Taking the Michelin Green X Challenge GT class honors was the Houston-based Risi Competizione Ferrari 458 Italia
Bruni winds it up late to go fastest in GT for Risi
This will be the last run of an LMP1 car of the brand at the 12-hour classic in Florida. There will also be a farewell event with historic vehicles exhibited. Audi aims for eleventh overall win at Sebring with R18 e-tron quattro.