Lexus GX 550 Gas Mileage (2024-2026)

The Lexus GX 550 gas mileage is 17 to 18 miles per gallon as specified in our data below, organized by trim, option package, and model year.

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For example, the 2026 Lexus GX 550 Luxury trim model has a combined gas mileage of 17 miles per gallon, while the 2024 Lexus GX 550 Luxury+ has a combined gas mileage of 18 miles per gallon.

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In the city, the GX 550 gas mileage is 15 miles per gallon.

On the highway, the GX 550 gas mileage is 21 miles per gallon.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Check out the Gas Mileage specifications for other makes and models.

2026 Lexus GX 550 Gas Mileage

The 2026 Lexus GX 550 gas mileage is 17 miles per gallon combined.

In the city, the 2026 GX 550 gas mileage is 15 miles per gallon.

On the highway, the 2026 GX 550 gas mileage is 21 miles per gallon.

2024 Lexus GX 550 Gas Mileage

The 2024 Lexus GX 550 gas mileage is 18 miles per gallon combined.

In the city, the 2024 GX 550 gas mileage is 15 miles per gallon.

On the highway, the 2024 GX 550 gas mileage is 21 miles per gallon.