2025 Audi RS 6 Avant GT channels IMSA GTO history for final swan song

The end of the road looms for the current Audi RS 6 Avant, but not before a grand finale. On Monday, the 2025 Audi RS 6 Avant GT debuted as the swan song for the current fire-breathing wagon that channels the automaker’s IMSA racing legacy. Audi said it will build 660 units globally with production commencing the second quarter, and only 85 of…