This GMC Yukon XL Has Many Features and is well equipped Including, 4WD. This 2027 GMC Yukon XL AT4 Ultimate in Onyx Black features: 2027 GMC Yukon XL AT4 Ultimate 4WD 3.0L I6All prices plus sales tax and tag. A Better Way To Buy.BACK-UP CAMERA, 4X4, LEATHER, HEATED REAR SEATS, HEATED FRONT SEATS, COOLED FRONT SEATS, HEATED STEERING WHEEL, NAVIGATION, LANE DEPARTURE WARNING, BLUETOOTH®, MOONROOF, REAR PARKING AID, MP3 Player, BLIND SPOT MONITORING, CHILD LOCKS, 3RD ROW SEAT, KEYLESS ENTRY, SAT RADIO, 20 WHEELS, RUNNING BOARDS, POWER LIFTGATE, ALLOY WHEELS.