It is a gas hog. It will get around 12 mpg city and 16 mpg highway if you drive easy.
The 2014 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2013 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2015 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2012 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2011 Chevrolet Tahoe runs on flex-fuel (unleaded/E85).
The 2010 Chevrolet Tahoe runs on flex-fuel (unleaded/E85).
The 2010 Chevrolet Tahoe-Hybrid runs on flex-fuel (unleaded/E85).
The 2006 Chevrolet Tahoe runs on regular unleaded.
The 2004 Chevrolet Tahoe runs on regular unleaded.
The 2001 Chevrolet Tahoe runs on regular unleaded.
The 2003 Chevrolet Tahoe runs on regular unleaded.
The 2002 Chevrolet Tahoe runs on regular unleaded.