I WAS BACKING MY 2000 CHEVY BLAZER AND HIT MY 2007 YUKON AT LESS THAN 2 MPH. THERE WAS LITTLE TO NO DAMAGE SUSTAINED TO THE YUKON, BUT THE WHOLE REAR TAILGATE HAD TO BE REPLACED ON THE BLAZER. A WHOLE NEW REAR TAILGATE ASSEMBLY HAD TO BE REPLACED WITH ALL ACCESSORIES. *JB