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2018 Lexus LS 500 (XF50)
Shown: 2018 Lexus LS 500 (XF50). Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2026
  • Gas
  • Midsize cars

2018-2026 Lexus LS MPG & Fuel Cost

9 model years · 21–28 MPG combined

21 MPG
Combined
17 MPG
City
27 MPG
Highway
Annual fuel cost · 500 3.4L 6-cyl turbo AWD
$3,840

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

Among the costliest midsize car configurations to fuel, MY2026. Ranked against all rated configurations, not sales-weighted.

2018-2026 Lexus LS at a glance

The 2018-2026 Lexus LS covers 9 model years in the EPA database (31 configurations in all), rated 21–28 MPG combined. The newest model year, 2026, costs about $3,840 a year to fuel for its most efficient version, the 500 3.4L 6-cyl turbo AWD (21 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas and hybrid. EPA changed the ratings in 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026. The best combined rating in the generation, 28 MPG, was reached in 2018, 2019, 2020 and 2021.

2018-2026 Lexus LS by model year

2018-2026 Lexus LS: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2026 Gas 21 MPG $3,840 Ratings changed
2025 Gas, Hybrid 21–25 MPG $3,230–$3,800 Ratings changed
2024 Gas, Hybrid 21–25 MPG $3,230–$3,800 Ratings changed
2023 Gas, Hybrid 21–25 MPG $3,230–$3,800 Ratings changed
2022 Gas, Hybrid 21–25 MPG $3,230–$3,800 Ratings changed
2021 Gas, Hybrid 21–28 MPG $2,870–$3,800 Ratings changed
2020 Gas, Hybrid 21–28 MPG $2,880–$3,800 Ratings changed
2019 Gas, Hybrid 21–28 MPG $2,870–$3,810 Ratings changed
2018 Gas, Hybrid 21–28 MPG $2,850–$3,760 First year

What the 2026 500 3.4L 6-cyl turbo AWD costs to drive

Per month

$320

$3,840 a year ÷ 12

Per 25 miles

$6.40

Per 100 miles

$25.60

Five years

$19,200

5 × the yearly cost, prices held at today's level

vs the midsize car median

$1,730more a year

Class median $2,110 a year, MY2026

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2026 Lexus LS MPG

Versus 2025: The most efficient configuration moves from 25 to 21 MPG, down 4. Its annual cost goes from $3,230 to $3,840, $610 more.

Gas · 3.4L
Combined
21 MPG
Per year
$3,840

Gas configurations (1)

2026 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 (Most efficient) 3.4L 6-cyl turbo AWD 17 27 21 $3,840

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2025 Lexus LS MPG

21–25 MPG · $3,230–$3,800/yr

Versus 2024: The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,230.

Gas · 3.4L
Combined
21–22 MPG
Per year
$3,660–$3,800
See gas configurations
Hybrid · 3.5L
Combined
25 MPG
Per year
$3,230
See hybrid configurations

Gas configurations (2)

2025 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 18 29 22 $3,660
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 17 27 21 $3,800

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (2)

2025 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h 3.5L 6-cyl AWD Automatic (AV-S10) (Most efficient) 3.5L 6-cyl AWD 22 29 25 $3,230
500h 3.5L 6-cyl AWD Automatic (AV-S10) 3.5L 6-cyl AWD 22 29 25 $3,230

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2024 Lexus LS MPG

21–25 MPG · $3,230–$3,800/yr

Versus 2023: The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,230.

Gas · 3.4L
Combined
21–22 MPG
Per year
$3,660–$3,800
See gas configurations
Hybrid · 3.5L
Combined
25 MPG
Per year
$3,230
See hybrid configurations

Gas configurations (2)

2024 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 18 29 22 $3,660
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 17 27 21 $3,800

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (1)

2024 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h (Most efficient) 3.5L 6-cyl AWD 22 29 25 $3,230

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2023 Lexus LS MPG

21–25 MPG · $3,230–$3,800/yr

Versus 2022: The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,230.

Gas · 3.4L
Combined
21–22 MPG
Per year
$3,660–$3,800
See gas configurations
Hybrid · 3.5L
Combined
25 MPG
Per year
$3,230
See hybrid configurations

Gas configurations (2)

2023 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 18 29 22 $3,660
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 17 27 21 $3,800

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (2)

2023 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h 3.5L 6-cyl AWD (Most efficient) 3.5L 6-cyl AWD 22 29 25 $3,230
500h 3.5L 6-cyl RWD 3.5L 6-cyl RWD 22 29 25 $3,230

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2022 Lexus LS MPG

21–25 MPG · $3,230–$3,800/yr

Versus 2021: The most efficient configuration moves from 28 to 25 MPG, down 3. Its annual cost goes from $2,870 to $3,230, $360 more.

Gas · 3.4L
Combined
21–22 MPG
Per year
$3,660–$3,800
See gas configurations
Hybrid · 3.5L
Combined
25 MPG
Per year
$3,230
See hybrid configurations

Gas configurations (2)

2022 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 18 29 22 $3,660
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 17 27 21 $3,800

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (1)

2022 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h (Most efficient) 3.5L 6-cyl AWD 22 29 25 $3,230

1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2021 Lexus LS MPG

21–28 MPG · $2,870–$3,800/yr

Versus 2020: The most efficient configuration stays at 28 MPG. Its annual cost goes from $2,880 to $2,870, $10 less.

