Sierra Nissan and INFINITI of Monrovia is the FASTEST GROWING Nissan and INFINITI location in Southern California. Visit us online at www.sierrainfiniti.com. Recent Arrival! Diamond 2026 Nissan Leaf Electric FWD Sierra Automotive Group is here for all your automotive needs for our valued customers in Bradbury, El Monte, West Covina, Alhambra, Pasadena, and surrounding areas in California. Conveniently located in the scenic foothills of the Los Angeles Forest, Sierra Nissan of Duarte is your local dealership with a welcoming, hometown atmosphere. Although were part of a larger dealer network that continuously evolves to meet our customers needs, we maintain a personal touch. Visit us today to shop a great selection of new vehicles and get a generous offer for your used car or truck, even if you don't buy one of ours.