2022 Lexus GS Specs: MPG, Gas Mileage, Engine Size & Dimensions
2022 Lexus GS Specs at a Glance
The 2022 Lexus GS gets 31 mpg combined on the 3.5L Rear-Wheel Drive configuration, weighs 4,034 lbs, measures 193.3 in long. Figures are per configuration, not a single official number — other trims rate as low as 19 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 31 mpg (29 city / 34 hwy)
- Best configuration: 3.5L · Rear-Wheel Drive · Automatic (AV-S8) · other 2022 trims rate 19–31 mpg combined
- Engine
- 3.5L 6-cyl
- 3.5L · Rear-Wheel Drive · Automatic (AV-S8) · 3 powertrains offered
- Curb weight
- 4,034 lbs
- Heaviest recorded configuration: GS F 4DR SEDAN
- Length
- 193.3 in · 72.4 in wide · 56.7 in tall
- Wheelbase
- 112.2 in
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Curb Weight
Curb Weight for every year and trim
View details →Lexus GS 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.
| Years | Variants | Engines | Drive | Class | Best MPG |
|---|---|---|---|---|---|
| 2016–2020 | 31 | 2.0L, 3.5L, 5.0L | All-Wheel Drive, Rear-Wheel Drive | Compact Cars, Midsize Cars | 31 |
| 2015 | 3 | 3.5L | All-Wheel Drive, Rear-Wheel Drive | Midsize Cars | 31 |
Lexus GS — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2020 | Auto (S6), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S6) | All-Wheel Drive | 19 | 26 | 21 | Premium Gasoline |
| 2020 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 20 | 28 | 23 | Premium Gasoline |
| 2020 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2020 | Auto (S8), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S8) | Rear-Wheel Drive | 16 | 24 | 19 | Premium Gasoline |
| 2019 | Auto (S6), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S6) | All-Wheel Drive | 19 | 26 | 21 | Premium Gasoline |
| 2019 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 21 | 30 | 24 | Premium Gasoline |
| 2019 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2019 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2019 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 20 | 28 | 23 | Premium Gasoline |
| 2019 | Auto (S8), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S8) | Rear-Wheel Drive | 16 | 24 | 19 | Premium Gasoline |
| 2018 | Auto (AV-S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (AV-S8) | Rear-Wheel Drive | 29 | 34 | 31 | Premium Gasoline |
| 2018 | Auto (S6), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S6) | All-Wheel Drive | 19 | 26 | 22 | Premium Gasoline |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 21 | 30 | 24 | Premium Gasoline |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2018 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 20 | 28 | 23 | Premium Gasoline |
| 2018 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2018 | Auto (S8), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S8) | Rear-Wheel Drive | 16 | 24 | 19 | Premium Gasoline |
| 2017 | Auto (AV-S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (AV-S8) | Rear-Wheel Drive | 29 | 34 | 31 | Premium Gasoline |
| 2017 | Auto (S6), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S6) | All-Wheel Drive | 19 | 26 | 22 | Premium Gasoline |
| 2017 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2017 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 21 | 30 | 24 | Premium Gasoline |
| 2017 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 20 | 28 | 23 | Premium Gasoline |
| 2017 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2017 | Auto (S8), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S8) | Rear-Wheel Drive | 16 | 24 | 19 | Premium Gasoline |
| 2016 | Auto (AV-S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (AV-S8) | Rear-Wheel Drive | 29 | 34 | 31 | Premium Gasoline |
| 2016 | Auto (S6), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S6) | All-Wheel Drive | 19 | 26 | 22 | Premium Gasoline |
| 2016 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2016 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | Rear-Wheel Drive | 21 | 30 | 24 | Premium Gasoline |
| 2016 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2016 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 20 | 28 | 23 | Premium Gasoline |
| 2016 | Auto (S8), 8 cyl, 5.0 L | 8 · 5.0L | Automatic (S8) | Rear-Wheel Drive | 16 | 24 | 19 | Premium Gasoline |
| 2015 | Auto (AV-S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (AV-S8) | Rear-Wheel Drive | 29 | 34 | 31 | Premium Gasoline |
| 2015 | Auto (S6), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S6) | All-Wheel Drive | 19 | 26 | 21 | Premium Gasoline |
| 2015 | Auto (S8), 6 cyl, 3.5 L | 6 · 3.5L | Automatic (S8) | Rear-Wheel Drive | 19 | 29 | 23 | Premium Gasoline |
Compare across every brand
All Lexus GS specifications
Lexus GS — Frequently Asked Questions
What is the fuel economy of the 2020 Lexus GS?
The Lexus GS is EPA-rated at up to 31 MPG combined (29 city / 34 highway), a historical peak recorded on the 2018 model year.
What engine does the 2020 Lexus GS have?
The Lexus GS uses a 3.5L 6-cylinder engine paired with an Automatic transmission.
What years of the Lexus GS are covered here?
This page documents 34 verified Lexus GS configurations across model years 2015–2020.
Which model year of the Lexus GS is the most fuel efficient?
The 2018 Lexus GS holds the highest combined rating at 31 MPG; the 2020 sits lowest at 23 MPG, a difference of 8 MPG (about 35%) across the 6 rated years on file.
How many engine options does the Lexus GS have?
The records list 3 distinct displacements for the Lexus GS — 2L, 3.5L, 5L — which is why combined MPG varies between trims of the same year.
Is the 2020 Lexus GS front-wheel drive or all-wheel drive?
The Lexus GS appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, Rear-Wheel Drive — with the latest 2020 record on All-Wheel Drive.