The new Vantage GT3 shone in qualifying for the 12 Hours of Sebring! Mario Farnbacher put the #23 Heart of Racing machine fifth fastest overall and P2 in the GTD Pro class! The #44 Magnus Racing starts P16 in GTD, one place ahead of Ian James in the #27 Heart of Racing Vantage GT3. #AstonMartin #Vantage #IMSA #sebring12h