Equal-exposure complaint evidence and changes in the reported problem mix

2020 vs 2021 CHEVROLET SILVERADO 1500

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Share shifts show how a vehicle's problem mix changed. They do not measure reliability, and complaint counts are not normalized for sales volume.

First 71 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▲ 50.4% more reports in the equal exposure window

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Bars start at the neutral midpoint. Left means a smaller share; right means a larger share.

View component share data as a table

Component	2020 share	2021 share	Share change
ENGINE	24.9%	39.4%	▲ 14.5 pts larger share
SERVICE BRAKES	9.2%	3.5%	▼ 5.7 pts smaller share
STEERING	7.4%	3.2%	▼ 4.2 pts smaller share
FUEL SYSTEM	4.3%	2.7%	▼ 1.6 pts smaller share
VEHICLE SPEED CONTROL	2.2%	1.0%	▼ 1.1 pts smaller share
AIR BAGS	0.9%	1.8%	▲ 0.9 pts larger share
WHEELS	1.1%	0.5%	▼ 0.6 pts smaller share
VISIBILITY	1.1%	0.5%	▼ 0.6 pts smaller share
EXTERIOR LIGHTING	1.0%	0.5%	▼ 0.5 pts smaller share
TIRES	0.4%	not reported	▼ 0.4 pts smaller share
POWER TRAIN	24.3%	23.9%	▼ 0.4 pts smaller share
STRUCTURE	2.4%	2.8%	▲ 0.4 pts larger share
SEAT BELTS	0.4%	0.8%	▲ 0.3 pts larger share
ELECTRICAL SYSTEM	6.6%	6.9%	▲ 0.3 pts larger share
FORWARD COLLISION AVOIDANCE	0.9%	1.2%	▲ 0.3 pts larger share
LANE DEPARTURE	0.3%	0.1%	▼ 0.2 pts smaller share
PARKING BRAKE	0.3%	0.1%	▼ 0.2 pts smaller share
BACK OVER PREVENTION	0.1%	0.3%	▲ 0.1 pts larger share
SUSPENSION	1.6%	1.5%	▼ 0.0 pts smaller share
UNKNOWN OR OTHER	18.3%	16.4%	▼ 1.9 pts smaller share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

2020 12

Campaign components: AIR BAGS, ELECTRICAL SYSTEM, FUEL SYSTEM, GASOLINE, POWER TRAIN, SEAT BELTS, SERVICE BRAKES, HYDRAULIC, and TIRES

2021 8

Campaign components: AIR BAGS, ENGINE AND ENGINE COOLING, POWER TRAIN, and TIRES

NHTSA Consumer Complaints complaints · snapshot 2026-08-21