Lexus · Midsize cars · Gasoline
Lexus LS: MPG and annual fuel cost, 2026
Rated at 21 MPG combined for 2026, the Lexus LS is 28th of 31 midsize cars, in the bottom quarter.
- 21MPG combined28th of 31 in class
- $3,900a year in fuel28th of 31 in class
- 434g/mile CO2
Where it stands
Compared only with the gasoline models of its class it is 14th of 14 gasoline midsize cars, in the bottom quarter. The median of that narrower group is 27 MPG, against 30 MPG for all midsize cars together.
Among all gasoline models of the year, regardless of size, it is tied for 117th of 180 gasoline models, in the lower half.
Within the 16 Lexus models rated for 2026 it is 12th on combined rating; the median of the make's line-up is 24.5 MPG.
In its class, just ahead of it is the Subaru WRX at 22 MPG and just behind it is the Bentley Flying Spur Plug-in hybrid at 19 MPG.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with premium gasoline at $5.48 per gallon, the annual fuel bill of the most efficient version is about $3,900. That is $1,400 more than the midsize cars median of $2,500.
It emits 434 g of CO2 per mile from the tailpipe; the midsize cars median is 269, a difference of 165 g/mile.
Rated versions
Its city rating is 17 and its highway rating 27: the highway figure is 10 higher. The data lists one version for 2026: LS 500 AWD: 3.4 L, 6 cyl, Automatic (S10), AWD.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| LS 500 AWD: 3.4 L, 6 cyl, Automatic (S10), AWD | 21 | 17 | 27 | $3,900 | 434 |
Year by year
The Lexus LS is in the data for 8 of the 8 model years from 2019 to 2026. Between 2019 and 2026 the best combined rating fell by 2 MPG, from 23 to 21. The number of rated versions shrank from 2 to 1. Fuel cost for the best version is $3,900 in the latest data against $3,550 in 2019, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2026 | 1 | 21 | 21 | $3,900 | 434 | 30 |
| 2025 | 2 | 22 | 21 | $3,750 | 404 | 29 |
| 2024 | 2 | 22 | 21 | $3,750 | 404 | 30 |
| 2023 | 2 | 22 | 21 | $3,750 | 405 | 28 |
| 2022 | 2 | 22 | 21 | $3,750 | 404 | 28 |
| 2021 | 2 | 22 | 21 | $3,750 | 399 | 28.5 |
| 2020 | 2 | 23 | 21 | $3,550 | 389 | 28 |
| 2019 | 2 | 23 | 21 | $3,550 | 388 | 29 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Subaru WRX | Gasoline | 22 | $3,750 | 2026 |
| Audi S5 | Gasoline | 23 | $3,550 | 2026 |
| Bentley Flying Spur Plug-in hybrid | Plug-in hybrid | 19 | $4,350 | 2026 |
| Mercedes-Benz E-Class Plug-in hybrid | Plug-in hybrid | 24 | $3,400 | 2026 |
| BMW 5 Series Plug-in hybrid | Plug-in hybrid | 25 | $3,300 | 2026 |
Compare and rank
Rankings: Midsize cars, Gasoline, Lexus, Gasoline midsize cars.
Data: US EPA and DOE, as prepared in methods and data.