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Used 2021 GMC Sierra 2500 AT4 trucks for sale near me

Filters 5 Year Trim Model Price & payment Make Mileage Ext. color All filters
88 matches All miles from 43272
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Est. $400 /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
0.0%

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: MF193099
VIN: 1GT49PEY7MF193099

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Lithia Chrysler Jeep of Reno review

everyone is great there

I really liked everyone there that we met. When I drove the Jeep home Steve even was talking about maybe trading the truck in later. Mike was really a great salesman, I would give him 6 stars.

2021 GMC Sierra 2500 AT4 review

Beautiful truck

I love my 2021 GMC Denali 2500HD. I have gotten more complements on this truck than any other vehicle that I have owned. I get great highway fuel milage average 19-26mpg,which is great for a heavy duty truck!

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 6-Speed Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: 1154235A
VIN: 1GT49PE73MF303704

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Bomnin Chevrolet Manassas review

David was excellent to work with, he was very

David was excellent to work with, he was very knowledgeable about the Equinox and was able to answer all my questions. He made going through all the paperwork easy and we will definitely want to work with him again.

2021 GMC Sierra 2500 AT4 review

Best truck I ever owned

Love my GMC. Owned a Chevy and this absolutely beats it hands down. Never had any issues. Inside is very comfortable and can't imagine driving anything else

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: P25716
VIN: 1GT19PEY9MF135658

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Backup Camera, Brake Assist, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

McMullen Ford review

King ranch

I have purchased many vehicles from Mcmullen Ford. They are always friendly and professional. They treat me fairly on the price. They deliver my vehicle to me.

2021 GMC Sierra 2500 AT4 review

GMC 2500 HD AT4

This is the first diesel I have owned. The power is amazing and I really like the room inside the cab. This truck is a beast... Love it!

Vehicle information

Ext. color: Ebony Twilight Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: T261318A
VIN: 1GT49PE74MF306868

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Mohawk Chevrolet review

I've purchased probably 20 new vehicles in my life thus

I've purchased probably 20 new vehicles in my life thus far. This was the best purchase experience I've had to date. Dan, Kasey and the service team were exceptionally patient...I had a lot of questions. The service team was also exceptionally helpful as well answering some very detailed and specific questions with respect to the vehicle I was purchasing. I have always liked GM vehicles but having a great dealer to stand behind the product is more important than anything to me. The facility is state of the art and I like that but the people seem genuinely interested in doing right by me. If they continue to treat me as they have I will have little reason to ever look anywhere else for a vehicle. Really a great purchase experience and a really good deal as well.

2021 GMC Sierra 2500 AT4 review

Never had one. Always wanted one and love it.

I love my Denali. Beautiful truck inside out. When I drive down the road all heads turn. I couldn't have made a better choice. That's Cortez for you good service.

Vehicle information

Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: HRT318968
VIN: 1GT49PE72MF318968

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Richfield Bloomington Honda review

Staff were very kind and the job was completed in a

Staff were very kind and the job was completed in a timely and reasonable manner.

2021 GMC Sierra 2500 AT4 review

Early to tell truck has less than 100 miles

Truck was bought specifically to our travel trailer. We have to wait for 1000 break in before we can tow the trailer. So far the truck is very quiet, smooth running, & comfortable to drive. We were pleasantly surprised at how much interior storage space is available. Having the bed steps before rear tires and in the bumper sides is very nice. Bed rails are even with my shoulders so the steps get used a lot.

Vehicle information

Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: 369727XA
VIN: 1GT49PEY0MF257757

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Parks GMC Kernersville review

Mike Rose was our hero when we were looking for a almost

Mike Rose was our hero when we were looking for a almost new Tahoe. We were in Hickory and Morganton area, we were looking at a Tahoe at another Large dealer in Hickory, they SOLD it while we were looking! Called Mike Rose at Parks GMC and he took our name and number late February, 3rd He told us what he had on the lot and held it for us overnight. We arrived Feb 4th. to look at the 2025 Tahoe, High Country. We agreed on price and we drove it home. Love Mike Rose's attention to detail, southern charm, very nice, going above and beyond to help us. He was patient teaching us the new buttons and devices on the High Country Tahoe. We will purchase another new vehicle from him next week. People are important! Mike listened and treated us with respect and Southern Hospitality when we were looking for a vehicle.

