Momentum Audi is now Audi Central Houston opening the largest Audi dealership in the United States — an impressive 142,000-square-foot store in Houston. It stands at a proud 7-stories at 2120 Southwest Fwy. Located right off of Southwest Freeway at the corner of Greenbriar. This state-of-the-art facility features a 2-story car display case on the corner of the third and fourth levels, two customer waiting areas with quattro cafe’s and much more!