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Worldwide involvement in Global Technical Regulation (GTR) discussion shows the increasing importance of pedestrian safety as a global concern. Vehicle front styling plays an important role in vehicle to pedestrian impact. Front styling can change the pedestrian kinematics and injury levels during an impact. Key elements of bumper front are Fascia, Upper & Lower Grille, Hood, spoiler or undertray, bumper beam and height of these components from ground level, determine the vehicle aggressiveness for pedestrian safety. This paper presents an approach to diagnose the vehicle front aggressiveness for pedestrian leg impact. Eight different vehicle bumper front configurations from ‘minis’ to ‘sedans’ are studied for lower leg impact cases, to understand the bumper stiffness profile (stiffness in upper, middle and lower load path).