The Armada's V8 also has the flexibility to run on E85, a mix of gasoline and up to 85% ethanol. And with a 28-gallon fuel tank, the Armada has one of the longest cruising ranges among full-size SUVs.

Armada's V8 also has the flexibility to run on E85, to accept a mix of gasoline and ethanol up to 85 percent ethanol. And with a 28-gallon fuel tank, the Armada has one of the longest cruising ranges ...