Scion xB MPG & Fuel Economy

The 2015 Scion xB gets up to 24 MPG combined (22 city / 27 highway) in EPA testing.

Latest model year (2015):

The Scion xB gets up to 24 MPG combined (22 city / 27 highway) in the Auto (S4), 4 cyl, 2.4 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Scion xB MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2015Auto (S4), 4 cyl, 2.4 L4 2.4LRegular Gasoline222724
2015Man 5-spd, 4 cyl, 2.4 L4 2.4LRegular Gasoline222724

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Scion xB MPG FAQ

What is the MPG of the Scion xB?

The Scion xB gets up to 24 MPG combined (22 city / 27 highway) in the 2015 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Scion xB trim has the best fuel economy?

The Auto (S4), 4 cyl, 2.4 L trim offers the best combined fuel economy at 24 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

Browse other makes