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The F-Super Duty’s standard power windows allow the driver or passenger to lower and raise the windows without leaning over or being distracted. Power windows cost extra on the Sierra HD.
The F-Super Duty’s front power windows open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Sierra HD’s basic optional power windows’ front passenger window doesn’t close automatically.
The F-Super Duty’s standard power locks allow the driver or passenger to lock or unlock all the doors at a touch without leaning over. Power locks cost extra on the Sierra HD.
In case you lock your keys in your vehicle, or don’t have them with you, you can let yourself in using the F-Super Duty’s available exterior PIN entry system. The Sierra HD doesn’t offer an exterior PIN entry system, and its extra cost OnStar® can’t unlock the doors if the vehicle doesn’t have cell phone reception or the driver can’t contact the service.
The F-Super Duty’s standard speed-sensitive wipers speed up when the vehicle does, so that the driver doesn’t have to continually adjust the speed of the wipers. The Sierra HD’s manually variable intermittent wipers have to be constantly adjusted. The F-Super Duty Lariat/King Ranch/Platinum/Limited’s standard wipers adjust their speed and turn on and off automatically according to the amount of rainfall on the windshield.
To help drivers avoid possible obstacles, the F-Super Duty has standard cornering lights to illuminate around corners when the turn signals are activated. The Sierra HD doesn’t offer cornering lights. The F-Super Duty also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.
The F-Super Duty has standard power remote mirrors. The Sierra HD only comes with remote mirrors at extra cost. Without them the driver will have to roll down the windows and reach across the car to adjust the mirrors.
The F-Super Duty’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. GMC charges extra for heated mirrors on the Sierra HD.
The F-Super Duty Platinum/Limited has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Sierra HD.
To keep a safe, consistent following distance, the F-Super Duty (except XL/XLT) offers an optional Adaptive Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Sierra HD doesn’t offer an adaptive cruise control.