Lexus IS 300 Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2018
26 MPG combined
Latest Model
2025
25 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2025 | Premium | 21 | 31 | 25 | $3,250 | Details → |
| 2024 | Premium | 21 | 31 | 25 | $3,250 | Details → |
| 2023 | Premium | 21 | 31 | 25 | $3,250 | Details → |
| 2022 | Premium | 21 | 31 | 25 | $3,250 | Details → |
| 2021 | Premium | 21 | 31 | 25 | $3,250 | Details → |
| 2020 | Premium | 21 | 30 | 24 | $3,400 | Details → |
| 2019 | Premium | 21 | 30 | 24 | $3,400 | Details → |
| 2018 | Premium | 22 | 32 | 26 | $3,150 | Details → |
| 2005 | Premium | 16 | 23 | 18 | $4,550 | Details → |
| 2004 | Premium | 16 | 23 | 18 | $4,550 | Details → |
| 2003 | Premium | 16 | 22 | 18 | $4,550 | Details → |
| 2002 | Premium | 16 | 23 | 19 | $4,300 | Details → |
| 2001 | Premium | 16 | 21 | 18 | $4,550 | Details → |