NHTSA // SAFETY RECORD
2021 Chevrolet Silverado 6500 Safety Record
The 2021 Chevrolet Silverado 6500 has not been crash-tested by NHTSA, so it carries no Safety Index. Its federal safety record shows 1 recall and 2 owner complaints on file.
Updated Oct 1, 2026 from NHTSA data · Reviewed by Ivanna Verstliar
CRASH
DATANot crash-tested
The 2021 Chevrolet Silverado 6500 presents a significant safety concern with an active recall campaign advising owners to park the vehicle outdoors due to a brake pressure sensor issue. This recall contributes to a "Heavy" burden band for both recalls and owner complaints in federal NHTSA data for this model year. Two owner complaints, both citing service brake problems, remain unverified by NHTSA. Prospective buyers and current owners should note this information. However, NHTSA has not crash-tested the 2021 Silverado 6500, meaning no star ratings are available and no Safety Index has been computed. The absence of this critical crashworthiness data prevents an assessment of the vehicle's performance in collision scenarios.
The 2021 Chevrolet Silverado 6500 was not crash-tested by NHTSA, carries a Heavy recall and complaint burden band, and has one active recall campaign involving the hydraulic brake system, according to NHTSA federal safety data.
MotorCaliber Safety Desk // NHTSA data, verified Oct 1, 2026
- shoppers who want the full federal safety picture in one place
| NHTSA crash test | Not crash-tested |
|---|---|
| Recall and complaint burden | Heavy |
| Recalls on file | 1 (includes park-outside) |
| Owner complaints | 2 (unverified allegations) |
| Data verified | Oct 1, 2026 |
ANALYSISHow safe is the 2021 Chevrolet Silverado 6500?
The 2021 Chevrolet Silverado 6500 enters the Heavy recall and complaint burden band. A single recall, concerning a brake pressure sensor, affects the 2019-2024 medium-duty Silverado HD lineup. This recall carries a "park outside" directive, a serious advisory from NHTSA indicating a non-trivial hazard. This brake system concern is reinforced by the two owner complaints for the 2021 model year, which also reference the braking system. No crash-test data is available for this specific model year or closely related sibling years within the tested dataset.
NHTSA // RECALLSDoes the 2021 Chevrolet Silverado 6500 have any recalls?
The 2021 Silverado 6500 carries one recall covering the hydraulic brake system, specifically a brake pressure sensor or switch that may fail to correctly detect low brake fluid. GM has issued a park-outside directive for affected vehicles, meaning owners are advised not to park this truck in an enclosed space until the remedy is completed. No other recall campaigns are listed for this model year.
SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT25V390000
Risk: 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 un
Reported 2025-06-12
NHTSA // COMPLAINTSWhat do owners report about the 2021 Chevrolet Silverado 6500?
NHTSA has received two owner complaints for the 2021 Silverado 6500. Both are unverified consumer allegations. The top reported component is service brakes, which accounts for both complaints, with exterior lighting also cited in one report. No crashes, fires, injuries, or deaths are alleged in these filings.
2 owner complaints on file. These are unverified allegations reported to NHTSA.
USED BUYERWhat should used buyers know about the 2021 Chevrolet Silverado 6500?
A park-outside recall for the brake pressure sensor affects the 2021 Silverado 6500. This is a material safety consideration; any transaction involving this vehicle should include a VIN check at nhtsa.gov to confirm the recall remedy.
- The 2021 Silverado 6500 has not been crash-tested by NHTSA, so no star ratings or Safety Index score exists for this model year.
- A park-outside directive is in effect for this model year due to a brake pressure sensor recall affecting the hydraulic brake system across the 2019-2024 medium-duty Silverado HD lineup.
- Both unverified owner complaints on file with NHTSA for this model year cite the service brake system, reinforcing the brake-related concern already flagged in the recall record.
- Owners and buyers should run the specific VIN through the NHTSA recall lookup at nhtsa.gov to determine whether the brake recall has been completed on that individual vehicle.
RANKINGSWhere the 2021 Chevrolet Silverado 6500 places
The 2021 Chevrolet Silverado 6500 qualifies for these MotorCaliber safety rankings:
FAQ2021 Chevrolet Silverado 6500 safety questions
Was the 2021 Chevrolet Silverado 6500 crash-tested by NHTSA?
No. NHTSA has not run a New Car Assessment Program crash test on this configuration, so it carries no Safety Index. Its safety record here is built from 1 recall and 2 owner complaints on file.
How many recalls does the 2021 Chevrolet Silverado 6500 have?
According to NHTSA recall data, 1 vehicle recall is on file for the 2021 Chevrolet Silverado 6500, including a park-outside or do-not-drive campaign, which is the most serious class of recall. Confirm your VIN at nhtsa.gov to see which apply to your car.
How many complaints have owners filed about the 2021 Chevrolet Silverado 6500?
According to NHTSA's complaint database, 2 owner complaints are on file for the 2021 Chevrolet Silverado 6500. These are unverified allegations submitted by owners, not confirmed defects.
Cross-check this record against independent expert reviews and the live NHTSA database before you buy.
Other Silverado 6500 years
- DATA Pulled directly from NHTSA: the recallsByVehicle and complaintsByVehicle records for the Chevrolet Silverado 6500 2021.
- SCORE This configuration was not crash-tested by NHTSA, so it carries no Safety Index. We report its recall and complaint record only.
- EDITED Written by the MotorCaliber Safety Desk and reviewed for accuracy and plain-language clarity by Ivanna Verstliar, Editor, against the source figures on this page.
- VERIFIED Data last synced Oct 1, 2026. Recalls change; confirm your VIN at nhtsa.gov/recalls. See our corrections policy and disclosure.