Lexus GS MPG & Fuel Economy
The 2020 Lexus GS gets up to 31 MPG combined (29 city / 34 highway) in EPA testing.
Latest model year (2020):
The Lexus GS gets up to 23 MPG combined (20 city / 28 highway) in the Auto (S8), 6 cyl, 3.5 L trim.
Lexus GS MPG — All Years
| Year | Trim | Engine | Fuel | City (MPG) | Hwy (MPG) | Combined (MPG) |
|---|---|---|---|---|---|---|
| 2020 | Auto (S6), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 26 | 21 |
| 2020 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 20 | 28 | 23 |
| 2020 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 27 | 22 |
| 2020 | Auto (S8), 8 cyl, 5.0 L | 8 5.0L | Premium Gasoline | 16 | 24 | 19 |
| 2019 | Auto (S6), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 26 | 21 |
| 2019 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 30 | 24 |
| 2019 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 32 | 26 |
| 2019 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 27 | 22 |
| 2019 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 20 | 28 | 23 |
| 2019 | Auto (S8), 8 cyl, 5.0 L | 8 5.0L | Premium Gasoline | 16 | 24 | 19 |
| 2018 | Auto (AV-S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 29 | 34 | 31 |
| 2018 | Auto (S6), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 26 | 22 |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 30 | 24 |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 32 | 26 |
| 2018 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 20 | 28 | 23 |
| 2018 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 27 | 22 |
| 2018 | Auto (S8), 8 cyl, 5.0 L | 8 5.0L | Premium Gasoline | 16 | 24 | 19 |
| 2017 | Auto (AV-S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 29 | 34 | 31 |
| 2017 | Auto (S6), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 26 | 22 |
| 2017 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 32 | 26 |
| 2017 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 30 | 24 |
| 2017 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 20 | 28 | 23 |
| 2017 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 27 | 22 |
| 2017 | Auto (S8), 8 cyl, 5.0 L | 8 5.0L | Premium Gasoline | 16 | 24 | 19 |
| 2016 | Auto (AV-S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 29 | 34 | 31 |
| 2016 | Auto (S6), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 26 | 22 |
| 2016 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 32 | 26 |
| 2016 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 30 | 24 |
| 2016 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 27 | 22 |
| 2016 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 20 | 28 | 23 |
| 2016 | Auto (S8), 8 cyl, 5.0 L | 8 5.0L | Premium Gasoline | 16 | 24 | 19 |
| 2015 | Auto (AV-S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 29 | 34 | 31 |
| 2015 | Auto (S6), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 26 | 21 |
| 2015 | Auto (S8), 6 cyl, 3.5 L | 6 3.5L | Premium Gasoline | 19 | 29 | 23 |
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 GS MPG FAQ
What is the MPG of the Lexus GS?
The Lexus GS gets up to 31 MPG combined (29 city / 34 highway) in the 2020 model year. Fuel economy varies by engine and trim — see the full table above for details.
Which Lexus GS trim has the best fuel economy?
The Auto (AV-S8), 6 cyl, 3.5 L trim offers the best combined fuel economy at 31 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.