About Maxx Autos Plus Maxx Autos Plus is a family-owned and operated dealership in Puyallup, Washington, that has been serving local communities since 2012. We're known for our pressure-free, family-friendly environment where it's easy to handle an automotive need, whether that be purchasing one of our used cars for sale, trading in your ride or securing a vehicle loan. With business hours seven days a week and a convenient location near Federal Way, WA, it's no wonder we're the go-to dealership for drivers in the area. Feel free to explore all of the resources we've made available online before visiting us for the customized used car purchase process that you deserve.