This 2026 GMC Sierra 1500 SLT in gray delivers capable truck performance with a powerful 3.0L turbocharged I-6 diesel engine, 4WD, and impressive fuel economy at 22 city and 26 highway MPG. Built for both work and weekend adventures, this SLT trim combines premium features with rugged reliability. - 3.0L Turbocharged I-6 Diesel Engine with 10-Speed Automatic - Premium Bose 7-Speaker Sound System with Apple CarPlay/Android Auto - Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment - Advanced Safety: Automatic Emergency Braking, Lane Keep Assist, Forward Pedestrian Braking - Remote Vehicle Starter with Wireless Apple CarPlay - Navigation System and Wi-Fi Hotspot Capable - Integrated Trailer Brake Controller with Hitch Guidance - Auto-Dimming Mirrors and IntelliBeam Automatic Headlights - Rear Vision Camera with SiriusXM 360L Trial Subscription - 20 Polished Aluminum Wheels with All-Terrain Performance The Sierra 1500 SLT is equipped with comprehensive comfort technology including tri-zone automatic climate control, power windows and door locks, and a heated steering wheel. Safety is paramount with dual front airbags, electronic stability control, traction control, and OnStar emergency communication. The trailering package, integrated brake controller, and hitch guidance make towing straightforward and secure. This truck combines work-ready capability with refined driving experience. Discover why the Sierra 1500 SLT stands out in its class—visit us to take the wheel today. Premier Cadillac Buick GMC of Carlsbad is proud to serve drivers throughout Carlsbad, Oceanside, Encinitas, San Marcos, Vista, Escondido, Rancho Santa Fe, Del Mar, Solana Beach, Cardiff-by-the-Sea, La Costa, Bressi Ranch, Rancho Bernardo, Poway, Fallbrook, Bonsall, Valley Center, Camp Pendleton, Carmel Valley, and all of North County San Diego. Whether you're shopping for a new Cadillac Escalade, LYRIQ, Optiq, XT5, XT6, Buick Envista, Encore GX, Enclave, GMC Sierra 1500, Sierra HD, Yukon, Yukon XL, Hummer EV, Canyon, Acadia, Terrain, or a quality pre-owned vehicle, our experienced team is committed to delivering a transparent, pressure-free buying experience. Sales 760-653-0332Read full dealer descriptionHide dealer description
This 2026 GMC Sierra 1500 SLT in gray delivers capable truck performance with a powerful 3.0L turbocharged I-6 diesel engine, 4WD, and impressive fuel economy at 22 city and 26 highway MPG. Built for both work and weekend adventures, this SLT trim combines premium features with rugged reliability. - 3.0L Turbocharged I-6 Diesel Engine with 10-Speed Automatic - Premium Bose 7-Speaker Sound System with Apple CarPlay/Android Auto - Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment - Advanced Safety: Automatic Emergency Braking, Lane Keep Assist, Forward Pedestrian Braking - Remote Vehicle Starter with Wireless Apple CarPlay - Navigation System and Wi-Fi Hotspot Capable - Integrated Trailer Brake Controller with Hitch Guidance - Auto-Dimming Mirrors and IntelliBeam Automatic Headlights - Rear Vision Camera with SiriusXM 360L Trial Subscription - 20 Polished Aluminum Wheels with All-Terrain Performance The Sierra 1500 SLT is equipped with comprehensive comfort technology including tri-zone automatic climate control, power windows and door locks, and a heated steering wheel. Safety is paramount with dual front airbags, electronic stability control, traction control, and OnStar emergency communication. The trailering package, integrated brake controller, and hitch guidance make towing straightforward and secure. This truck combines work-ready capability with refined driving experience. Discover why the Sierra 1500 SLT stands out in its class—visit us to take the wheel today. Premier Cadillac Buick GMC of Carlsbad is proud to serve drivers throughout Carlsbad, Oceanside, Encinitas, San Marcos, Vista, Escondido, Rancho Santa Fe, Del Mar, Solana Beach, Cardiff-by-the-Sea, La Costa, Bressi Ranch, Rancho Bernardo, Poway, Fallbrook, Bonsall, Valley Center, Camp Pendleton, Carmel Valley, and all of North County San Diego. Whether you're shopping for a new Cadillac Escalade, LYRIQ, Optiq, XT5, XT6, Buick Envista, Encore GX, Enclave, GMC Sierra 1500, Sierra HD, Yukon, Yukon XL, Hummer EV, Canyon, Acadia, Terrain, or a quality pre-owned vehicle, our experienced team is committed to delivering a transparent, pressure-free buying experience. Sales 760-653-0332
This 2026 GMC Sierra 1500 SLT in gray delivers capable truck performance with a powerful 3.0L turbocharged I-6 diesel engine, 4WD, and impressive fuel economy at 22 city and 26 highway MPG. Built for both work and weekend adventures, this SLT trim combines premium features with rugged reliability. - 3.0L Turbocharged I-6 Diesel Engine with 10-Speed Automatic - Premium Bose 7-Speaker Sound System with Apple CarPlay/Android Auto - Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment - Advanced Safety: Automatic Emergency Braking, Lane Keep Assist, Forward Pedestrian Braking - Remote Vehicle Starter with Wireless Apple CarPlay - Navigation System and Wi-Fi Hotspot Capable - Integrated Trailer Brake Controller with Hitch Guidance - Auto-Dimming Mirrors and IntelliBeam Automatic Headlights - Rear Vision Camera with SiriusXM 360L Trial Subscription - 20 Polished Aluminum Wheels with All-Terrain Performance The Sierra 1500 SLT is equipped with comprehensive comfort technology including tri-zone automatic climate control, power windows and door locks, and a heated steering wheel. Safety is paramount with dual front airbags, electronic stability control, traction control, and OnStar emergency communication. The trailering package, integrated brake controller, and hitch guidance make towing straightforward and secure. This truck combines work-ready capability with refined driving experience. Discover why the Sierra 1500 SLT stands out in its class—visit us to take the wheel today. Premier Cadillac Buick GMC of Carlsbad is proud to serve drivers throughout Carlsbad, Oceanside, Encinitas, San Marcos, Vista, Escondido, Rancho Santa Fe, Del Mar, Solana Beach, Cardiff-by-the-Sea, La Costa, Bressi Ranch, Rancho Bernardo, Poway, Fallbrook, Bonsall, Valley Center, Camp Pendleton, Carmel Valley, and all of North County San Diego. Whether you're shopping for a new Cadillac Escalade, LYRIQ, Optiq, XT5, XT6, Buick Envista, Encore GX, Enclave, GMC Sierra 1500, Sierra HD, Yukon, Yukon XL, Hummer EV, Canyon, Acadia, Terrain, or a quality pre-owned vehicle, our experienced team is committed to delivering a transparent, pressure-free buying experience. Sales 760-653-0332
Good Deal vs nationwide market
Fewer than five local matches were available within 150 miles, so the deal score uses 200 approved listings with the same year, make, model, and trim nationwide.
Good Deal
$4.2K below nationwide median
This unit
$57,135
Local median
$59,280
1 within 150 miles
Nationwide median
$61,287
200 comparable units
Price history
Down $1.8K
Dealer price movement2 recorded prices
This unitNationwide middle 50%
Estimate a Payment
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Estimated payment
$51,635 financed
Estimate only. Excludes taxes, title, registration, dealer fees, add-ons, insurance, and lender requirements. RidesMarket is not a lender.
Truck Specifications
Engine
3.0L Duramax<sup>®</sup> Turbo Diesel engine
Transmission
Automatic
Drivetrain
Four Wheel Drive
Fuel
Diesel Fuel
Exterior
Gray
Interior
Jet Black, Perforated leather-appointed front outboard seat trim
Doors
4
Body Style
Truck
Show 2 More Specifications
MPG City
22
Features & Equipment
Equipment is supplied by the dealer. Confirm installed options on the dealer listing or window sticker.
Safety and driver assistance
Backup Camera
Lane Departure Warning
Lane keep assist
Side-Impact Air Bags
Comfort and convenience
Automatic Climate Control
Keyless Entry
Power Seats
Remote Start
Technology and audio
Android Auto
Apple CarPlay
Bluetooth
Compare Other Years & Trims
Live GMC Sierra 1500 units from approved dealer inventory.
The chart range uses current approved inventory nationwide. Local pricing may differ. Taxes, fees, incentives, vehicle history, and equipment can affect actual value.
