New GMC Sierra 1500 AT4 for Sale nearHomosassa, FL
201 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- 475755
- VIN:
- 1GTUUEEL6TZ475755
New arrival
Sponsored by Central Buick GMC
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Winter Haven, FL
76 mi away
New car
MSRP $75,054
$71,804
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T5672
- VIN:
- 3GTUUEE81TG438799
Sponsored Listing
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $74,154
$62,598
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- T5893
- VIN:
- 3GTUUEEL1TG273339
Sponsored Listing
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,900
$62,700
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Coastal Dune
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- GT447461
- VIN:
- 1GTUUEE89TZ447461
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Bradenton, FL
91 mi away
New car
MSRP $72,165
$64,455
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- MG26099
- VIN:
- 3GTUUEE86TG380835
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Mount Dora, FL
58 mi away
New car
MSRP $70,939
$62,833
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 85
- Stock #:
- 259830
- VIN:
- 1GTUUEE85TZ259830
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Winter Haven, FL
76 mi away
New car
MSRP $72,129
$62,467
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T5076
- VIN:
- 1GTUUEEL0TZ416023
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,554
$61,844
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- T5893
- VIN:
- 3GTUUEEL1TG273339
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,900
$62,700
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- T5224
- VIN:
- 1GTUUEELXTZ421021
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $76,049
$62,285
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T5282
- VIN:
- 1GTUUEEL8TZ421034
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $76,049
$62,285
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- 448199
- VIN:
- 1GTUUEE85TZ448199
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Winter Haven, FL
76 mi away
New car
MSRP $72,564
$63,131
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- GT444921
- VIN:
- 1GTUUEE82TZ444921
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Bradenton, FL
91 mi away
New car
MSRP $72,165
$64,455
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 125
- Stock #:
- MG26031
- VIN:
- 1GTUUEEL2TZ352129
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Mount Dora, FL
58 mi away
New car
MSRP $74,954
$64,607
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- GT445357
- VIN:
- 1GTUUEE84TZ445357
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Bradenton, FL
91 mi away
New car
MSRP $71,670
$64,000
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- T3114
- VIN:
- 3GTUUEEL7TG293935
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,554
$62,208
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- T5040
- VIN:
- 3GTUUEEL3TG381722
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,630
$61,912
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 50
- Stock #:
- 26T333
- VIN:
- 3GTUUEE88TG367147
Price drop
-$1,500
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Lakeland, FL
66 mi away
New car
MSRP $74,255
$64,689
$63,189
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- TG291362
- VIN:
- 3GTUUEE84TG291362
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Brooksville, FL
19 mi away
New car
MSRP $73,855
$69,540
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T5187
- VIN:
- 1GTUUEELXTZ420001
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $76,049
$62,285
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Coastal Dune
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- GT460178
- VIN:
- 1GTUUEE82TZ460178
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Bradenton, FL
91 mi away
New car
MSRP $72,165
$64,455
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- GT445361
- VIN:
- 1GTUUEE86TZ445361
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Bradenton, FL
91 mi away
New car
MSRP $71,670
$64,000
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T5078
- VIN:
- 1GTUUEEL7TZ415435
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $76,049
$62,285
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 15 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T5102
- VIN:
- 1GTUUEEL9TZ416294
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,554
$61,844
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Leather
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- T6102
- VIN:
- 3GTUUEE83TG425360
2026 GMC Sierra 1500
AT4 Crew Cab 4WD
Tampa, FL
60 mi away
New car
MSRP $75,749
$64,747
Overview
The GMC Sierra 1500 is a spacious and capable pickup. It is offered in a number of trims providing a wide array of creature comforts. While GMC might be more sooner associated with the chrome-clad Denali variants, the Sierra is also available in more outdoorsy trims, such as the AT4. Designed as a sort of the anti-Denali, the AT4 is designed to get muddy. It features a 2-inch lift, Rancho shocks, upgraded underbody skid plates, an Auto-Trap two-speed transfer case, and a locking rear differential. The AT4 is not without niceties, as it receives a unique black interior with Kalahari accents and a host of creature comforts. The AT4 trim was introduced with the redesigned Sierra 1500 in 2019 and has continued through the 1500’s 2022 model year update.
Key Features
- Gas V8, Duramax Turbodiesel I6
- 2-inch suspension lift w/ Rancho shocks
- Skid plates
- Heated/ventilated front seats, leather upholstery
- Touchscreen infotainment w/ Apple CarPlay, Android Auto
Pricing Details
In Crew Cab configuration, the 2023 GMC Sierra 1500 AT4 carries a $66,700 MSRP. Used examples on CarGurus range from $23,053.50 to $85,630.95 with an average price of $33,131.27. The Sierra 1500 AT4 is available with a number of options packages. The Premium Package adds a number of upgraded driver assistance features. The Technology Package adds a head-up display, bed view camera, and rear camera mirror. The AT4 Preferred Package adds a universal garage door opener, adaptive cruise control, and a power-sliding rear window with a defogger.
Specifications
Performance
Engine
6.2-liter gas V8, 3.0-liter turbodiesel I6
Transmission
Eight-speed automatic (gas), 10-speed automatic (diesel)
Drivetrain
Four-wheel drive (4WD)
Horsepower/Torque
420 hp/460 lb-ft (gas) / 277 hp/460 lb-ft (diesel)
0-60 mph
5.8 seconds
MPG
24 mpg city, 34 mpg highway, 28 combined (6AT) / 26 mpg city, 36 mpg highway, 30 combined (5MT)
Curb weight
4,816 pounds
Dimensions
wheelbase
147.53 inches
length
231.72 inches
width
81.24 inches
height
78.35 inches
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
4.0 Overall rating
Filter by rating
Anonymous
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Sep 9, 2024
The truck had all the features I wanted and the price was in-line, or better with others in my search.
Is this review helpful?
Buddy H
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Jan 5, 2025
Slightly over priced for the miles I would pay $29000-$30000 all day
Is this review helpful?
FAQs
What is the fuel economy of the GMC Sierra 1500 AT4?
Depending on the engine and options, the GMC Sierra 1500 AT4 gets between 15 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Gasoline engines are available.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
Relevant articles
CarGurus Editorial Team
Best Truck Lease Deals in August 2026
Leasing a truck can be a great way to get into one of the latest models, with the best technology, at a more affordable monthly price. Here are the best deals we've found this month.
CarGurus Editorial Team
Best Car Deals in August 2026
In the market for a new or used car this year? Whether you’re looking to buy or lease, we’ve collated a list of the best car deals available this month.
CarGurus Editorial Team
The Best Gas Mileage Trucks of 2026
No one wants to cover unnecessary fuel expenses, particularly when operating a business. Here are the top 9 pickup trucks in the US market with the best fuel efficiency.
