Owners have made the most complaints about Fuel System problems, followed by issues with the Brakes, and Exterior.

Most Common RX 450h Complaints

ABS actuator bad
This Brakes problem has been made 3 times by 2010 model year owners.
fuel pump failed
This Engine problem has been made 1 times by 2011 model year owners.
fuel gauge sensor not working
This Fuel System problem has been made 1 times by 2016 model year owners.
awd useless in snow
This Drivetrain problem has been made 1 times by 2013 model year owners.
mirror vibrates
This Exterior problem has been made 1 times by 2014 model year owners.
unintended acceleration
This Fuel System problem has been made 1 times by 2010 model year owners.

RX 450h Generations

The RX 450h has 2 generations. Generations are groups of model years where the vehicles are continuously produced, using similar engineering and shared features. Generation data isn't always cut-and-dry and is often different for different countries. When in doubt, we use North American generation data.

  1. 4th Generation RX 450h (2016—2016)

    This generation ranks 40th in reliability out of 103 generations.

    • PainRank™ 0.83
    • Complaints 1
    • Active Years 2016
  2. 3rd Generation RX 450h (2010—2015)

    This generation ranks 64th in reliability out of 103 generations.