This model year has 822 processed complaint reports; ENGINE is the most frequently classified system at 45.7% of reports.
Federal telemetry verified ● Model-year dossier
2021 CHEVROLET SILVERADO 1500
Complaint-pattern analysis from publicly available NHTSA safety records.
1.0Reliability score / 10
System health index
Reliability telemetry
A normalized signal from documented incident volume and NHTSA crash or fire report flags.
Documented incidents822
Reports with crash / fire flags32
Flagged-report share3.89%
Primary reported systemENGINE
Crash and fire flags identify how a complaint was recorded by NHTSA. They do not establish that a reported component caused the event.
Data-based buyer guidance
Research carefully
Review the underlying reports, recall status, and service history before making a vehicle-specific decision.
Available adjacent years span 624–822 reports. This year has more reports than 2020 and 2022.
Before you buy
- Check open recalls using the vehicle identification number (VIN).
- Review the linked NHTSA reports for symptoms that match the vehicle you are considering.
- Ask for maintenance records and arrange an independent pre-purchase inspection.
This is a statistical research aid, not a mechanical diagnosis, failure prediction, or recommendation to buy or avoid a vehicle.
Component analysis
Most frequently reported systems.
ENGINE376 documented reports
45.7%POWER TRAIN235 documented reports
28.6%ELECTRICAL SYSTEM112 documented reports
13.6%OTHER / UNSPECIFIED72 documented reports
8.8%ENGINE / ENGINE COOLING58 documented reports
7.1%SERVICE BRAKES44 documented reports
5.4%STEERING41 documented reports
5.0%STRUCTURE28 documented reports
3.4%FUEL/PROPULSION SYSTEM26 documented reports
3.2%AIR BAGS20 documented reports
2.4%Show all 31 reported components
SUSPENSION16 documented reports
1.9%LATCHES/LOCKS/LINKAGES15 documented reports
1.8%FORWARD COLLISION AVOIDANCE10 documented reports
1.2%VEHICLE SPEED CONTROL10 documented reports
1.2%WHEELS8 documented reports
1.0%SEAT BELTS7 documented reports
0.9%EXTERIOR LIGHTING6 documented reports
0.7%VISIBILITY/WIPER6 documented reports
0.7%HYDRAULIC4 documented reports
0.5%TIRES3 documented reports
0.4%BACK OVER PREVENTION3 documented reports
0.4%ELECTRONIC STABILITY CONTROL (ESC)2 documented reports
0.2%FUEL SYSTEM2 documented reports
0.2%SEATS2 documented reports
0.2%EQUIPMENT1 documented reports
0.1%TRACTION CONTROL SYSTEM1 documented reports
0.1%PARKING BRAKE1 documented reports
0.1%DIESEL1 documented reports
0.1%VISIBILITY1 documented reports
0.1%LANE DEPARTURE1 documented reports
0.1%GASOLINE1 documented reports
0.1%What the data says
ENGINE is the most frequently classified component, appearing in 45.7% of complaint reports in this dataset. This 2021 CHEVROLET SILVERADO 1500 has 822 complaint reports in the records we have processed. One report can be classified under more than one component, so component shares do not add up to 100%.
Compare model years
These nearby model years have 2020: 728 reports · 2022: 624 reports. Complaint totals are not failure rates and should be read with vehicle age, sales volume, and reporting patterns in mind.