Gas · 3.4L
Combined
21–22 MPG
Per year
$3,640–$3,800
See gas configurations
Hybrid · 3.5L
Combined
26–28 MPG
Per year
$2,870–$3,130
See hybrid configurations

Gas configurations (2)

2021 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 18 29 22 $3,640
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 17 27 21 $3,800

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (2)

2021 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h 3.5L 6-cyl RWD (Most efficient) 3.5L 6-cyl RWD 25 33 28 $2,870
500h 3.5L 6-cyl AWD 3.5L 6-cyl AWD 23 29 26 $3,130

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2020 Lexus LS MPG

21–28 MPG · $2,880–$3,800/yr

Versus 2019: The most efficient configuration stays at 28 MPG. Its annual cost goes from $2,870 to $2,880, $10 more.

Gas · 3.4L
Combined
21–23 MPG
Per year
$3,510–$3,800
See gas configurations
Hybrid · 3.5L
Combined
26–28 MPG
Per year
$2,880–$3,120
See hybrid configurations

Gas configurations (2)

2020 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 19 30 23 $3,510
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 18 27 21 $3,800

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (2)

2020 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h 3.5L 6-cyl RWD (Most efficient) 3.5L 6-cyl RWD 25 33 28 $2,880
500h 3.5L 6-cyl AWD 3.5L 6-cyl AWD 23 31 26 $3,120

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2019 Lexus LS MPG

21–28 MPG · $2,870–$3,810/yr

Versus 2018: The most efficient configuration stays at 28 MPG. Its annual cost goes from $2,850 to $2,870, $20 more.

Gas · 3.4L
Combined
21–23 MPG
Per year
$3,510–$3,810
See gas configurations
Hybrid · 3.5L
Combined
26–28 MPG
Per year
$2,870–$3,110
See hybrid configurations

Gas configurations (2)

2019 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 19 30 23 $3,510
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 18 27 21 $3,810

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (2)

2019 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h 3.5L 6-cyl RWD (Most efficient) 3.5L 6-cyl RWD 25 33 28 $2,870
500h 3.5L 6-cyl AWD 3.5L 6-cyl AWD 23 31 26 $3,110

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2018 Lexus LS MPG

21–28 MPG · $2,850–$3,760/yr
Gas · 3.4L
Combined
21–23 MPG
Per year
$3,490–$3,760
See gas configurations
Hybrid · 3.5L
Combined
26–28 MPG
Per year
$2,850–$3,090
See hybrid configurations

Gas configurations (2)

2018 Lexus LS gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500 3.4L 6-cyl turbo RWD (Most efficient) 3.4L 6-cyl turbo RWD 19 30 23 $3,490
500 3.4L 6-cyl turbo AWD 3.4L 6-cyl turbo AWD 18 27 21 $3,760

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Hybrid configurations (2)

2018 Lexus LS hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
500h 3.5L 6-cyl RWD (Most efficient) 3.5L 6-cyl RWD 25 33 28 $2,850
500h 3.5L 6-cyl AWD 3.5L 6-cyl AWD 23 31 26 $3,090

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Fuel cost by state

Yearly cost of the 500 3.4L 6-cyl turbo AWD: $4,570 in California and $3,330 in Texas, a $1,240 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2026 midsize car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2018-2026 Lexus LS get?

EPA rates the 2018-2026 Lexus LS at 21–28 MPG combined across 31 configurations and 9 model years. The most efficient version, the 2021 500h 3.5L 6-cyl RWD, is rated 28 MPG (25 city, 33 highway). By powertrain: Gas: 21–23 MPG; Hybrid: 25–28 MPG.

Which years had the best MPG in the 2018-2026 Lexus LS?

The 500h 3.5L 6-cyl RWD reached the generation's best combined rating, 28 MPG, in 2018, 2019, 2020 and 2021. The lowest top rating, 21 MPG, was in 2026.

Did EPA ratings change during the 2018-2026 Lexus LS?

Yes. Ratings changed in 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026.

How does the 2018-2026 Lexus LS compare with the previous generation?

The previous generation (2007-2017 Lexus LS) is rated 18–21 MPG combined and costs $3,830–$4,460 a year to fuel; the 2018-2026 model is rated 21–28 MPG and costs $2,850–$3,840 a year.

How much does it cost to fuel a 2026 Lexus LS per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the 500 3.4L 6-cyl turbo AWD costs about $3,840 a year. Across all 1 configuration the cost runs $3,840 a year.

How much does it cost to drive a 2026 Lexus LS 100 miles?

About $25.60 per 100 miles for the 500 3.4L 6-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.

Is the 2026 Lexus LS more efficient in the city or on the highway?

The 500 3.4L 6-cyl turbo AWD is rated 17 city and 27 highway MPG, so it is more efficient on the highway, by 10 MPG.

How does the 2026 Lexus LS compare with other midsize car configurations?

The 500 3.4L 6-cyl turbo AWD costs about $3,840 a year to fuel, $1,730 more than the class median of $2,110, and less than 0 of 10 midsize car configurations. The comparison covers all 94 rated midsize car configurations for MY2026, not weighted by sales.

Is the 2026 Lexus LS different from the 2025 model?

The most efficient configuration moves from 25 to 21 MPG, down 4. Its annual cost goes from $3,230 to $3,840, $610 more. EPA lists 1 configuration for 2026 against 4 configurations for 2025. See the 2025 Lexus LS for that year.