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2010 Scion xB Release Series 7.0 (E150)
Shown: 2010 Scion xB Release Series 7.0 (E150). Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Wagons
  • MY2004–2015

Scion xB MPG & Fuel Cost by Year

11 model years · 2004–2015

24 MPG
Combined
22 MPG
City
27 MPG
Highway
Annual cost · MY2015 xB 2.4L 4-cyl FWD
$2,730

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All Scion models

Scion xB fuel economy at a glance

EPA has rated the Scion xB for 11 model years, 2004 to 2015. Across those years its combined rating runs 24–29 MPG. The latest model year, 2015, has 2 configurations rated 24 MPG combined and costing $2,730–$2,740 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2004 is the 2005 xB 1.5L 4-cyl FWD, at 29 MPG.

Scion xB MPG by year

24262830 200420082015 Gas 24262830 200420082015 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Scion xB: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2008-2015 (E150) Generation page
2015 24 $2,730–$2,740
2014 24 $2,730–$2,740
2013 24 $2,730–$2,740
2012 24 $2,730–$2,740
2011 24 $2,730–$2,740
2010 24 $2,720
2009 24 $2,720
2008 24 $2,720
2004-2006 (XP30) Generation page
2006 28 $2,330
2005 28–29 $2,250–$2,330
2004 28–29 $2,250–$2,330

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Scion xB generations

2 generations between 2004 and 2015. Open one for the table of every model year and configuration.

2015 powertrain options

Gas · 2.4L
Combined
24 MPG
Per year
$2,730–$2,740
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Scion xB's gas mileage by year?

EPA combined ratings for the Scion xB run 24–29 MPG across model years 2004 to 2015. The latest year, 2015, is rated 24 MPG.

Which Scion xB model year has the best gas mileage?

The 2005 Scion xB xB 1.5L 4-cyl FWD has the highest combined rating since 2004, at 29 MPG.

How much does a Scion xB cost to fuel per year?

For MY2015, EPA-rated configurations cost $2,730–$2,740 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,730.

Has the Scion xB's fuel economy improved over time?

No. The most efficient configuration moved from 29 MPG in 2004 to 24 MPG in 2015, 5 MPG less.

Which Scion xB model years have the same ratings?

EPA lists identical ratings as the previous year for 2009, 2010, 2012, 2015. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the Scion xB are there?

EPA data covers 2 generations of the Scion xB: 2008-2015, 2004-2006. Each has its own page with a table for every model year.