2005 and 2006 E85 GMC Sierra 1500 Series
8 Cylinder
5.3 L
Automatic
Runs on E85 Fuel
E85 is 85% Ethanol and 15% petroleum
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E85 GMC Sierra Pickups 2005 and 2006 E85 GM
General Motors E85 Pickup lines included the 2 and 4 wheel drive Sierra's. These are the 8 Cylinder with automatic transmissions. Gas mileage varies. The c1500 2wd will get around 14 mpg combined city/highway and the K1500 Sierra will average around 12 mpg combined.
It has come to our attention that ONLY those with the letter "Z" as the 8th Character in the VIN is E85 ready ..so check your VIN numbers for verification. The 2006 models should have a yellow gas cap as part of General Motors Live Green Go Yellow Campaign