I have a 2007 Chevrolet Avalanche. (pictures coming soon).
it has the 5.7l V8 FlexFuel engine.
Mileage numbers are not in but are expected to be dismal. My loved one reports about 400 miles/30 gallon tankful.
It does have larger than stock tires so that may be skewing the numbers downwards.
I used to have a Cavalier 3 door. No problems reported with that car or engine. Driver is another matter.
It got fair to middlin mileage. If memory serves, it got about 19 city and 32 highway.
I expect reliability in my Avalanche or be about the same, if not the mileage.
Brian
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