BMW 135I MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated BMW 135I model year from 2008 to 2013 — each engine and transmission with its official city, highway and combined figures. Over these years the 135I has been offered with 3.0L 6-cyl engines; the most efficient version is the 2013 (up to 23 MPG combined). Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

BMW 135I fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2013 20–23 MPG 3.0L 6-cyl
2012 20–23 MPG 3.0L 6-cyl
2011 20–23 MPG 3.0L 6-cyl
2010 20 MPG 3.0L 6-cyl
2009 20 MPG 3.0L 6-cyl
2008 20–21 MPG 3.0L 6-cyl

2013 BMW 135I: engines & MPG

The 2013 135I was EPA-rated in 4 versions (3.0L 6-cyl), with combined economy from 20 to 23 MPG.

VersionEngineTransmissionFuelCityHwyCombined
135i 3.0L 6-cyl Manual 6-spd Premium 20 28 23 MPG
135i Convertible 3.0L 6-cyl Manual 6-spd Premium 19 27 22 MPG
135i Convertible 3.0L 6-cyl Automatic (AM-S7) Premium 18 25 20 MPG
135i 3.0L 6-cyl Automatic (AM-S7) Premium 18 25 20 MPG

2012 BMW 135I: engines & MPG

The 2012 135I was EPA-rated in 4 versions (3.0L 6-cyl), with combined economy from 20 to 23 MPG.

VersionEngineTransmissionFuelCityHwyCombined
135i 3.0L 6-cyl Manual 6-spd Premium 20 28 23 MPG
135i Convertible 3.0L 6-cyl Manual 6-spd Premium 19 27 22 MPG
135i Convertible 3.0L 6-cyl Automatic (S7) Premium 18 25 20 MPG
135i 3.0L 6-cyl Automatic (S7) Premium 18 25 20 MPG

2011 BMW 135I: engines & MPG

The 2011 135I was EPA-rated in 4 versions (3.0L 6-cyl), with combined economy from 20 to 23 MPG.

VersionEngineTransmissionFuelCityHwyCombined
135i 3.0L 6-cyl Manual 6-spd Premium 20 28 23 MPG
135i Convertible 3.0L 6-cyl Manual 6-spd Premium 19 28 22 MPG
135i 3.0L 6-cyl Automatic (S7) Premium 18 25 20 MPG
135i Convertible 3.0L 6-cyl Automatic (S7) Premium 18 25 20 MPG

2010 BMW 135I: engines & MPG

The 2010 135I was EPA-rated in 4 versions (3.0L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
135i Convertible 3.0L 6-cyl Manual 6-spd Premium 17 26 20 MPG
135i Convertible 3.0L 6-cyl Automatic (S6) Premium 17 26 20 MPG
135i 3.0L 6-cyl Manual 6-spd Premium 18 25 20 MPG
135i 3.0L 6-cyl Automatic (S6) Premium 18 25 20 MPG

2009 BMW 135I: engines & MPG

The 2009 135I was EPA-rated in 4 versions (3.0L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
135i 3.0L 6-cyl Manual 6-spd Premium 17 25 20 MPG
135i Convertible 3.0L 6-cyl Automatic (S6) Premium 17 26 20 MPG
135i Convertible 3.0L 6-cyl Manual 6-spd Premium 17 26 20 MPG
135i 3.0L 6-cyl Automatic (S6) Premium 18 25 20 MPG

2008 BMW 135I: engines & MPG

The 2008 135I was EPA-rated in 4 versions (3.0L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
135i 3.0L 6-cyl Automatic (S6) Premium 18 26 21 MPG
135i Convertible 3.0L 6-cyl Manual 6-spd Premium 17 26 20 MPG
135i Convertible 3.0L 6-cyl Automatic (S6) Premium 17 26 20 MPG
135i 3.0L 6-cyl Manual 6-spd Premium 17 25 20 MPG

Frequently asked questions

What MPG does a BMW 135I get?

Depending on year and engine, EPA combined ratings for the 135I range from 20 to 23 MPG. The most efficient rated version is the 2013 model year.

What engines does the 2013 BMW 135I have?

The 2013 135I was EPA-rated with 3.0L 6-cyl engines — see the 2013 table above for each version's exact city/highway figures.

Does the BMW 135I require premium gas?

Yes — every EPA-rated gas 135I version specifies premium gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, BMW 135I EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/bmw/135i.

See also: BMW 135I hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

© 2026 VehiSales · Data from live US vehicle listings · Methodology · Editorial policy · About · Press: cite as “VehiSales Used Car Price Index” with a link to this page.