all vehicles · every Sierra year · method

GMC Sierra 2023

Safety complaints filed by owners in the first three years, per 1,000 sold.

1.22 per 1,000

2.5 times this nameplate’s own median · from 328 complaints filed in the first three years, of 548 ever. 95% lower bound 1.09.

Against its own model years

The model year carries far more information than the badge, so this is the comparison that matters.

Model year	Per 1,000	Complaints
2008	0.23	38
2009	0.19	27
2010	0.13	16
2011	0.24	33
2012	0.16	25
2013	0.19	33
2014	1.33	264
2015	1.13	247
2016	0.41	92
2017	0.52	114
2018	0.48	106
2019	0.80	181
2020	0.58	141
2021	0.45	113
2022	0.73	178
2023	1.22	328

What owners describe

Phrases over-represented in these complaints compared with the same component on every other vehicle. Counts are complaints containing the phrase.

Engine 215 complaints

truck	120	56%
passed	16	8%
propulsion	15	7%
control valve	14	7%
truck towed	14	7%
complete engine	14	7%

Power Train 125 complaints

truck	72	58%
valve	50	40%
body	42	34%
valve body	40	32%
reduced	20	16%
rear wheels	10	8%

Structure 91 complaints

grille	35	38%
deflector	25	27%
grille deflector	15	17%
front grille	15	17%
upper grille	10	11%

When it breaks

51% of reported failures happened before 30,000 miles (median 29,000 miles, from 57 complaints that recorded one).

No clear early or late pattern.

What NHTSA did

5 investigations covering this model year, 1 of which list a recall campaign. Owners had filed 237 complaints about this component over roughly 32 months before an investigation opened.

Loss of motive power due to engine failure

What owners and forums say

Not built yet. This panel is meant to carry community sentiment beside the filed-complaint data, so the two can be compared. Showing something weaker here would defeat its purpose.

Check this yourself

Example records behind this page:

11506426 · 11508226 · 11508802 · 11510444 · 11513606 · 11516652

Limits of this figure. It counts safety complaints filed with the federal government, which is a floor on failures and not a census: problems that only cost money are under-reported. Complaint rates also reflect how likely a brand’s owners are to file, which cannot be separated from how often the car fails. Sales are calendar-year and the denominator for this nameplate is automated checks only, not verified against an external source.