Vehicle information

Ext. color: Ebony Twilight Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: 20311718T
VIN: 1GT49PE7XMF311718

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Folding Mirrors, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Garber Chevrolet Midland review

I had a great experience coming in for an oil change.

I had a great experience coming in for an oil change. The drop-off process was quick and convenient, and they even offered me a ride to work, which I appreciated, although my job is close enough that I chose to walk. My appointment was at 9:00 AM, but I dropped my car off at 8:00 AM before heading to work, and by 10:15 AM they had already called to let me know it was finished. The service was fast, efficient, and everyone was very friendly. I have always been treated wonderfully anytime I?ve had my vehicle serviced here. Highly recommend! ?????

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 6-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: T26184A
VIN: 1GT49PE70MF196157

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Ray Skillman Northeast GMC review

Very polite and nice salesman.

Very polite and nice salesman.Answered all my questions. and it hadn't been so far away from where I am living I probley would have test drove the 2017 Kia Sorento they had.

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: AP5077AT
VIN: 1GT49PE7XMF186588

Features

Convenience: Cooled Seats, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Tow Hitch
Safety: Backup Camera, Brake Assist, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Radley Chevrolet review

Everyone is so helpful.

Everyone is so helpful. They made the buying process as easy as possible. I would recommend this dealership. I will definitely be buying there in the future.

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 6-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: 0026297A
VIN: 1GT49PE75MF312078

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Backup Camera, Brake Assist, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Bill Hood Chevrolet review

I Don?

I Don?t Trust My Car With Anyone Else. When I First Started Going There, They Were So Polite. They Made My Us Feel At Home. I Never Go Where I Don?t Feel Welcomed. Awesome, Staff

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 6-Speed Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: 131B
VIN: 1GT49PE74MF245506

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Richardson Buick GMC - Midland review

Richardson Buick GMC of Midland Mi Is a great place to

Richardson Buick GMC of Midland Mi Is a great place to get your next car, there very friendly an don’t try to sell you something you’re not interested in, they took their time with me and my wife as we took our time to make the right decision that was best for us , they are very enjoyable to work with!!

Vehicle information

Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: Z86195A
VIN: 1GT49PEY3MF192242

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Sheehy Volkswagen of Hagerstown review

The entire experience at Sheehy was awesome!

The entire experience at Sheehy was awesome! From Kevin, the sales representative, to Clint, the manager, my entire deal was treated as if it was their own! They made every decision in favor of the buyer to make it feel I was being taken care of and treated right! Highly recommend the entire team at Sheehy VW in Hagerstown!

Vehicle information

Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: C5017P
VIN: 1GT19PE73MF261702

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Folding Mirrors, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Backup Camera, Brake Assist, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Walser Mitsubishi - Burnsville review

Avery was an amazing sales consultant.

Avery was an amazing sales consultant. He made me feel very comfortable with the whole process. It felt like I was talking to a trusted family member. I would highly recommend Walser Mitsubishi because of Avery and his amazing customer service. He is a rare gem, for sure! Caleb was also very helpful and professional!

Vehicle information

Ext. color: Brownstone Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 6-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: 15M25
VIN: 1GT49PE72MF166271

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Start, Navigation System, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Ulrich Ford Lincoln review

I am from out of town when my vehicle started to give me

I am from out of town when my vehicle started to give me troubles. Ulrich Ford went above and beyond to help me with my vehicle AND gave me a loaner to use. Billing was a blessing and I would recommend them to anyone. Thank you so much for your help!

Vehicle information

Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: G6699
VIN: 1GT49PE75MF311853

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Liftgate, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: MF175323T
VIN: 1GT49PEY6MF175323

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Cavender Buick GMC West review

I was taking care of right away even when I was early,

I was taking care of right away even when I was early, the wait was not terrible. My service advisor was friendly, I would recommend this place again.

Vehicle information

Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: MF202707
VIN: 1GT49PEY7MF202707

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Camp County Chrysler Dodge Jeep Ram review

Absolutely one of the best truck buying experiences ever.

Absolutely one of the best truck buying experiences ever. The owner Corey and his whole team were nothing but amazing! Corey just purchased this dealership recently and is creating an amazing buying experience! Call Josue in sales he will walk you through everything. Josue was on top of all of my needs and followed up after the sale to make sure everything was ok. I don’t care if you live in Montana, don’t pass this dealership up THE DEALS ARE LEGIT! I traded a 25 Ford Raptor R on a 2026 Ram RHO and TRX will be on deck. Corey prides himself on customer satisfaction! Corey not only gave top dollar for my trade I got $13k off sticker for the RHO. You will have a hard time matching that deal! Thank you Corey and team your attention to detail and the ultimate customer experience was perfect!!

Vehicle information

Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: U2009
VIN: 1GT49PE77MF299334

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Hartway Motors Chevrolet review

Very helpful and I really liked the truck, but the

Very helpful and I really liked the truck, but the dealership was just too far from Colorado.

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: MF310716
VIN: 1GT49PEY0MF310716

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Brake Assist, LED Headlights, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Friesen Ford review

We had a great car buying experience with Friesen Ford.

We had a great car buying experience with Friesen Ford. Louie and his team were extremely professional and wonderful to work with. We purchased a used Expedition that had some unexpected problems come up several days after the purchase. I notified Louie and his team corrected the issues right away (free of charge). We love our Expedition and will definitely recommend Friesen Ford to others!

Vehicle information

Ext. color: Pacific Blue Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: W22654
VIN: 1GT49PEYXMF308570

Features

Convenience: Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Power Folding Mirrors, Remote Start
Entertainment: Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Tow Hitch, Tow Hooks
Safety: Backup Camera, Brake Assist, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

D-Patrick Ford Lincoln review

I was in and out in 90 minutes from when I arrived

I was in and out in 90 minutes from when I arrived driving my newer Jaguar. Steve and Brad saw that I got my dream car.

GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 AT4 7 Great deals
2025 GMC Sierra 2500 AT4 $74,990 10 Great deals
2024 GMC Sierra 2500 AT4 $70,121 8 Great deals
2023 GMC Sierra 2500 AT4 $57,523 25 Great deals
2022 GMC Sierra 2500 AT4 $55,239 32 Great deals
2020 GMC Sierra 2500 AT4 $50,322 39 Good deals

About the 2021 GMC Sierra 2500 AT4

Basics

AT4 shown.

Seating
5
Door count
4
Drivetrain
Four Wheel Drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2021 GMC Sierra 2500 AT4
FAQs

How much does the 2021 GMC Sierra 2500 AT4 cost?

The 2021 GMC Sierra 2500 AT4 price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 2500 AT4 is $52,359, with pricing starting at $39,455.

What are some similar vehicles and competitors of the 2021 GMC Sierra 2500 AT4?

The 2021 GMC Sierra 2500 AT4 compares to and/or competes against the following vehicles:


Is the 2021 GMC Sierra 2500 AT4 reliable?

The 2021 GMC Sierra 2500 has an average reliability rating of 4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 2500 owners.

Ratings (29 reviews)

75% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.3
Value
3.9
Exterior
4.6
Reliability
4.0
Trims

AT4 (2 styles)

Style
4WD Crew Cab 172" AT4 4WD Crew Cab 159" AT4
Inventory price
Starting at $59,300 Starting at $59,100
Combined MPG
0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel 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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GMC Sierra 2500 trims

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