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Welcome to Auto Union

Auto Union Tuning is a complete dealer alternative where we diagnose, repair and service your VW, Audi, Porsche, Bentley, Lamborghini, Ferrari, Maserati, and Tesla. We Proudly service the Placentia, Anaheim Hills, Yorba Linda, Chino Hills, Diamond Bar, Fullerton, Corona, Brea, La Habra, La Mirada, Orange, Irvine, Tustin, Huntington Beach, Westminster, Garden Grove, Seal Beach, Long Beach, Fountain Valley, Costa Mesa, Newport Beach, and Santa Ana areas. Along with the experience, training, and vast knowledge acquired through the manufacturer, our technicians are true car enthusiasts that use the latest tools, diagnostic equipment, and same procedures used by the dealership. Using only genuine and the highest quality O.E.M. parts, there is no job too big or small. We also stock and sell many parts over the counter for the DIY enthusiast.

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Established in 2011.

Owners’ Raz and Dave were both trained at the Audi Academy in 2006 and have been working in the industry for years prior to that. Our staff consists solely of automotive enthusiasts who are factory trained technicians with decades of dealership experience. All of our staff owns, drives and modifies the cars that we work on, day in and day out. Not only can we repair your car, but we have the tools, knowledge and experience to make it better than the day it was sold new.

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1125 Las Brisas Pl, Placentia, CA 92870, USA


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