Recent Arrival! This NEW 2026 Summit White GMC Sierra 1500 Pro 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp 8-Speed Automatic 4WD is well equipped and includes these features and benefits: At Octane GMC we look forward to helping you revolutionize your entire car-shopping experience. Let our team of automotive experts answer all your questions and work with you toward getting the vehicle and the finance plan of your dreams. Price includes: $1750 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $1750 - Buick GMC Bonus Cash. Exp. 06/30/2026