The 2023 GMC Yukon XL Denali Ultimate in White Frost with Alpine Umber interior delivers full-size SUV luxury, proven V8 performance, and extended-length 4WD capability for drivers who want serious passenger room, premium comfort, and road-commanding presence without compromise. Powered by an EcoTec3 6.2L V8 engine and paired with a 10-speed automatic transmission with Overdrive, this Yukon XL Denali Ultimate offers strong acceleration, confident highway manners, and the kind of full-size capability that makes family travel, towing, and long-distance driving feel effortless. With 104,930 miles, this Yukon XL still brings upscale appeal, bold styling, and the kind of premium utility that makes smaller SUVs wave the white flag early.Entertainment and Connectivity Features Large touchscreen infotainment display Apple CarPlay integration Android Auto integration Bluetooth hands-free connectivity Built-in navigation capability Premium audio system Rear entertainment capability USB charging and media ports Steering wheel mounted audio and phone controls Voice recognition capabilityAdded Features Denali Ultimate premium trim package White Frost exterior Alpine Umber interior Four-wheel drive capability EcoTec3 6.2L V8 performance Extended-length Yukon XL versatility Spacious three-row seating configuration Premium leather-appointed seating Power-adjustable front seats with memory settings Strong family, travel, and towing appealSafety Features Forward Collision Alert Automatic Emergency Braking Lane Keep Assist with Lane Departure Warning Following Distance Indicator Blind Zone Alert capability Rear Cross Traffic Alert capability HD Surround Vision capability Front and rear park assist Electronic Stability Control Anti-lock braking systemStandard Features LED headlamps and LED daytime running lights Premium alloy wheels Tri-zone automatic climate control Power windows and door locks Push-button start Spacious three-row SUV interior Split-folding rear seats for expanded cargo versatility Tilt and telescoping steering wheel Rear air vents for added passenger comfort Denali Ultimate-specific upscale styling accentsMechanical Features EcoTec3 6.2L V8 engine 10-speed automatic transmission with Overdrive Four-wheel drive Independent suspension system Four-wheel disc brakes Electric power steering Smooth V8 power delivery Strong towing and hauling capability Built for family travel, cargo room, and full-size SUV utility Confident long-wheelbase road mannersWhy drivers choose Port Lavaca Auto Group for their next vehicle Trusted dealership serving Texas drivers with transparent, pressure-free buying experiences Large selection of quality SUVs, trucks, and cars ready for immediate delivery Knowledgeable product specialists who help match drivers with the right vehicle Flexible financing options for a wide range of buyers Ongoing customer support and service after the sale Strong reputation backed by consistent five-star Google reviewsCustomer Review HighlightWe shopped around quite a bit before buying, and Port Lavaca Auto Group stood out right away. They were professional, easy to talk to, and made sure everything was clear from start to finish. Heather W., March 2026From its proven 6.2L V8 power and 4WD capability to its Denali Ultimate luxury and extended Yukon XL space, the 2023 GMC Yukon XL Denali Ultimate is built for drivers who want premium full-size SUV comfort, serious family-hauling room, and the confidence to travel, tow, and handle daily life without compromise.