2006-2012 Mitsubishi Eclipse MPG & Fuel Cost

EPA rates the 2006-2012 Mitsubishi Eclipse at 18–23 MPG combined across 44 configurations and 7 model years. The most efficient version, the 2012 Eclipse 2.4L 4-cyl FWD, is rated 23 MPG (20 city, 28 highway).

Every model year of the 2006-2012 Mitsubishi Eclipse tops out at 23 MPG combined, so no year is better than another.

Yes. Ratings changed in 2007, 2008, 2009, 2010, 2011 and 2012.

The previous generation (2000-2005 Mitsubishi Eclipse) is rated 19–24 MPG combined and costs $2,720–$4,230 a year to fuel; the 2006-2012 model is rated 18–23 MPG and costs $2,830–$4,460 a year.

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Eclipse 2.4L 4-cyl FWD costs about $2,840 a year. Across all 5 configurations the cost runs $2,840–$4,250 a year. That is a $1,410 difference between the cheapest and the costliest configuration.

About $18.93 per 100 miles for the Eclipse 2.4L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $18.93 and $28.33 across all configurations. That is the annual cost over 15,000 miles divided by 150.

The Eclipse 2.4L 4-cyl FWD is rated 20 city and 28 highway MPG, so it is more efficient on the highway, by 8 MPG.

The Eclipse 2.4L 4-cyl FWD costs about $2,840 a year to fuel, $400 less than the class median of $3,240, and less than 6 of 10 small car configurations. The comparison covers all 375 rated small car configurations for MY2012, not weighted by sales.

The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,830 to $2,840, $10 more. EPA lists 5 configurations for 2012 against 5 configurations for 2011. See the 2011 Mitsubishi Eclipse for that year.