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Reliability Database

Lexus

Engine Reliability & Known Problems

Based on 12,424 NHTSA complaints. Updated April 2026.

16 Models
142 Engines Rated
35 Generations
12,424 NHTSA Complaints
Engine Ratings Overview
89 recommended 36 caution 17 avoid

Midsize Sedan

3 models
ES
5 generations · 22 engines
2000-20012002-20062007-20122013-20182019-2025
14 recommended 4 caution 4 avoid
GS
3 generations · 15 engines
2000-20052006-20112012-2020
8 recommended 6 caution 1 avoid
IS
3 generations · 16 engines
2001-20052006-20132014-2025
9 recommended 6 caution 1 avoid

Luxury Sedan

3 models
HS
1 generation · 3 engines
2010-2012
1 recommended 2 caution
RZ
1 generation · 1 engine
2023-2025
1 recommended
SC
1 generation · 3 engines
2002-2010
2 recommended 1 caution

Compact SUV

3 models
NX
2 generations · 7 engines
2015-20212022-2025
4 recommended 1 caution 2 avoid
TX
1 generation · 2 engines
2024-2026
1 recommended 1 caution
UX
1 generation · 4 engines
2019-2025
3 recommended 1 caution

Midsize SUV

2 models
GX
3 generations · 8 engines
2003-20092010-20232024-2026
6 recommended 2 caution
RX
5 generations · 25 engines
2000-20032004-20092010-20152016-20222023-2025
11 recommended 8 caution 6 avoid

Sports Car

2 models
LC
1 generation · 3 engines
2018-2025
3 recommended
RC
1 generation · 4 engines
2015-2025
3 recommended 1 avoid

Compact Sedan

1 model
CT
1 generation · 3 engines
2011-2017
2 recommended 1 avoid

Full-Size Sedan

1 model
LS
3 generations · 18 engines
2001-20062007-20172018-2025
14 recommended 3 caution 1 avoid

Full-Size SUV

1 model
LX
3 generations · 8 engines
2000-20072008-20212022-2025
7 recommended 1 caution
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