Depending on alot of stuff ,how good the engine is , how fast you drive,what tires you have,etc,etc.You can expect anywhere from 12 to 16 MPG on my truck 52 3100 with 235 power glide engine all else is stock 3 speed trans,stock rear end and 215/85/16 tires,I get around 14 MPG to 16 MPG.
Pete
