Most common 2003 Lexus GX problems
Share of the 5 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Lexus GX complaints by model year
Best GX years: 2006, 2003, 2004. Years to avoid: 2024, 2025. Compare all years →
2003 Lexus GX engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 4.7L 8-cyl | 5-speed automatic | 4WD/AWD | 14 / 17 / 15 |
EPA ratings. Class: SUV.
Frequently asked questions
Is the 2003 Lexus GX a good car?
Based on 5 owner complaints filed with NHTSA, the 2003 GX rates average: 47% fewer complaints than a typical year of the GX at the same age. It is one of the best GX years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2003 Lexus GX?
The transmission & drivetrain — 1 complaint, 20% of all complaints for this model year, most often about automatic transmission › park/neutral start interlock switch. Next are the speed control & acceleration (1) and stability & traction control (1).
How many recalls does the 2003 Lexus GX have?
NHTSA lists no recalls for the 2003 Lexus GX. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the Lexus GX?
The best years by complaints, compared at the same age, are 2006, 2003 and 2004. Years to avoid or approach with caution: 2024 and 2025. See the full Lexus GX years comparison.
At what mileage do 2003 Lexus GX problems happen?
The median mileage reported in complaints is about 85,000 miles; 33% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.