2026 GMC Sierra 1500 · Trims · AT4X
What is the 2026 GMC Sierra 1500 AT4X?
The second most expensive of the Sierra's eight trims in our data. The AT4X starts at $79,900 as a with . On price, it sits between the AT4 ($68,300, 4x4) and the Denali Ultimate ($83,395, 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 AT4X 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 AT4X 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
- 18-inch aluminum wheels
- Tires
- LT275/70R18 mud-terrain
- Seats
- Leather-appointed ventilated front buckets
- Touchscreen
- 13.4-inch GMC infotainment
Also standard: 4A automatic 4WD · 4L low range · Front locker · Rear locker · Steel bumpers · Name-brand sound system · Head-up display · Heated seats · Ventilated seats · Heated steering wheel · 360° camera · Tow/Haul package · Off-road package
One step up: the Denali Ultimate
The Denali Ultimate costs $3,495 more. Our Sierra data isn't complete enough to list what it adds.
What you can add
Options and packages for the AT4X Crew Cab short bed, by their own price. Some need others with them.
- 6.2L V8L87Price not in our data
- AT4X AEV EditionULVPrice 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 AT4X Crew Cab short bed, as it comes
↑ The answerAT4X
$79,900
Crew Cab, Short Bed
AT4X
$79,900
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
- 19 city · EPA config
- Has Auto 4WD
- Has Low range
- No Max Trailering
- Has Front locker
- Has Rear locker
- Has Off-road
- Has Heated seats
- Has Ventilated seats
- Has 360° camera
Choose a trim
Packages & options
Engine & drive
Towing
Off-road
Bed & utility
What your options change
This is a stock AT4X. 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
- Has Front locker
- Has Rear locker
- Has Off-road
- Has Heated seats
- Has Ventilated seats
- Has 360° camera
- Tailgate
- Six-function MultiPro
- Dampers
- Multimatic DSSV spool-valve dampers
- 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
- Selectable rear locker
- Axle ratio
- 3.23:1
- GCWR
- 15,000 lb
- Wheels
- 18″
- Tires
- LT275/70R18
- Touchscreen
- 13.4″ · 12.3″ driver display
- Factory lift
- 2″
- Clearance
- 11.50″ nominal
- Bed floor
- 69.92″ · 62.9 cu ft