
2026 GMC Sierra 1500
Mileage: 5 · Oklahoma City, OK
2026 GMC Sierra 1500 AT4X Crew Cab 4WD
Oklahoma City, OK
$77,980
MSRP
$84,980
Dealer rating
Request information
Features
Mileage
5
Drivetrain
Four-Wheel Drive
Exterior color
Coastal Dune
Interior color
Black (Obsidian Rush)
MPG
19 MPG
Engine
3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2026
- Trim:AT4X
- Body type:Pickup Truck
- Exterior color:Coastal Dune
- Interior color:Black (Obsidian Rush)
- Mileage:5 mi
- Condition:New
- VIN:3GTUUFE86TG266999
- Stock number:TG266999
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:19 MPG
- City gas mileage:19 MPG
- Highway gas mileage:20 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:3L I6 Diesel
Safety
- ABS Brakes
- Adaptive Cruise Control
- Backup Camera
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
Coastal Dune
LPO, Off-Road High Clearance Steps
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing
- Price increasedPrice went up by $1,750.
Dealer

Dealer reviews
Dealer's description
Heated/Cooled Leather Seats, Navigation, Moonroof, Heated Rear Seat, 4x4, Aluminum Wheels, Trailer Hitch, Bed Liner. FUEL EFFICIENT 20 MPG Hwy/19 MPG City! Coastal Dune exterior and Obsidian Rush interior, AT4X trim.
KEY FEATURES INCLUDE
Leather Seats, Sunroof, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Back-Up Camera, Diesel Keyless Entry, Privacy Glass, Steering Wheel Controls, Heated Mirrors. GMC AT4X with Coastal Dune exterior and Obsidian Rush interior features a Straight 6 Cylinder Engine with 305 HP at 3750 RPM*.
OPTION PACKAGES
LPO, OFF-ROAD HIGH CLEARANCE STEPS (dealer-installed), TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking (STD), AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, INCLUDES COLOR TOUCH-SCREEN, MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones (STD).
MORE ABOUT US
Only at Bob Howard Buick GMC13300 Broadway ExtensionOklahoma City, OK 73114Call us at (405)936-8800 or text us any time at (405)217-0721
Horsepower calculations based on trim engine configuration. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.
Additional Information
4-Wheel Disc Brakes,A/C,ABS,Adaptive Cruise Control,Adjustable Steering Wheel,Aluminum Wheels,AM/FM Stereo,Apple CarPlay,Auto-Dimming Rearview Mirror,Auxiliary Audio Input,Back-Up Camera,Bed Liner,Blind Spot Monitor,Bluetooth,Bucket Seats,Climate Control,Conventional Spare Tire,Cross-Traffic Alert,Cruise Control,Daytime Running Lights,Diesel Fuel,Driver Adjustable Lumbar,Driver Air Bag,Floor Mats,Fog Lamps,Four Wheel Drive,Front Head Air Bag,Front Side Air Bag,Heated Mirrors,Heated Seats,Heated Seats,Heated Seats,Heated Steering Wheel,Intermittent Wipers,Keyless Entry,Keyless Start,Lane Keeping Assist,Leather Seats,Leather Steering Wheel,Locking/Limited Slip Differential,Mirror Memory,MP3 Player,Multi-Zone A/C,Navigation System,Pass-Through Rear Seat,Passenger Adjustable Lumbar,Passenger Air Bag,Power Door Locks,Power Driver Seat,Power Mirror(s),Power Passenger Seat,Power Steering,Power Windows,Premium Sound,Privacy Glass,Rain Sensing Wipers,Rear Defrost,Rear Head Air Bag,Rear Parking Aid,Remote Start,Running Boards/Side Steps,Satellite Radio,Seat Memory,Security System,Sliding Rear Window,Smart Device Integration,Stability Control,Steering Wheel Audio Controls,Straight 6 Cylinder Engine,Sunroof / Moonroof,Sunroof / Moonroof,Telematics,Tire Pressure Monitor,Tires - Front All-Terrain,Tires - Rear All-Terrain,Tow Hitch,Traction Control,Transmission w/Dual Shift Mode,Universal Garage Door Opener,Variable Speed Intermittent Wipers,WiFi Hotspot
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* Fuel economy figures shown are provided from EPA mileage estimates and may not be comparable across different model years. Actual mileage will vary, depending on specific options selected, vehicle maintenance and your driving habits
Vehicle information is provided by the seller or other third parties; CarGurus is not responsible for the accuracy of such information. Price may exclude certain taxes, fees, and/or charges. See seller for details.







