The luxurious Denali is powered by a 255-horsepower 5.7L V8 with 4-spd auto, automatic full-time 4-wheel drive, limited slip differential, ABS and 16" chrome aluminum wheels. Standard features include heated power front seats, heated 60/40 rear bench seat, leather trim, front and rear air conditioning, Bose® Acoustimass audio with 6-disc CD changer, On Star communications system, garage door opener, auto-dimming rear view mirror and heated/auto-dimming outside mirrors.