpful in explaining the process and answering our questions. We are so excited to drive off in our brand new Buick! Thanks, Javy!
Used
2021 GMC Sierra 1500 Base
Vehicle information
Features
Reviews
Great Services
Bought my 3rd car from Ray Skillman. Great service and helpful Sales people. Would definitely recommend this dealership. I got a great deal on a Hyundai Tucson and the entire process was very fast and easy.
Used
2021 GMC Sierra 1500 Elevation
Vehicle information
Features
Reviews
Javy Labrador , Jeff and Gary did a fabulous job helping
Javy Labrador , Jeff and Gary did a fabulous job helping me get the car. FABULOUS. Would highly recommend, very highly, recommend working with these gentlemen
Vehicle information
Features
Reviews
No Hassle Bargaining
I went to the dealership with a specific car in mind. Salesman was accommodating and worked a deal that for my wallet quickly. I had one issue with the car & they addressed it at no cost to me. Very grateful.
Used
2021 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Window tint
They tinted my windows and did a great job! They were quick and called to let me know it was ready and helped make arrangements for a late pickup.
Used
2021 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Corey was excellent and I love my new Ford Raptor!
Corey was excellent and I love my new Ford Raptor! Ray did a great job on the financial side. The process was seamless and both have followed up already as well.
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $60,835 | 1 Good deal |
| 2025 GMC Sierra 1500 | $58,379 | 5 Great deals |
| 2024 GMC Sierra 1500 | $49,147 | 7 Great deals |
| 2023 GMC Sierra 1500 | $44,453 | 17 Good deals |
| 2022 GMC Sierra 1500 | $40,380 | 8 Good deals |
| 2020 GMC Sierra 1500 | $34,274 | 5 Great deals |
| 2017 GMC Sierra 1500 | $24,634 | 5 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 $35,840, with pricing starting at $13,900.
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 currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.