This 2021 model shows good reliability, primarily driven by a below-average recall rate for the CHEVROLET brand.
Key Factor:below-average recall rate
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Safety Alert
Safety Alert: This model has a higher recall frequency (2) than the average CHEVROLET vehicle (0.9). Owners should prioritize checking these components.
2 recalls for this vehicle0.9 avg. recalls per vehicle (brand)
πWhy This Matters
Understanding recall history helps predict future ownership costs. Each unaddressed issue represents potential repair expenses.
Insurance companies review vehicle reliability data when setting premiums. Models with elevated recall rates often see adjusted pricing.
Focus Area:general reliability
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Expert Analysis
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Recall Trend:No Change in recalls
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Primary Risk Area:Fire
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Vs Brand: Worse than avg (0.9)
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Summary:
Safety & Reliability Score
84/100
Score Breakdown
Recall Impact-16
Complaint Impact-0.05
Investigation Impact-0
Technical Specifications
Key specifications for the 2021 CHEVROLET 4500HD
Model Year2021
MakeCHEVROLET
Model4500HD
Fuel TypeGasoline
Body ClassPassenger Vehicle
Safety History Timeline
Jan21
NEWProduction
Jan21
RECALLRecall Issued
Jan21
RECALLRecall Issued
May23
ISSUEFirst Report
Consumer Complaint Analysis
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Most Reported Issue
1 complaints (100% of total)
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Complaint Trend
Stable
No trend data
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Safety Incidents
No critical incidents
Complaint Severity Distribution
Breakdown of 1 consumer complaints by severity level.
π High
1(100%)
Mileage Failure Analysis
βοΈEngineering Insight
Based on consumer reports, issues for this vehicle tend to peak around the 20k-40k mileage range. The average reported failure mileage is 37,632 miles.
π Mileage data extracted from 1 of 1 complaints (100% coverage)
0-20k
0 reports (0%)
20k-40k
1 reports (100%)
40k-60k
0 reports (0%)
60k-80k
0 reports (0%)
80k-100k
0 reports (0%)
100k+
0 reports (0%)
* Analysis based on mileage data extracted from consumer complaint descriptions. Actual failure rates may vary.
π οΈ DIY Diagnosis Center
Experiencing an issue? Select a symptom to find official manufacturer solutions (TSBs).
Primary Risk Areas
EQUIPMENTSERVICE BRAKES, HYDRAULIC
Official Safety Recalls (2)
Campaign: 22V874000
EQUIPMENT
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Summary
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet 4500HD/5500HD/6500HD vehicles. The hex flange lock nuts used in the suspension and steering joints, were improperly heat treated and may break.
Consequence
Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.
Remedy
Dealers will replace the hex flange lock nuts as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed December 27, 2022. Owner notification letters were mailed February 10, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222391080.
Additional Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Campaign: 23V266000
SERVICE BRAKES, HYDRAULIC
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Summary
General Motors. LLC (GM) is recalling certain 2019-2023 Chevrolet 4500HD, 5500HD, and 6500HD Medium-Duty trucks. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause an electrical 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 master cylinder pressure sensor and inspect the wire harness, replacing it, if necessary, free of charge. Owner notification letters were mailed July 11, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222375270.
Additional Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
NHTSA Investigations
0 investigations
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No active investigations for this vehicle.
Consumer Complaints
1 total complaints
Consumer-reported issues submitted to NHTSA for 2021 4500HD.
Common Reported SymptomsAI Analysis
Fire100%
Engine/Powertrainβ οΈ High
ENGINE
The contact owned a 2021 Chevrolet Silverado 4500HD. The contact stated while the vehicle was parked, the contact noticed that the front end of the vehicle under the hood was in flames. The fire department was able to extinguish the fire. No police report was filed. No one was injured. The vehicle was towed to the salvage lot. The vehicle was not diagnosed. The manufacturer was not contacted. The failure mileage was 37,632.
Frequently Asked Questions
Are there any recalls for the 2021 CHEVROLET 4500HD?
Yes, the 2021 CHEVROLET 4500HD has 2 recorded recalls from NHTSA. These recalls cover various components including EQUIPMENT, SERVICE BRAKES, HYDRAULIC.
Is the 2021 CHEVROLET 4500HD safe to drive?
The 2021 CHEVROLET 4500HD has 2 recalls. If you own this vehicle, check with your dealer to ensure all recall repairs have been completed. Most recalls have free remedies available.
Where can I check if my 2021 CHEVROLET 4500HD has open recalls?
You can check for open recalls by visiting NHTSA.gov and entering your Vehicle Identification Number (VIN), or by contacting your local CHEVROLET dealer.
πYear-over-Year Context
πImproving Trend
Compared to earlier years, the 2021 model shows improving reliability trends, largely due to manufacturing refinements addressing 2020 issues. Recall frequency decreased 60%.
π―Risk Areas & Recommended Actions
Based on recall data, these components require verification:
1
Equipment
Issue: increases crash or loss-of-control risk
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If you already own this vehicle: Contact your dealer immediately to confirm equipment recall is complete. Recall repairs are always free.
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If you are evaluating a used example: Request VIN and verify all equipment recalls are completed before purchase.
Campaign:22V874000
2
Service brakes, hydraulic
Issue: presents fire risk under certain conditions
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If you already own this vehicle: Contact your dealer immediately to confirm service brakes, hydraulic recall is complete. Recall repairs are always free.
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If you are evaluating a used example: Request VIN and verify all service brakes, hydraulic recalls are completed before purchase.
Campaign:23V266000
π‘Visit NHTSA.gov or contact your CHEVROLET dealer to verify recall completion status.
π§What This Means for You
Both current owners and prospective buyers benefit from reviewing this safety analysis before making decisions.
If you're unsure, we recommend starting with a VIN check or consulting a certified mechanic.
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If You Own This Vehicle
Verify all 2 recalls have been completed using your VIN at NHTSA.gov or through your CHEVROLET dealer.
If any recalls are open, schedule service immediatelyβrecall repairs are always free.
Consider setting up VIN-specific alerts to receive notification of future recalls.
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If You're Buying Used
Request the VIN before purchase and verify recall status at NHTSA.gov.
This model year shows favorable reliability metrics compared to alternatives.