AutoSpecData

Lexus IS MPG & Fuel Economy

The 2026 Lexus IS gets up to 26 MPG combined (22 city / 32 highway) in EPA testing.

Latest model year (2026):

The Lexus IS gets up to 22 MPG combined (19 city / 26 highway) in the Auto (S6), 6 cyl, 3.5 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenanceDimensions

Lexus IS MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2026Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2026Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline192722
2025Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2025Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2025Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213125
2025Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2025Auto (S8), 8 cyl, 5.0 L8 5.0LPremium Gasoline172520
2024Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2024Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2024Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213125
2024Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2024Auto (S8), 8 cyl, 5.0 L8 5.0LPremium Gasoline172520
2023Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2023Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2023Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213125
2023Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2023Auto (S8), 8 cyl, 5.0 L8 5.0LPremium Gasoline172520
2022Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2022Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2022Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213125
2022Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2022Auto (S8), 8 cyl, 5.0 L8 5.0LPremium Gasoline172520
2021Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2021Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2021Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213125
2021Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2020Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline182421
2020Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2020Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213024
2020Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2019Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2019Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2019Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline213024
2019Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2018Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2018Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192622
2018Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223226
2018Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline202823
2017Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2017Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2017Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223226
2017Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline192822
2016Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2016Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2016Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223226
2016Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline192822
2015Auto (S6), 6 cyl, 2.5 L6 2.5LPremium Gasoline202723
2015Auto (S6), 6 cyl, 2.5 L6 2.5LPremium Gasoline213024
2015Auto (S6), 6 cyl, 2.5 L6 2.5LPremium Gasoline213024
2015Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192621
2015Auto (S6), 6 cyl, 3.5 L6 3.5LPremium Gasoline192722
2015Auto (S8), 6 cyl, 3.5 L6 3.5LPremium Gasoline192822

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.

Lexus IS MPG FAQ

What is the MPG of the Lexus IS?

The Lexus IS gets up to 26 MPG combined (22 city / 32 highway) in the 2026 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Lexus IS trim has the best fuel economy?

The Auto (S8), 4 cyl, 2.0 L trim offers the best combined fuel economy at 26 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

All Lexus IS specifications

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