Reliability Guide
Common Lexus Problems
Select a model below to discover known faults, common MOT failures, estimated repair costs, and buying tips.
Select a Lexus Model
Lexus RZ
2023 – 2025
1 documented issues
Lexus RX (Mk5)
2022 – 2025
3 documented issues 2 severe
Lexus NX (Mk2)
2021 – 2025
3 documented issues 1 severe
Lexus UX
2019 – 2025
2 documented issues
Lexus ES
2018 – 2025
2 documented issues
Lexus LS (Mk5)
2017 – 2025
2 documented issues
Lexus RX (AL20)
2015 – 2022
4 documented issues 1 severe
Lexus NX
2014 – 2021
2 documented issues
Lexus IS (XE30)
2013 – 2021
3 documented issues
Lexus GS (Mk4)
2012 – 2020
2 documented issues
Lexus CT 200h
2011 – 2021
2 documented issues 1 severe
Lexus RX (AL10)
2009 – 2015
2 documented issues 1 severe
Lexus LS (Mk4)
2006 – 2017
3 documented issues 2 severe
Lexus IS (XE20)
2005 – 2013
3 documented issues 2 severe
Lexus GS (Mk3)
2005 – 2011
2 documented issues 1 severe
Brand-wide Lexus Problem Patterns
CT 200h and early IS models can suffer from EGR (Exhaust Gas Recirculation) clogging, leading to engine knocking and head gasket failure.
Older RX, GS, and LS models may experience brake actuator failure, which is a very expensive repair (often over £2,000).
Modern models (UX, NX Mk2, RX Mk5) are prone to 12V auxiliary battery drain, which can leave the car unable to start after just a few days of inactivity.
Infotainment systems on 2014–2019 models using the "Remote Touch" interface are often criticized for being difficult to use and prone to hardware glitches.
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