2021 GMC Sierra 3500 HD Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your 2021 GMC Sierra 3500 HD
GMC Sierra 3500 HD Overview
Repair Costs
Ownership Research
We don’t currently have enough data on the 2021 GMC Sierra 3500 HD to give you an accurate yearly maintenance cost. For details on the 2021 GMC Sierra 3500 HD, click here.
2021 GMC Sierra 3500 HD
2021 GMC Sierra 3500 HD
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Most Common 2021 GMC Sierra 3500 HD Problems

2021 GMC Sierra 3500 HD vehicles have 0 reported problems.The most commonly reported 2021 GMC Sierra 3500 HD problem is: GMC Sierra 3500 HD in-cabin exhaust smell issue
2021 GMC Sierra 3500 HD
GMC Sierra 3500 HD in-cabin exhaust smell issue
Some gmc sierra 3500 hd owners report experiencing in-cabin exhaust smells, which can be particularly concerning...
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GMC Sierra 3500 HD Repairs and Prices

GMC Sierra 3500 HD
Brake Light Switch Replacement
$111 - $139
GMC Sierra 3500 HD
Tire Pressure Monitoring System Relearn
$49 - $72
GMC Sierra 3500 HD
Stabilizer Bushing Replacement
$217 - $299
GMC Sierra 3500 HD
Electrical System Diagnosis
$122 - $179
GMC Sierra 3500 HD
Backup Warning System Sensor Replacement
$245 - $273
GMC Sierra 3500 HD
Fog Lamp Relay Replacement
$52 - $69
GMC Sierra 3500 HD
Emergency Brake Cable Replacement
$500 - $676
GMC Sierra 3500 HD
Steering Knuckle Replacement
$624 - $761
GMC Sierra 3500 HD
Suspension Control Arm Bushings Replacement
$331 - $489
GMC Sierra 3500 HD
Engine Oil Filter Adapter Replacement
$410 - $536
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GMC Sierra 3500 HD Reliability Rating
2023 GMC Sierra 3500 HD
2
1
2
Average
The GMC Sierra 3500 HD Reliability Rating is 2.5 out of 5.0, which ranks it 11th out of 17 for fullsize trucks. The average annual repair cost is $1,121 which means it has poor ownership costs. The frequency of repairs is average, but when issues do arise, they are more likely to be severe than with other models.
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2021 GMC Sierra 3500 HD Reviews
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Most Common 2021 GMC Sierra 3500 HD Questions
The GMC Sierra 3500 HD has 0 related questions.
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GMC Recalls

GMC Sierra 3500 HD vehicles have0known recent recalls.
The GMC has5 known total recalls. The most common GMC can be viewed below.
Recall 25V6190001 Model Affected
Side Roof Air Bags Do Not Properly Deploy1 Model Affected
Passenger Head Restraint Not Properly Secure2 Models Affected
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GMC Sierra 3500 HD by Year
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GMC Sierra 3500 HD Model Years

2021 GMC Sierra 3500 HD Estimates