Scion IQ MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Scion IQ model year from 2011 to 2015 — each engine and transmission with its official city, highway and combined figures. Over these years the IQ has been offered with 1.3L 4-cyl, Electric powertrains; the most efficient version is the 2015 (up to 37 MPG combined). Electric versions are shown in MPGe — a different unit, listed separately from gas MPG. All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Scion IQ fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2015 37 MPG 1.3L 4-cyl
2014 37 MPG 1.3L 4-cyl
2013 37 MPG · 121 MPGe Electric, 1.3L 4-cyl
2012 37 MPG 1.3L 4-cyl
2011 36 MPG 1.3L 4-cyl

2015 Scion IQ: engines & MPG

The 2015 IQ was EPA-rated in 1 version (1.3L 4-cyl), with combined economy of 37 MPG.

VersionEngineTransmissionFuelCityHwyCombined
iQ 1.3L 4-cyl Automatic (variable gear ratios) Regular 36 37 37 MPG

2014 Scion IQ: engines & MPG

The 2014 IQ was EPA-rated in 1 version (1.3L 4-cyl), with combined economy of 37 MPG.

VersionEngineTransmissionFuelCityHwyCombined
iQ 1.3L 4-cyl Automatic (variable gear ratios) Regular 36 37 37 MPG

2013 Scion IQ: engines & MPG

The 2013 IQ was EPA-rated in 2 versions (Electric, 1.3L 4-cyl), with combined economy of 37 MPG; electric version rated at 121 MPGe.

VersionEngineTransmissionFuelCityHwyCombined
iQ EV Electric Automatic (variable gear ratios) Electricity 138 105 121 MPGe · 38 mi range
iQ 1.3L 4-cyl Automatic (variable gear ratios) Regular 36 37 37 MPG

2012 Scion IQ: engines & MPG

The 2012 IQ was EPA-rated in 1 version (1.3L 4-cyl), with combined economy of 37 MPG.

VersionEngineTransmissionFuelCityHwyCombined
iQ 1.3L 4-cyl Automatic (variable gear ratios) Regular 36 37 37 MPG

2011 Scion IQ: engines & MPG

The 2011 IQ was EPA-rated in 1 version (1.3L 4-cyl), with combined economy of 36 MPG.

VersionEngineTransmissionFuelCityHwyCombined
iQ 1.3L 4-cyl Automatic (variable gear ratios) Regular 36 37 36 MPG

Frequently asked questions

What MPG does a Scion IQ get?

Depending on year and engine, EPA combined ratings for the IQ range from 36 to 37 MPG. The most efficient rated version is the 2015 model year.

What powertrains does the 2015 Scion IQ have?

The 2015 IQ was EPA-rated with 1.3L 4-cyl powertrains — see the 2015 table above for each version's exact city/highway figures.

Does the Scion IQ require premium gas?

No — rated versions run on regular gasoline.

Is there a hybrid or electric IQ?

Yes — the ratings above include electric (shown in MPGe) versions; look for them in the per-year tables.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of August 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Scion IQ EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/scion/iq.

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See also: Scion IQ hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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