While Subaru vehicles are generally considered reliable, the user experience with the boxer engine isn't always smooth.

You know it when you hear it: the grumbly, all-too-unmistakable sound of an approaching Subaru and its characteristic flat-four-cylinder engine. Since the mid-1960s, the boxer engine has been a ...

View post: These Are the Best Cars for Families in 2026 According to Experts Boxer engines feature flat, opposing pistons that move in opposite directions for smooth operation. Subaru and Porsche are ...

Find out what the most and least troublesome Subaru Outback model years are.

This underrated boxer is proving to be a longevity icon.