Get detailed information on the best Infiniti gas mileage cars with over 20 MPG online and do side-by-side comparisons to help you with your used car buying. Research used Infiniti 20 - 30 MPG and fuel efficient pre owned cars with high MPG including EPA fuel economy ratings, miles per gallon, car prices, reviews, cost of ownership, safety, recalls, standard features, options, warranty, fuel economy, specifications, and more on any 20 - 30 MPG Infiniti used car models. Click on the links below to find the right vehicle for you!
