Welcome to MCMAHONS BEST-ONE TIRE & AUTO CARE Extend the life of your car and tires at McMahon’s Best-One Tire & Auto Care. Were your local, family-owned headquarters for brand name tires and quality automotive service. Since our start in 1969, weve earned a strong reputation with generations of customers throughout Fort Wayne, IN and New Haven, IN. We feature favorite tire brands like MICHELIN®, Bridgestone, and Firestone. For car maintenance and repair, our ASA and ASE-certified technicians know just what to do to keep your vehicle in top condition. Visit your nearest location today.