Lexus IS 300 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Lexus IS 300 model year from 2001 to 2025 — each engine and transmission with its official city, highway and combined figures. Over these years the IS 300 has been offered with 2.0L 4-cyl, 3.5L 6-cyl, 3.0L 6-cyl engines; the most efficient version is the 2018 (up to 26 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.
Lexus IS 300 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2025 | 22–25 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $42,374 | 21 listings |
| 2024 | 22–25 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $38,153 | 30 listings |
| 2023 | 22–25 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $34,487 | 67 listings |
| 2022 | 22–25 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $31,825 | 28 listings |
| 2021 | 22–25 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $30,446 | 37 listings |
| 2020 | 21–24 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $21,995 | 7 listings |
| 2019 | 21–24 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $23,190 | 74 listings |
| 2018 | 22–26 MPG | 2.0L 4-cyl, 3.5L 6-cyl | $21,948 | 100 listings |
| 2017 | 21 MPG | 3.5L 6-cyl | $21,969 | 30 listings |
| 2016 | 21 MPG | 3.5L 6-cyl | $17,880 | 27 listings |
| 2005 | 18 MPG | 3.0L 6-cyl | — | — |
| 2004 | 18 MPG | 3.0L 6-cyl | — | — |
| 2003 | 18 MPG | 3.0L 6-cyl | — | — |
| 2002 | 18–19 MPG | 3.0L 6-cyl | — | — |
| 2001 | 18 MPG | 3.0L 6-cyl | — | — |
2025 Lexus IS 300: engines & MPG
The 2025 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 22 to 25 MPG. Used 2025 models currently list for a median of $42,374 on VehiSales (21 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 31 | 25 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 22 MPG |
2024 Lexus IS 300: engines & MPG
The 2024 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 22 to 25 MPG. Used 2024 models currently list for a median of $38,153 on VehiSales (30 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 31 | 25 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 22 MPG |
2023 Lexus IS 300: engines & MPG
The 2023 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 22 to 25 MPG. Used 2023 models currently list for a median of $34,487 on VehiSales (67 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 31 | 25 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 22 MPG |
2022 Lexus IS 300: engines & MPG
The 2022 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 22 to 25 MPG. Used 2022 models currently list for a median of $31,825 on VehiSales (28 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 31 | 25 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 22 MPG |
2021 Lexus IS 300: engines & MPG
The 2021 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 22 to 25 MPG. Used 2021 models currently list for a median of $30,446 on VehiSales (37 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 31 | 25 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 22 MPG |
2020 Lexus IS 300: engines & MPG
The 2020 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 21 to 24 MPG. Used 2020 models currently list for a median of $21,995 on VehiSales (7 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 30 | 24 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 18 | 24 | 21 MPG |
2019 Lexus IS 300: engines & MPG
The 2019 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 21 to 24 MPG. Used 2019 models currently list for a median of $23,190 on VehiSales (74 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 21 | 30 | 24 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 21 MPG |
2018 Lexus IS 300: engines & MPG
The 2018 IS 300 was EPA-rated in 2 versions (2.0L 4-cyl, 3.5L 6-cyl), with combined economy from 22 to 26 MPG. Used 2018 models currently list for a median of $21,948 on VehiSales (100 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 2.0L 4-cyl | Automatic (S8) | Premium | 22 | 32 | 26 MPG |
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 22 MPG |
2017 Lexus IS 300: engines & MPG
The 2017 IS 300 was EPA-rated in 1 version (3.5L 6-cyl), with combined economy of 21 MPG. Used 2017 models currently list for a median of $21,969 on VehiSales (30 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 21 MPG |
2016 Lexus IS 300: engines & MPG
The 2016 IS 300 was EPA-rated in 1 version (3.5L 6-cyl), with combined economy of 21 MPG. Used 2016 models currently list for a median of $17,880 on VehiSales (27 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 AWD | 3.5L 6-cyl | Automatic (S6) | Premium | 19 | 26 | 21 MPG |
2005 Lexus IS 300: engines & MPG
The 2005 IS 300 was EPA-rated in 2 versions (3.0L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 3.0L 6-cyl | Automatic (S5) | Premium | 16 | 23 | 18 MPG |
| IS 300 | 3.0L 6-cyl | Manual 5-spd | Premium | 16 | 23 | 18 MPG |
2004 Lexus IS 300: engines & MPG
The 2004 IS 300 was EPA-rated in 2 versions (3.0L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 3.0L 6-cyl | Manual 5-spd | Premium | 16 | 23 | 18 MPG |
| IS 300 | 3.0L 6-cyl | Automatic (S5) | Premium | 16 | 22 | 18 MPG |
2003 Lexus IS 300: engines & MPG
The 2003 IS 300 was EPA-rated in 2 versions (3.0L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 3.0L 6-cyl | Automatic (S5) | Premium | 16 | 22 | 18 MPG |
| IS 300 | 3.0L 6-cyl | Manual 5-spd | Premium | 16 | 23 | 18 MPG |
2002 Lexus IS 300: engines & MPG
The 2002 IS 300 was EPA-rated in 2 versions (3.0L 6-cyl), with combined economy from 18 to 19 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 3.0L 6-cyl | Manual 5-spd | Premium | 16 | 23 | 19 MPG |
| IS 300 | 3.0L 6-cyl | Automatic (S5) | Premium | 16 | 23 | 18 MPG |
2001 Lexus IS 300: engines & MPG
The 2001 IS 300 was EPA-rated in 1 version (3.0L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| IS 300 | 3.0L 6-cyl | Automatic (S5) | Premium | 16 | 21 | 18 MPG |
Frequently asked questions
What MPG does a Lexus IS 300 get?
Depending on year and engine, EPA combined ratings for the IS 300 range from 18 to 26 MPG. The most efficient rated version is the 2018 model year.
What engines does the 2025 Lexus IS 300 have?
The 2025 IS 300 was EPA-rated with 2.0L 4-cyl, 3.5L 6-cyl engines — see the 2025 table above for each version's exact city/highway figures.
Does the Lexus IS 300 require premium gas?
Yes — every EPA-rated gas IS 300 version specifies premium gasoline.
https://vehisales.com/research/fuel-economy/lexus/is-300.
See also: Lexus IS 300 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].