THE WEEKLY DRIVER

AUTOMOTIVE NEWS, CAR REVIEWS, AND PODCAST

Reliability Database

GMC

Engine Reliability & Known Problems

Based on 34,334 NHTSA complaints. Updated August 2026.

17 Models
336 Engines Rated
38 Generations
34,334 NHTSA Complaints
Engine Ratings Overview
215 recommended 89 caution 32 avoid

Compact Sedan

5 models
Gmc Truck
1 generation · 8 engines
2003
8 recommended
L Series
1 generation · 24 engines
2003
20 recommended 3 caution 1 avoid
S Series
1 generation · 15 engines
2002
14 recommended 1 caution
S Utility
1 generation · 17 engines
2003
13 recommended 4 caution
T Series
1 generation · 10 engines
2002
9 recommended 1 caution

Midsize SUV

2 models
Acadia
3 generations · 17 engines
2007-20162017-20232024-2025
10 recommended 5 caution 2 avoid
Envoy
2 generations · 15 engines
20002002-2009
11 recommended 4 avoid

Pickup

2 models
Canyon
3 generations · 16 engines
2004-20122015-20222023-2026
7 recommended 6 caution 3 avoid
Sonoma
1 generation · 7 engines
2000-2004
2 recommended 3 caution 2 avoid

Full-Size Truck

2 models
Hummer EV
1 generation · 2 engines
2022-2025
2 recommended
Sierra 1500
5 generations · 78 engines
2000-20062007-20132014-20182019-20252026
50 recommended 22 caution 6 avoid

Compact SUV

2 models
Jimmy
1 generation · 8 engines
2000-2005
6 recommended 2 caution
Terrain
2 generations · 13 engines
2010-20172018-2025
5 recommended 8 caution

Van

1 model
Safari
4 generations · 18 engines
2000200120022003
9 recommended 5 caution 4 avoid

Full-Size Van

1 model
Savana
3 generations · 23 engines
200020012003-2025
12 recommended 9 caution 2 avoid

Heavy-Duty Truck

1 model
Sierra HD
3 generations · 21 engines
2007-20142015-20192020-2025
13 recommended 8 caution

Full-Size SUV

1 model
Yukon
5 generations · 44 engines
2000-20062007-20142015-20202021-20252026
24 recommended 12 caution 8 avoid
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