Coulter INFINITI, the east valley’s premier INFINITI Dealership has proudly joined the Coulter family of auto dealerships. Si ... nce 1923 the Coulter name has stood for quality, value and service for tens of thousands of Arizona luxury car buyers. Coulter INFINITI (formerly Superstition Springs INFINITI) is conveniently located in Mesa, AZ, just 4 miles east of the 101 off highway 60 at the Superstition Springs Blvd. exit. The convenient location is minutes from Ahwatukee, Chandler, Gilbert, Mesa, and Tempe, AZ. read more