E85 FlexFuel Engine

E85 FlexFuel Engine


There's a lot to be said for doing the right thing. We understand that. The E85 FlexFuel Vortec 5.3L V8 engine that's standard in 4x4 models and available in Tahoe 2WD operates on either regular unleaded gasoline or E85 — a blend of 85% ethanol and 15% gasoline — or a combination of both.

close window