The A7 was introduced at the same time as the C7 A6, essentially the A7 is an A6 sportback, the two cars share the same chassis and most components.The C7.5 facelift made some subtle changes to the A7 styling. The grille features sharper angles on the corners and the the exhaust tips went from a traditional round tip to a flatter angular design. Power options of Stage 1, 2, and Ultracharged tunes are available.