THE WEEKLY DRIVER

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Reliability Database

Infiniti

Engine Reliability & Known Problems

Based on 6,465 NHTSA complaints. Updated April 2026.

10 Models
39 Engines Rated
18 Generations
6,465 NHTSA Complaints
Engine Ratings Overview
16 recommended 18 caution 5 avoid

Luxury Sedan

3 models
Q45
1 generation · 3 engines
2002-2006
2 recommended 1 caution
Q60
2 generations · 3 engines
2008-20152017-2022
1 recommended 2 caution
QX4
1 generation · 6 engines
2000-2003
4 recommended 2 caution

Compact SUV

3 models
QX30
1 generation · 1 engine
2017-2019
1 caution
QX50
2 generations · 3 engines
2008-20172019-2025
1 recommended 2 caution
QX70
2 generations · 3 engines
2003-20082009-2017
1 recommended 1 caution 1 avoid

Midsize Sedan

1 model
Q50
3 generations · 8 engines
2003-20062007-20132014-2025
4 recommended 1 caution 3 avoid

Full-Size Sedan

1 model
Q70
2 generations · 6 engines
2006-20102011-2019
2 recommended 4 caution

Midsize SUV

1 model
QX60
2 generations · 2 engines
2013-20202022-2025
1 caution 1 avoid

Full-Size SUV

1 model
QX80
2 generations · 4 engines
2004-20102011-2024
1 recommended 3 caution
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