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2019 BMW Z4 M40i
Shown: 2019 BMW Z4 M40i. Photo: Vauxford, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Two-seaters
  • MY2003–2026

BMW Z4 MPG & Fuel Cost by Year

22 model years · 2003–2026

28 MPG
Combined
25 MPG
City
33 MPG
Highway
Annual cost · MY2026 sDrive30i 2.0L 4-cyl turbo RWD
$2,870

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All BMW models

BMW Z4 fuel economy at a glance

EPA has rated the BMW Z4 for 22 model years, 2003 to 2026. Across those years its combined rating runs 17–28 MPG. The latest model year, 2026, has 3 configurations rated 22–28 MPG combined and costing $2,870–$3,730 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2003 is the 2026 sDrive30i 2.0L 4-cyl turbo RWD, at 28 MPG.

BMW Z4 MPG by year

16182022242628 200320062009201220192026 Gas 16182022242628 2003200920192026 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
BMW Z4: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2019-2026 Generation page
2026 22–28 $2,870–$3,730
2025 22–28 $2,870–$3,730
2024 26–28 $2,870–$3,100
2023 26–28 $2,870–$3,100
2022 25–28 $2,880–$3,270
2021 25–28 $2,910–$3,160
2020 26–27 $2,950–$3,040
2019 28 $2,910
2012-2016 Generation page
2016 19–26 $3,070–$4,120
2015 19–26 $3,070–$4,120
2014 19–26 $3,080–$4,120
2013 19–26 $3,080–$4,150
2012 19–27 $3,010–$4,150
2009-2011 Generation page
2011 19–22 $3,680–$4,160
2010 20–22 $3,650–$4,020
2009 20–22 $3,650–$4,020
2006-2008 Generation page
2008 18–22 $3,650–$4,460
2007 17–22 $3,650–$4,730
2006 17–21 $3,830–$4,730
2003-2005 Generation page
2005 20–21 $3,830–$4,020
2004 20–21 $3,830–$4,020
2003 20–21 $3,830–$4,020

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.

BMW Z4 generations

5 generations between 2003 and 2026. Open one for the table of every model year and configuration.

2026 powertrain options

Gas · 2.0L, 3.0L
Combined
22–28 MPG
Per year
$2,870–$3,730
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the BMW Z4's gas mileage by year?

EPA combined ratings for the BMW Z4 run 17–28 MPG across model years 2003 to 2026. The latest year, 2026, is rated 22–28 MPG.

Which BMW Z4 model year has the best gas mileage?

The 2026 BMW Z4 sDrive30i 2.0L 4-cyl turbo RWD has the highest combined rating since 2003, at 28 MPG.

How much does a BMW Z4 cost to fuel per year?

For MY2026, EPA-rated configurations cost $2,870–$3,730 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,870.

Has the BMW Z4's fuel economy improved over time?

Yes. The most efficient configuration moved from 21 MPG in 2003 to 28 MPG in 2026, 7 MPG more.

Which BMW Z4 model years have the same ratings?

EPA lists identical ratings as the previous year for 2024. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the BMW Z4 are there?

EPA data covers 5 generations of the BMW Z4: 2019-2026, 2012-2016, 2009-2011, 2006-2008, 2003-2005. Each has its own page with a table for every model year.