BestCarRank
Lexus

2018 Lexus RX

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2018 Lexus RX has 33 owner complaints filed with NHTSA — that's 0.4x the segment average of 80. The most common issue is other problems (18% of all complaints), specifically: the slightly opened sunroof spontaneously exploded with shattered glass flying outward and some glass pieces falling on my husband while he was driving. the vehicle can be inspected; however, a lexus dealership replaced the sunroof glass without charge, the next day after the incident. the unexpec.

3 crash reports 1 injury

33

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.4x

vs Segment Avg

Known Problems

OTHER

6 complaints
18%
  • The slightly opened sunroof spontaneously exploded with shattered glass flying outward and some glass pieces falling on my husband while he was driving. The vehicle can be inspected; however, a Lexus dealership replaced the sunroof glass without charge, the next day after the incident. The unexpec
  • This car just send me a warning light last night about the all wheel drive system and issues about the engine, I was in the dealer this morning and I tell them the problem with the car but they was charging me for everything and left the lexus repair shop I work in my car and this not supposed to be
  • The driver side indoor door handle no longer works. Despite my model being part of the special service campaign 20LC02, dealer says that my VIN number is not covered despite it being the exact problem described.
Typical onset: 50K miles Est. repair: $500

The slightly opened sunroof spontaneously exploded with shattered glass flying outward and some glass pieces falling on my husband while he was driving. The vehicle can be inspected; however, a Lexus dealership replaced the sunroof glass without charge, the next day after the incident. The unexpec

— NHTSA complaint filing

BRAKES

6 complaints
18%
  • Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this iss
  • Lexus 2018 Rx450hl is known to have issue with brake actuator. A faulty brake actuator causes the car to fail sudden stop. It’s definitely a safety issue. Lexus have technical service information bulletin(tsib) for this issue since 2019. They never contact the owner to replace the faulty part. So if
  • The car makes a "Brake Squawk" noise when the brake pedal is applied. The noise sometimes is unbearable. Dealer replaced the brake actuator. The noise came back after a few months.
Typical onset: 50K miles Est. repair: $500💥 1 crashes

Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this iss

— NHTSA complaint filing

ELECTRICAL

3 complaints
9%
  • Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this iss
  • This car just send me a warning light last night about the all wheel drive system and issues about the engine, I was in the dealer this morning and I tell them the problem with the car but they was charging me for everything and left the lexus repair shop I work in my car and this not supposed to be
  • HVAC servo motor failure. There are many complaints on internet if you google. Multiple other lexus models have CSPs regarding same problem too..
Typical onset: 50K miles Est. repair: $500

Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this iss

— NHTSA complaint filing

ENGINE

3 complaints
9%
  • This car just send me a warning light last night about the all wheel drive system and issues about the engine, I was in the dealer this morning and I tell them the problem with the car but they was charging me for everything and left the lexus repair shop I work in my car and this not supposed to be
  • Engine block #1 misfire , 02/gasoline ratio level problem
  • 1. Check engine light comes on. 2. Intelligent collision system (ICS) plashing while driving
Typical onset: 50K miles Est. repair: $500

This car just send me a warning light last night about the all wheel drive system and issues about the engine, I was in the dealer this morning and I tell them the problem with the car but they was charging me for everything and left the lexus repair shop I work in my car and this not supposed to be

— NHTSA complaint filing

DRIVER ASSIST/CAMERAS

3 complaints
9%
  • The contact owns a 2018 Lexus RX350. The contact stated while driving approximately 60 MPH, and as she was approaching a toll road gate, there were several lanes that were closed and marked with traffic cones. The contact stated that as she was turning the wheel to steer into an open gate she crashe
  • 1. Check engine light comes on. 2. Intelligent collision system (ICS) plashing while driving
  • 1. Check engine light comes on. 2. Intelligent collision system (ICS) plashing while driving
Typical onset: 50K miles Est. repair: $500💥 1 crashes

The contact owns a 2018 Lexus RX350. The contact stated while driving approximately 60 MPH, and as she was approaching a toll road gate, there were several lanes that were closed and marked with traffic cones. The contact stated that as she was turning the wheel to steer into an open gate she crashe

— NHTSA complaint filing

Estimated Repair Costs

OTHER(~50K mi)
$500
BRAKES(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
ENGINE(~50K mi)
$500
DRIVER ASSIST/CAMERAS(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 33 owner complaints for this specific year, here's what to check or ask about:

  • OTHER: The slightly opened sunroof spontaneously exploded with shattered glass flying outward and some glass pieces falling on my husband while he was driving. The vehicle can be inspected; however, a Lexus dealership replaced the sunroof glass without charge, the next day after the incident. The unexpec

    Typically appears around 50K miles. Repair cost ~$500

  • BRAKES: Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this iss

    Typically appears around 50K miles. Repair cost ~$500

  • ELECTRICAL: Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this iss

    Typically appears around 50K miles. Repair cost ~$500

  • ENGINE: This car just send me a warning light last night about the all wheel drive system and issues about the engine, I was in the dealer this morning and I tell them the problem with the car but they was charging me for everything and left the lexus repair shop I work in my car and this not supposed to be

    Typically appears around 50K miles. Repair cost ~$500

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
33
Recalls
0
Fire reports
0
Crash reports
3
Injury reports
1
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2018 Lexus RX