Which GM brand is most reliable?
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Leading the way among GM brands in this study are Buick and Cadillac, both of which experienced an average of 100 problems per 100 vehicles. Chevrolet lagged behind Buick and Cadillac with an average of 115 problems per 100 vehicles, although this was still well above the industry average 121 problems per 100 vehicles.
What is GM in quality?
We also maintain a Global Manufacturing System (GMS) that informs all aspects of our business and is even more rigorous than external standards. A focus of our quality assurance programs is “initial quality,” which refers to vehicle issues that customers may experience in the first months of ownership.
How reliable are GM vehicles?

GMC and Chevy SUVs are the bottom four overall options in the market. They also scored a worst-possible 1 out of 5 for predicted reliability. GM trucks and SUVs are some of the least reliable options available, according to Consumer Reports.
What is the most reliable Chevy motor?
Dependable Chevys: These are the Most Reliable Silverado Engines

- 6.0-Liter V-8 Hybrid.
- 6.0 L Vortec 6000 V8.
- 5.3-Liter V-8.
- 4.3-Liter V-6.
- 6.2-Liter V-8.
- Duramax 6.6-Liter Turbo-Diesel V-8.
How long do GM Motors last?
Chevy engines can last anywhere between 200,000 to 300,000 miles as long as they are properly maintained. This means that when taken care of, these engines should last anywhere from 13 to 20 years. According to users on one Chevy forum, engines can even last over 400,000 miles with religious maintenance and care.
When did GM start going bad?
People familiar with GM’s history know that the problem really started in the ’70s, but the company actually had a fighting chance to get things right during the ’80s. The victory of the bean counters in the late 1980s led to decades of continued quality issues, crappy designs, and ultimately the bankruptcy of 2009.
Who is better GMC or Chevy?
The Differences Generally speaking, GMC trucks are more for luxury users, while Chevrolet trucks are more for the average truck buyer. By aiming for two different markets, General Motors can reach more people without having their trucks compete against one another.