GX 550
4-Wheel Drive · Automatic (S10) · Standard Sport Utility Vehicle 4WD
- MPG combined
- 17
- City / highway
- 15 / 21
- Engine
- 3.4L 6-cyl turbo
- Fuel
- Premium
- Annual fuel cost
- $4,850
- Tailpipe CO₂
- 505 g/mi

The Lexus GX has been sold in the US from 2003 to 2026, in 24 model years covered here. The 2026 line-up has 1 trim with 17 MPG combined.
4-Wheel Drive · Automatic (S10) · Standard Sport Utility Vehicle 4WD
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.