The Denali Ultimate treatment bundles a few exclusive features and options and adds them to the already nice Acadia Denali.

GMC ’s most luxurious trim, the Denali Ultimate, has made its way to the midsize Acadia SUV for 2026, and like other models that wear the badge, it’s equipped with numerous premium enhancements and ...

Nothing changes with the powertrain. All 2026 GMC Acadias get a turbocharged 2.5-liter inline-4 making 328 horsepower and 326 ...