THE WEEKLY DRIVER

AUTOMOTIVE NEWS, CAR REVIEWS, AND PODCAST

Reliability Database

Buick

Engine Reliability & Known Problems

Based on 12,805 NHTSA complaints. Updated April 2026.

16 Models
97 Engines Rated
20 Generations
12,805 NHTSA Complaints
Engine Ratings Overview
60 recommended 17 caution 20 avoid

Compact SUV

4 models
Encore
1 generation · 2 engines
2013-2022
1 recommended 1 avoid
Encore GX
1 generation · 2 engines
2020-2025
1 recommended 1 caution
Envision
2 generations · 3 engines
2016-20202021-2025
1 recommended 2 caution
Envista
1 generation · 1 engine
2024-2025
1 avoid

Full-Size Sedan

4 models
LaCrosse
2 generations · 22 engines
2005-20092010-2019
15 recommended 3 caution 4 avoid
LeSabre
1 generation · 10 engines
2000-2005
9 recommended 1 avoid
Lucerne
1 generation · 7 engines
2006-2011
3 recommended 4 avoid
Park Avenue
1 generation · 5 engines
2000-2005
4 recommended 1 avoid

Compact Sedan

2 models
Cascada
1 generation · 1 engine
2016-2019
1 caution
Verano
1 generation · 5 engines
2012-2017
3 recommended 1 caution 1 avoid

Midsize Sedan

2 models
Century
1 generation · 6 engines
2000-2005
4 recommended 2 caution
Regal
2 generations · 6 engines
2011-20172018-2020
2 recommended 2 caution 2 avoid

Midsize SUV

2 models
Rainier
1 generation · 3 engines
2004-2007
1 caution 2 avoid
Rendezvous
1 generation · 9 engines
2002-2007
7 recommended 1 caution 1 avoid

Full-Size SUV

1 model
Enclave
2 generations · 11 engines
2008-20172018-2025
8 recommended 2 caution 1 avoid

Minivan

1 model
Terraza
1 generation · 4 engines
2005-2007
2 recommended 1 caution 1 avoid
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