Lexus IS 350 Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2025
23 MPG combined
Latest Model
2026
22 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Premium | 19 | 27 | 22 | $3,700 | Details → |
| 2025 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2024 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2023 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2022 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2021 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2020 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2019 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2018 | Premium | 20 | 28 | 23 | $3,550 | Details → |
| 2017 | Premium | 19 | 28 | 22 | $3,700 | Details → |
| 2016 | Premium | 19 | 28 | 22 | $3,700 | Details → |
| 2015 | Premium | 19 | 28 | 22 | $3,700 | Details → |
| 2014 | Premium | 19 | 28 | 22 | $3,700 | Details → |
| 2009 | Premium | 18 | 25 | 20 | $4,100 | Details → |
| 2008 | Premium | 18 | 25 | 20 | $4,100 | Details → |
| 2007 | Premium | 19 | 25 | 21 | $3,900 | Details → |
| 2006 | Premium | 19 | 26 | 21 | $3,900 | Details → |