VehicleVerdict

2021 Chevrolet Silverado 6500 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 3 complaints on file for the 2021 Chevrolet Silverado 6500 — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.

3

NHTSA complaints

1

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2021 compare to other Silverado 6500 years?

Silverado 6500 NHTSA complaints by model year, 2021 highlighted3 complaints2019: 0 complaints2020: 0 complaints2021: 3 complaints2022: 0 complaints2023: 0 complaints2024: 1 complaints2025: 0 complaints
Silverado 6500 NHTSA complaints by model year, 2021 highlighted. Red bars are years to avoid.

See all Silverado 6500 years to avoid →

What are the most common 2021 Chevrolet Silverado 6500 problems?

ComponentComplaintsShare
Brakes267%
Lighting133%

Does the 2021 Chevrolet Silverado 6500 have recalls?

1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.

25V390000BrakesJune 12, 2025 · 62,468 units

Defect

General Motors (GM) is recalling certain 2019-2024 Chevrolet Silverado Medium Duty 4500HD, 5500HD, and 6500HD vehicles. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause a short circuit.

Consequence

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch wire harness, free of charge. Owner notification letters were mailed September 11, 2025. Owners may contact GM customer assistance number at 1-866-467-9700. GM's number for this recall is N242482680. Vehicles in this recall that were previously repaired under 23V266 will need to have the new remedy completed.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“brake line fitting leaking at the main line pressure fitting. this caused brake fluid to leak out and loss of brakes occured.”

Complaint filed with NHTSA · Brakes · January 13, 2023

“brake line fitting leaking at the main line pressure fitting. this caused brake fluid to leak out and loss of brakes occured.”

Complaint filed with NHTSA · Lighting · January 13, 2023

2021 Chevrolet Silverado 6500 — common questions

Is the 2021 Chevrolet Silverado 6500 reliable?

The record is thin — 3 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.

Does the 2021 Chevrolet Silverado 6500 have recalls?

Yes — NHTSA lists 1 recall campaign affecting the 2021 Chevrolet Silverado 6500. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.