"How reliable is the 2004 Lexus Rx?"

"Based on 56 NHTSA complaints, the 2004 Lexus Rx has a median complaint mileage of 68000 miles. The most common issue is STRUCTURE."

"What are common problems with the 2004 Lexus Rx?"

"The most frequently reported component in NHTSA complaints for the 2004 Lexus Rx is STRUCTURE, accounting for a significant portion of the 56 total complaints filed."

2004 Lexus Rx: Reliability Data

Source: NHTSA — 56 complaints

Total Complaints

68,000mi

Median Mileage

STRUCTURE

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

34,979 25th Percentile

68,000 Median Mileage

118,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STRUCTURE

UNKNOWN OR OTHER

AIR BAGS

POWER TRAIN:AUTOMATIC TRANSMISSION

EXTERIOR LIGHTING

VEHICLE SPEED CONTROL

WHEELS

SERVICE BRAKES

ENGINE

SEATS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"DT*: THE CONTACT STATED THAT THE EXTERIOR HEADLIGHTS WOULD NOT ILLUMINATE FAR ENOUGH WHILE DRIVING IN THE EVENING AT A SPEED OF 70 MPH. THE VEHICLE WAS TAKEN TO THE DEALERS WHO ADJUSTED THE HEADLIGHTS BUT WERE UNABLE TO DETERMINE THE CAUSE OF THE PROBLEM. THE VEHICLE IS STILL EXPERIENCING THE SAME..."

"I'M ENCOUNTERING THE SAME TRANSMISSION HESITATION , JUMPING AND REVVING WHEN SHIFTING IN THE LOWER GEARS AS MANY OTHERS HAVE REPORTED. I HAVE HAD THE SOFTWARE UPDATE WITHOUT EFFECT. THE DEALER NOW IS INSULTING ME BY CLAIMING THE USE OF REGULAR GAS MAY BE THE CAUSE. *NM"

"I LEASED A 2004 RX330 IN JANUARY, 04. IMMEDIATELY I BEGAN HAVING DIFFICULTY PREDICTING WHAT THE TRANSMISSION WAS GOING TO DO NEXT. SHIFT POINTS ALL OVER THE PLACE. THE "UPGRADE" WAS PERFORMED, PROVIDED TEMPORARY ADJUSTMENT. MERGING IS DEADLY. I THOUGHT PERHAPS I WAS SLIPPING OFF THE PEDAL, BUT ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28