2024 · Midsize & Large SUV · Gas

2024 Lexus GX MPG & fuel economy

The 2024 Lexus GX is a midsize or large SUV with one EPA-rated configuration. The most efficient version returns 17 MPG combined (15 city / 21 highway) on premium gasoline. That's up 1 MPG from the 2023 model. Among 79 midsize & large SUVs rated for 2024, it ranks 67th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,485 a year to fuel.

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Combined 17 MPG 15 MPG city · 21 MPG hwy

Driving range — not published for this model

Your fuel cost $3,485 15,000 mi/yr · $23.24 per 100 mi

Class rank, 2024 #67 of 79 Midsize & Large SUVs by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2024 Lexus GX's fuel average is 7.2 km/L (13.8 L/100 km), or 17 MPG combined: 6.4 km/L in the city and 8.9 km/L on the highway.

	MPG	km/L	L/100 km
City	15	6.4	15.7
Highway	21	8.9	11.2
Combined	17	7.2	13.8

How it ranks among 2024 Midsize & Large SUVs

Full class ranking →

1Audi Q4 e-tron103 MPGe $883
2Tesla Model X100 MPGe $907
3Honda Prologue99 MPGe $918
4Jeep Wagoneer EV97 MPGe $934
5Mercedes-Benz EQE96 MPGe $934
···
67Lexus GX17 MPG $3,485
···
79Ferrari Purosangue12 MPG $4,938

2024 GXOther midsize & large SUVsClass median: $2,447/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

GX MPG across model years

Full history →

1 EPA-rated configuration

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
4WD · 3.4L 6-cyl turbo · 10-speed automatic GX 550	Gas	15 MPG	21 MPG	17 MPG	—	$3,485

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.4L 6-cyl turbo
Transmission: 10-speed automatic
Drivetrain: 4WD
Tailpipe CO₂: 504 g/mi
EPA fuel economy score: 3/10
EPA greenhouse gas score: 3/10

2024 Lexus GX vs. rivals

vs Audi SQ7 17 MPG · $3,485/yr Same fuel cost vs Audi SQ8 17 MPG · $3,485/yr Same fuel cost vs Maserati Levante 18 MPG · $3,292/yr Levante saves $194/yr vs Cadillac Escalade 16 MPG · $3,703/yr GX saves $218/yr vs Infiniti QX80 16 MPG · $3,703/yr GX saves $218/yr vs Land Rover Defender 19 MPG · $3,118/yr Defender saves $367/yr vs Audi RS Q8 15 MPG · $3,950/yr GX saves $465/yr vs INEOS Automotive Grenadier 15 MPG · $3,950/yr GX saves $465/yr vs Mercedes-Benz G-Class 14 MPG · $4,232/yr GX saves $747/yr vs Aston Martin DBX 707 17 MPG · $3,485/yr Same fuel cost vs Bentley Bentayga 16 MPG · $3,703/yr GX saves $218/yr vs Aston Martin DBX V8 16 MPG · $3,703/yr GX saves $218/yr

Compare the 2024 GX

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Frequently asked questions

What is the gas mileage of the 2024 Lexus GX?

Up to 17 MPG combined (15 city / 21 highway).

What fuel does the 2024 Lexus GX use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2024 Lexus GX?