Used 2026 GMC Sierra 1500 AT4 Crew Cab
4x4
Vehicle Summary
Mileage
Miles
MPG FUEL ECONOMY
CITY
HWY
COMBINED
EPA estimates. Actual mileage may vary.
Performance
HP
Torque
Vehicle Description
2026 GMC SIERRA 1500 AT4 4X4 CREW CAB
CLEAN TITLE
HEATED AND VENTILATED FRONT SEATS
HEATED REAR SEATS
POWER FRONT SEATS WITH DRIVER MEMORY
HEATED STEERING WHEEL
APPLE CARPLAY & ANDROID AUTO
PREMIUM AUDIO
HEAD-UP DISPLAY WITH SURROUND-VIEW CAMERA
BLIND-SPOT MONITORING WITH REAR CROSS-TRAFFIC ALERT
FORWARD-COLLISION WARNING WITH LANE-KEEPING ASSIST
ADAPTIVE CRUISE CONTROL
3.0L TURBO-DIESEL 6-CYLINDER / 10-SPEED AUTOMATIC / 4X4
Premium diesel pickup with upscale heated and ventilated seating, advanced driver assistance, and surround-view camera technology.
Call or text to confirm availability and schedule an appointment. Mountain West Auto Group offers a wide selection of new and pre-owned vehicles, flexible financing options for qualified buyers, and trade-in opportunities to help make your next purchase simple. All advertised prices exclude tax, title, and registration. Equipment and features should be independently verified by the buyer prior to purchase. Mountain West Auto Group — Built for Your Adventure.
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Factory Warranty
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Basic warranty
36 month/36,000 miles
*Confirm any warranty information with dealer before purchase.Powertrain warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.Corrosion perforation warranty
72 month/100,000 miles
*Confirm any warranty information with dealer before purchase.Roadside warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.
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Mountain West Auto Group
Love what you drive. Our vehicles will guarantee you enjoy your driving experience every day with comfort, style, advanced technology, and reliable performance that keeps you confident on every journey.
We promise your shopping experience will be unlike any other dealership. Our dealership culture feels like a close-knit family, where staff build genuine connections, creating an inviting atmosphere that makes people excited to do business with us and return time and time again.
We work directly with dozens of trusted financial institutions to carefully compare options and guarantee you the best possible rate, ensuring you save money and get a financing plan that fits your budget perfectly.
Vehicle Features
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Interior
- Ventilated driver and front passenger seats
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
- Dual-zone front climate control
- Voice-activated climate control
- Automatic climate control
- Power tilting steering wheel
- Power telescopic steering wheel
- Vinyl rear seat upholstery
- Rear console climate control ducts
- Bucket front seats
- Driver seat with 8-way directional controls
- Front seat center armrest
- Front passenger seat with 8-way directional controls
- Driver seat with 2-way power lumbar
- Front passenger seat with 2-way power lumbar
- Leatherette steering wheel
- Split-bench rear seat
- Fold-up rear seat cushion
- 60-40 folding rear seats
- Rear seat center armrest
- Seating capacity: 5
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Exterior
- Vehicle to trailer hitching assist
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Trailer brake controller
- Trailer sway control
- Vehicle and trailer reverse assist with visual graphic guidance only
- Trailer hitch light
- Trailer wiring harness
- Class IV tow rating
- Trailer hitch
- 2 underbody skid plates
- Spray-in pickup bed liner
- Pickup bed-rail protectors
- Full-size spare tire with steel wheel
- Crank-down spare tire
- 2 front tow hooks
- LED in-box lighting
- 4 doors
- Standard style pickup box
- Galvanized steel/aluminum body panels with side impact beams
- Body-colored front bumper
- Body-colored rear bumper
- Black fender flares
- Dark chrome grille
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Mechanical
- AutoTrac part and full-time 4WD
- Duramax 3L I-6 direct injection, DOHC, variable valve control, intercooled turbo, diesel, engine with 305HP
- Duramax 3L I-6 DOHC
- Auto stop-start engine
- Intercooled turbo
- 10-speed automatic
- Selectable mode transmission
- Sequential shift with steering wheel controls
- Automatic
- Four-wheel drive
- Two-Speed Transfer Case
- Off-road ride suspension
- Speed sensitive power steering
- Lock-up transmission
- Engine block heater
- Front mounted engine
- Compression ignition system
- Variable intake manifold
- Longitudinal mounted engine
- Aluminum engine block
- Aluminum cylinder head
- Overdrive transmission
- Powertrain type: ICE
- All-speed ABS and driveline traction control
- Electronic transfer case shift
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Safety
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Braking collision mitigation
- Automatic Emergency Braking brake assist system
- Teen Driver restricted driving mode/alerts
- Rear Pedestrian Alert rear pedestrian detection warning
- HD Surround Vision w/Hitch View aerial view camera
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Gauge cluster display size: 12.30
- Front mounted camera with washer
- Right side camera
- Left side camera
- Trailer Side Blind Zone Alert blind spot warning
- IntelliBeam auto high-beam headlights
- Immobilizer
- Digital/analog instrumentation display
- Configurable instrumentation gauges
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Hill Descent Control (HDC)
- Hill Start Assist (HSA)
- Front and Rear Park Assist front and rear parking sensors
- LED daytime running lights
- LED brake lights
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Entertainment
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- Bose speakers
- Premium GMC Infotainment System external memory control
- Internet radio capability
- Premium GMC Infotainment System voice activated audio controls
- AM/FM/SiriusXM with 360Lsatellite
- 2 total number of 1st row displays
- 13.4 inch primary display
- Amplifier
- 7 speakers
- Seek scan
- Radio data system (RDS)
- 3 month satellite trial subscription
- Fixed audio antenna
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Crash Safety Ratings
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FRONT
4 STAR
ROLLOVER
4 STAR
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Disclaimers
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New vehicle pricing includes all offers and incentives. Tax, Title, and Tags not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us or by visiting us at the dealership. **With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 6.99% interest and 20% down payment.
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