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.

---

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.

---

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.

Fuel economy notes: Calculated combined estimates use the EPA 55% city/45% highway harmonic average, rounded to the nearest whole MPG. These estimates use reported, rounded city and highway figures and may differ from official ratings. Ratings supplied by the source are retained. Conventional hybrids use MPG; MPGe measures gasoline-equivalent energy efficiency for electric vehicles and electric driving modes.

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.

2025 Lexus GX 550 Gas Mileage

The 2025 Lexus GX 550 gas mileage is 17 miles per gallon combined.

In the city, the 2025 GX 550 gas mileage is 15 miles per gallon.

On the highway, the 2025 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.