H4.mpg

: This 2.5L H4 model typically achieves an estimated 20 City / 26 Highway MPG .

The search result for "h4.mpg" typically refers to the fuel economy performance of engines, common in models like the Impreza, Forester, and Outback. Depending on the model year, these engines are generally reviewed for their balance of standard All-Wheel Drive (AWD) capability against moderate fuel efficiency. Fuel Economy Overview

: The performance-tuned turbocharged H4 variant sees a drop in efficiency, reaching approximately 18 City / 25 Highway MPG . Community Experience & Reliability