JimVanExplorerJan 17, 2016New Silverado 1500Can I expect my gas mileage to improve after break in? on my new Silverado 1500
JimVanExplorerJan 17, 20161500 crew cab 4x4 with the 5.3l V-8 just got it less than 20 milesshowing about 8 MPG
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