2026 GMC Sierra 1500 · Trims · AT4
What is the 2026 GMC Sierra 1500 AT4?
The third most expensive of the Sierra's eight trims in our data. The AT4 starts at $68,300 as a with . On price, it sits between the Denali ($66,100, ) and the AT4X ($79,900, 4x4).
Our Sierra data has eight 2026 Sierra 1500 on the Crew Cab short bed, their modeled engines, drive systems and core towing and off-road . It doesn't have other cabs and beds, HD or EV trucks, paint, dealer or every equipment package yet, so something missing from this page may still be offered.
Where the AT4 sits
Every 2026 Sierra trim in our data by starting price, each as a Crew Cab short bed. Each is priced as it comes, so some include 4x4 and some don't.
The AT4 as it comes
Before any options as a Crew Cab short bed.
- Engine
- 3.0L Duramax turbo-diesel I6
- Transmission
- Duramax 10-speed automatic with Electronic Precision Shift (MQC)
- Drive
- Two-speed Autotrac
- Wheels
- 20-inch aluminum wheels
- Tires
- 275/60R20 all-terrain
- Seats
- Leather-appointed ventilated front buckets
- Touchscreen
- 13.4-inch GMC infotainment
Also standard: 4A automatic 4WD · 4L low range · Name-brand sound system · Heated seats · Ventilated seats · Heated steering wheel · 360° camera · Tow/Haul package · Off-road package
One step up: the AT4X
The AT4X costs $11,600 more. Our Sierra data isn't complete enough to list what it adds.
What you can add
Options and packages for the AT4 Crew Cab short bed, by their own price. Some need others with them.
- 18-inch mud-terrain tires57N/R3OPrice not in our data
- 6.2L V8L87Price not in our data
- Technology PackageCWMPrice not in our data
More Sierra answers
Build your own
Add options to see what they change, or switch trims to see what you gain or give up.
The AT4 Crew Cab short bed, as it comes
↑ The answerAT4
$68,300
Crew Cab, Short Bed
AT4
$68,300
Crew Cab, Short Bed
- Tow
- lb
- ·
- Payload
- lb
- ·
- Bed
- ft
- ·
- Torque
- lb-ft
- ·
- Max towing
- lb
- GCWR 15,000 lb
- Base payload
- lb
- Base-trim figure
- Bed
- ft
- Crew Cab
- Torque
- lb-ft
- 305 hp
- Highway mpg
- ≈mpg
- 22 city · EPA config
- Has Auto 4WD
- Has Low range
- No Max Trailering
- No Front locker
- No Rear locker
- Has Off-road
- Has Heated seats
- Has Ventilated seats
- Has 360° camera
Choose a trim
Packages & options
Engine & drive
Towing
Wheels & tires
Comfort & tech
Bed & utility
What your options change
This is a stock AT4. Pick a package and every part it swaps shows up here, and in orange on the truck.
- Has Auto 4WD
- Has Low range
- No Max Trailering
- No Front locker
- No Rear locker
- Has Off-road
- Has Heated seats
- Has Ventilated seats
- Has 360° camera
- Tailgate
- Six-function MultiPro
- Dampers
- Rancho monotube shocks
- Engine
- 3.0L Duramax turbo-diesel I6 · 305 hp
- Transmission
- Duramax 10-speed automatic with Electronic Precision Shift (MQC)
- Transfer case
- Two-speed Autotrac
- Rear differential
- G80 automatic locking rear differential
- Axle ratio
- 3.23:1
- GCWR
- 15,000 lb
- Wheels
- 20″
- Tires
- 275/60R20
- Touchscreen
- 13.4″ · 12.3″ driver display
- Factory lift
- 2″
- Clearance
- 11.10″ nominal
- Bed floor
- 69.92″ · 62.9 cu ft