Skip to content
EnginePart report

2026 Lexus RX Engine Problems

Complaints
2about this part
Share
17%of 12 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 2 complaints about the engine of the 2026 Lexus RX, 17% of the 12 complaints for this model year. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“While driving my 2026 Lexus RX350h, the vehicle suddenly lost propulsion and would not respond to the accelerator. After coming to a stop, pressing the gas pedal did nothing. I had to shift to Park, press the brake, and press the Start button to get the vehicle moving again. A short time later, while making a right turn, the vehicle lost power again while still moving, forcing me to repeat the Park–Brake–Start sequence in the middle of the turn. This is a serious safety issue because the hybrid system appears to shut down unexpectedly, causing loss of propulsion in traffic. …”

NHTSA complaint #11773204, filed 2026-10

“Technical Incident Timeline Suspected Unintended Acceleration Event 2026 Lexus RX 350h Premium+ (Approximately 96 Miles) Vehicle: 2026 Lexus RX 350h Premium+ Purchase Date: July 10, 2026 Dealer: Woodfield Lexus Incident Date: July 12, 2026 Approximate Time: 11:30 AM Vehicle Mileage at Incident: Approximately 96 miles ⸻ Event Sequence 1. Vehicle Startup * I entered the vehicle and started the vehicle normally. * The vehicle was in Park (P) at startup. * My right foot was on the brake pedal, as required to start the vehicle. * The accelerator pedal was not intentionally pressed. 2. …”

NHTSA complaint #11750381, filed 2026-07

Engine: other model years

YearComplaintsShare of year
2026217%
2025418%
2024813%
20231118%
2022310%
202123%
2020511%
2019721%
2018415%
20171021%
2016518%
2015525%
201315%
2012325%
20111034%
20102127%
2009926%
20081521%
2007814%
2006825%
200514%
200425%
200218%
200115%
199913%

Other parts of the 2026 Lexus RX

Electrical system
7 complaints
Fuel system
2 complaints
Body and structure
2 complaints
Transmission and drivetrain
2 complaints
Back-over prevention (rear camera)
1 complaints
Brakes
1 complaints
Exterior lighting
1 complaints
Forward collision avoidance
1 complaints
Latches, locks and linkages
1 complaints
Other or unknown
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2026 Lexus RX

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology