CarModelProblems.com

1999 Lexus RX300 Power Train:automatic Transmission Problems

NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/12/2026

110Power Train:automatic Transmission complaints
49.8%Of all 221 complaints
#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How power train:automatic transmission ranks on this vehicle

POWER TRAIN:AUTOMATIC TRANSMISSION110 · 49.8%
POWER TRAIN13 · 5.9%
VEHICLE SPEED CONTROL8 · 3.6%
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE7 · 3.2%
ENGINE AND ENGINE COOLING:ENGINE7 · 3.2%

Share of the 221 complaints citing each category; one complaint can cite several. Full breakdown on the 1999 Lexus RX300 overview page.

What owners report

“NOTICED INABILITY OF THE TRANSMISSION TO CONSISTENTLY UPSHIFT INTO OVERDRIVE IN FREEWAY CONDITIONS WITH MINIMUM LOAD, FLAT SURFACE.”NHTSA complaint 10234965 — filed 07/20/2008
“OWN A 1999 LEXUS RX 300. ENGINE TRANSMISSION HAS BEEN SLUGGISH SINCE I PURCHASED THE CAR IN 2001. SINCE WE HAVE OWNED THE CAR WE…”NHTSA complaint 10233091 — filed 07/02/2008
“THE TRANSMISSION COMPLETELY FAILED. COULD NOT DRIVE THE VEHICLE. OCCURRED ON THE FREEWAY AT 60 MPH.”NHTSA complaint 10230923 — filed 06/13/2008

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Power Train:automatic Transmission complaints by year filed

320002200352004320058200620200718200827200915201092011

Frequently asked questions

Does the 1999 Lexus RX300 have power train:automatic transmission problems?

Power Train:automatic Transmission is the most-reported problem area on the 1999 Lexus RX300: 110 of 221 complaints on file (49.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1999 Lexus RX300 have in total?

221 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 18 involved a crash, 10 involved a fire, 16 reported injuries, and none reported deaths.

What does NHTSA's power train:automatic transmission category include?

NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.