Experience The Diamond Difference. If you're looking for a vehicle that delivers on performance, utility, comfort, or value, this 2015 GMC Sierra 2500HD SLE may be just the ticket... Vehicle Highlights: SLE DecorPower Windows with Driver Express Up and DownRear 60/40 Folding Bench Seat (folds Up)Deep-Tinted GlassRemote Keyless EntryFront 40/20/40 Reclining Split-Bench SeatRear Wheelhouse LinersColor-Keyed Carpeting Floor CoveringBody Color Bodyside MoldingsBody-Color Door HandlesDriver and Front Passenger VisorsBody-Color Power-Adjustable Heated Outside MirrorsBody-Color Mirror CapsHigh-Capacity Air CleanerLeather-Wrapped Steering WheelElectronic Shift Transfer CaseEZ-Lift and Lower TailgateCloth Seat TrimSingle Slot CD/MP3 Player4.2" Diagonal Color Display Driver Info CenterOnStar 6 Months Directions/Connections PlanLED Cargo Box LightingSteering Wheel Audio ControlsRear Vision Camera with Dynamic Guide LinesOnStar 4G LTE Wi-Fi HotspotHeavy-Duty Trailering Equipment Convenience Cruise control with steering wheel mounted controls. Set it and forget it. Road trips used to be stressful, until cruise control set the pace. Simply set the desired speed using the steering wheel mounted controls and it will maintain that speed without driver intervention. This can help minimize driver fatigue and improve overall fuel economy. Resting your right foot is right at your fingertips thanks to cruise control with steering wheel mounted controls.Safety and Security Rear camera - Watching your back! The rear camera helps you see obstacles and hazards you otherwise couldn't by showing enhanced images of what is behind you. The rear camera is an extra set of eyes that's both convenient and safe. Brake assist - Stop right there. Something jumps out into the middle of the road and you need to stop now! With brake assist, you will. It uses the speed of the brake pedals travel to sense panic braking, then applies all available power to boost your stopping power. Brake assist can stop the accident before it is one.Technology and Telematics Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicles private mobile hotspot and take the internet wherever your journey takes you, without eating up your data allowance. Find the hotspot with mobile hotspot. Voice activated integrated navigation system - A to B made easy! Whether it's an errand or a road trip, the voice activated integrated navigation system will guide you to your destination. No more bulky, impossible-to-fold maps, and no more stopping to ask for directions. Just tell it where you want to go, and the voice activated integrated navigation system shows you the right way.Convenience Cruise control with steering wheel mounted controls. Set it and forget it. Road trips used to be stressful, until cruise control set the pace. Simply set the desired speed using the steering wheel mounted controls and it will maintain that speed without driver intervention. This can help minimize driver fatigue and improve overall fuel economy. Resting your right foot is right at your fingertips thanks to cruise control with steering wheel mounted controls.In-car Entertainment Touchscreen - flat out convenient. Say goodbye to the twists and turns of your daily drive...were talking about buttons and knobs of course! Touchscreen allows you to control certain features with your fingertips, making it easy to use while also providing information at a glance. With touchscreen, your fingerprints will be all over your drive.Powertrain and Mechanical 4-wheel drive - All four safety. In wet or slippery conditions the more grip your wheels can maintain, the safer your drive. 4-wheel drive delivers power to all four wheels providing excellent traction in adverse weather and road conditions. Get a firm grip on the road and added peace of mind in poor weather conditions with 4-wheel drive.Safety and Security Rear camera - Watching your back! The rear camera helps you see obstacles and hazards yo