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2026 Lexus LS Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2026 model years47 variantsUp to 28 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

Lexus LS maintenance schedule by model year

Verified year-by-year intervals for 2023–2024 are listed on the Lexus LS maintenance schedule, where you can switch model year in the table.

2026 Lexus LS Specs at a Glance

The 2026 Lexus LS gets 21 mpg combined on the 3.4L All-Wheel Drive configuration, weighs 5,225 lbs, measures 206.3 in long. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
21 mpg (17 city / 27 hwy)
Best configuration: 3.4L · All-Wheel Drive · Automatic (S10)
Engine
3.4L 6-cyl
3.4L · All-Wheel Drive · Automatic (S10)
Curb weight
5,225 lbs
Heaviest recorded configuration: LS 500H 4DR SEDAN
Length
206.3 in · 74.8 in wide · 57.5 in tall
Wheelbase
123.2 in

2026 Lexus LS trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

Engine Specs for every year and trim

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Annual Fuel Cost

Fuel Cost for every year and trim

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Transmission Specifications

Transmission for every year and trim

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Drivetrain & Drive Type

Drivetrain for every year and trim

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Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

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Maintenance Schedule & Service Intervals

Maintenance for every year and trim

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Dimensions & Size

Dimensions for every year and trim

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Curb Weight

Curb Weight for every year and trim

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Lexus LS Generations

Grouped by year ranges where the engine lineup, drivetrain options, and EPA class stay consistent — a derived approximation of the factory generations, not a manufacturer-published list.

YearsVariantsEnginesDriveClassBest MPG
2018–2026333.4L, 3.5LAll-Wheel Drive, Rear-Wheel DriveMidsize Cars28
2015–201784.6L, 5.0LAll-Wheel Drive, Rear-Wheel DriveMidsize Cars20

Lexus LS — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721Premium Gasoline
2025Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2025Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2025Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721Premium Gasoline
2025Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive182922Premium Gasoline
2024Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2024Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2024Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721Premium Gasoline
2024Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive182922Premium Gasoline
2023Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2023Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)Rear-Wheel Drive222925Premium Gasoline
2023Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2023Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721Premium Gasoline
2023Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive182922Premium Gasoline
2022Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive222925Premium Gasoline
2022Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721Premium Gasoline
2022Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive182922Premium Gasoline
2021Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)Rear-Wheel Drive253328Premium Gasoline
2021Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive232926Premium Gasoline
2021Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive182922Premium Gasoline
2021Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive172721Premium Gasoline
2020Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)Rear-Wheel Drive253328Premium Gasoline
2020Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive233126Premium Gasoline
2020Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive193023Premium Gasoline
2020Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive182721Premium Gasoline
2019Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)Rear-Wheel Drive253328Premium Gasoline
2019Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive233126Premium Gasoline
2019Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive193023Premium Gasoline
2019Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive182721Premium Gasoline
2018Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)Rear-Wheel Drive253328Premium Gasoline
2018Auto (AV-S10), 6 cyl, 3.5 L6 · 3.5LAutomatic (AV-S10)All-Wheel Drive233126Premium Gasoline
2018Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)Rear-Wheel Drive193023Premium Gasoline
2018Auto (S10), 6 cyl, 3.4 L6 · 3.4LAutomatic (S10)All-Wheel Drive182721Premium Gasoline
2017Auto (S8), 8 cyl, 4.6 L8 · 4.6LAutomatic (S8)Rear-Wheel Drive162419Premium Gasoline
2017Auto (S8), 8 cyl, 4.6 L8 · 4.6LAutomatic (S8)All-Wheel Drive162318Premium Gasoline
2016Auto (AV-S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (AV-S8)All-Wheel Drive192320Premium Gasoline
2016Auto (S8), 8 cyl, 4.6 L8 · 4.6LAutomatic (S8)All-Wheel Drive162318Premium Gasoline
2016Auto (S8), 8 cyl, 4.6 L8 · 4.6LAutomatic (S8)Rear-Wheel Drive162419Premium Gasoline
2015Auto (AV-S8), 8 cyl, 5.0 L8 · 5.0LAutomatic (AV-S8)All-Wheel Drive192320Premium Gasoline
2015Auto (S8), 8 cyl, 4.6 L8 · 4.6LAutomatic (S8)Rear-Wheel Drive162419Premium Gasoline
2015Auto (S8), 8 cyl, 4.6 L8 · 4.6LAutomatic (S8)All-Wheel Drive162318Premium Gasoline

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Lexus LS — Frequently Asked Questions

What is the fuel economy of the 2026 Lexus LS?

The Lexus LS is EPA-rated at up to 28 MPG combined (25 city / 33 highway), a historical peak recorded on the 2021 model year.

What engine does the 2026 Lexus LS have?

The Lexus LS uses a 3.4L 6-cylinder engine paired with an Automatic transmission.

What years of the Lexus LS are covered here?

This page documents 41 verified Lexus LS configurations across model years 2015–2026.

Which model year of the Lexus LS is the most fuel efficient?

The 2021 Lexus LS holds the highest combined rating at 28 MPG; the 2017 sits lowest at 19 MPG, a difference of 9 MPG (about 47%) across the 12 rated years on file.

How many engine options does the Lexus LS have?

The records list 4 distinct displacements for the Lexus LS — 3.4L, 3.5L, 4.6L, 5L — which is why combined MPG varies between trims of the same year.

Is the 2026 Lexus LS front-wheel drive or all-wheel drive?

The Lexus LS appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, Rear-Wheel Drive — with the latest 2026 record on All-Wheel Drive.

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