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2024 GMC Sierra 3500HD

Heavy-duty pickup
0 EPA-rated configurations
Data refreshed 2026-10-26

Safety Signal

72 / 100 from the NHTSA recall record

Recalls1 critical 3

Complaints1 fire · 1 injured reported 50

Crash ratingnot rated by NHTSA —

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016

The 2024 GMC Sierra 3500HD is a pickup truck; vehicles over 8,500 lb GVWR are not certified for fuel economy by the EPA, so this page is built from NHTSA's recall, complaint and investigation records. NHTSA lists 3 recall campaigns for this model year, 1 rated critical, which gives it a Safety Signal grade of C. Owners have filed 50 complaints, most often about the electrical system.

GMC Sierra — photograph via Wikimedia Commons — GMC Sierra · Photo: Ethan Llamas · CC BY-SA 4.0 · Wikimedia Commons

Specs & fuel economy

Source: EPA fueleconomy.gov

No EPA fuel-economy record: the EPA does not certify vehicles over 8,500 lb GVWR. Recall, complaint and investigation data below come from NHTSA.

Specifications filed with NHTSA

Source: NHTSA vPIC

Dimensions Exterior

Body style	Pickup
GVWR class	Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)

Engine Basics

Cylinders	8
Displacement	6.6 L
Engine configuration	V-Shaped

Fuel Economy

Fuel	Diesel

Transmission

Drivetrain

4WD/4-Wheel Drive/4x4

Driver assistance

Standard: Adaptive cruise control, Anti-lock brakes, Automatic emergency braking, Backup camera, Blind-spot monitoring, Electronic stability control, Forward collision warning, Lane departure warning, Lane keeping assist, Parking assist, Pedestrian automatic emergency braking, Rear cross-traffic alert

Filed by the manufacturer with NHTSA under the federal vehicle-identification rule and decoded from the VIN pattern — not a manufacturer press kit, so it describes the configurations we could identify rather than every trim (seen: AT4, Denali, Denali Ultimate, SLE). Figures for the trim you are looking at may differ.

Dimensions & weight

Source: Transport Canada

Length	235.4–266.1 in
Width (body, without mirrors)	81.9 in
Height	79.9–80.7 in
Wheelbase	141.7–172.0 in
Track, front	67.3 in
Track, rear	68.1 in
Curb weight	6,338–7,172 lb
Weight distribution, front/rear	57/43

Measured by Transport Canada for its Canadian Vehicle Specifications database, which covers the North American versions of each model — here 14 configurations: Crew Cab L/Box Drw 2WD, Crew Cab L/Box Drw 4X4, Crew Cab L/Box Srw 2WD, Crew Cab L/Box Srw 4X4, Crew Cab M/Box 2WD, Crew Cab M/Box 4X4 …. Where a range is shown, those versions differ. Width is the body without mirrors, which is why it can read narrower than a brochure figure. Before we used it we checked it against the US manufacturer press kits we hold (27 Sep 2026): wheelbase agreed within 1% on every vehicle we could compare, length on 98%, and the curb weight fell inside the manufacturer's range on 96%. Source dataset. Contains information licensed under the Open Government Licence – Canada. Licence.

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Recalls (3)

Source: NHTSA recall database

▲high

Latches/Locks/Linkages

N242469160

131,231 vehicles 83% reported repaired

Problem General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado HD 2500, 3500, and GMC Sierra HD 2500, 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in Park. Risk An unlatched tailgate may open and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash. Fix Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed December 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N242469160. This recall is an expansion of NHTSA Recall 24V-060.

Filed with NHTSADefect report PDF Owner letter PDF Remedy instructions PDF

NHTSA campaign 24V894000 reported Nov 26, 2024 General Motors, LLC the full filing, and every vehicle covered →

▲high

Latches/Locks/Linkages

N232426400

570,434 vehicles 74% reported repaired

Problem General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park. Risk An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash. Fix Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232426400.

Filed with NHTSAOwner letter PDF Remedy instructions PDF

NHTSA campaign 24V060000 reported Feb 1, 2024 General Motors, LLC the full filing, and every vehicle covered →

!critical

Steering

N232414720

3,893 vehicles 97% reported repaired

Problem General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles. The steering gear shaft may fracture and disconnect from the steering arm. Risk A steering arm that disconnects may result in a total loss of steering control, increasing the risk of a crash. Fix Dealers will inspect and replace the steering gear, if necessary, free of charge. Owner notification letters were mailed September 22, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232414720.

Filed with NHTSAOwner letter PDF Remedy instructions PDF

NHTSA campaign 23V549000 reported Aug 3, 2023 General Motors, LLC the full filing, and every vehicle covered →

These are vehicle campaigns — the ones the automaker filed against this model. NHTSA also records equipment recalls, filed by a parts maker against a component (a tyre, a child seat, an aftermarket part), and those are not listed here or counted above. nhtsa.gov/recalls shows both for a VIN.

Whether any of this applies to one specific Sierra 3500HD

A campaign covers a build range, not a model year, so two identical-looking cars from 2024 can differ. Both of these check a VIN against the manufacturer’s own list, free, in about ten seconds. GMC publishes its own lookup because federal rule 49 CFR 573.15 requires it to, and to keep it current to within seven days.

NHTSA VIN check →GMC’s own VIN lookup →

Hear about a recall before the letter does

The manufacturer’s letter is the last step of a recall: it has up to 60 days after filing to mail owners, at the address on the registration. We email you the day NHTSA posts a recall on the 2024 GMC Sierra 3500HD, with what to do next. Nothing else, ever — no newsletter, no marketing, one-click unsubscribe in every message.

Owner complaints

Source: NHTSA complaint database

50complaints filed

0 involved a crash · 1 a fire · 1 injuries · 0 deaths reported

12 per 10,000 built · GMC reported 41,587 Sierra 3500HD built (its Early Warning production report to NHTSA)

Filed per year: 2023: 2 · 2024: 14 · 2025: 18 · 2026: 16

Most-cited components

Electrical System 15

Power Train 13

Service Brakes 11

Engine 9

Unspecified 7

Steering 5

In owners' own words

Filed with NHTSA by the people who own these cars, one per problem area. Quoted as written, with anything identifying removed.

The contact owns a 2024 GMC Sierra 3500. The contact stated while driving at approximately 60 MPH and towing a Forest River Riverstone Legacy 5th Wheel trailer, the brake pedal was depressed to slow for oncoming stopped traffic; however, the vehicle failed to respond as needed with the “Service Trailer Brake” warning light illuminated.

Electrical System at 20,000 miles Jul 9, 2025 NHTSA owner report · ODI 11672342

The contact owns a 2024 GMC Sierra 3500. The contact stated that while driving on the highway at 50 MPH, the vehicle lost automotive power and failed to exceed 50 MPH. The contact stated that the check engine warning light was illuminated.

Power Train at 36,000 miles May 13, 2025 NHTSA owner report · ODI 11660712

The contact owns a 2024 GMC Sierra 3500. The contact stated that while driving at various speeds, there was an abnormal knocking sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to a local dealer where it was diagnosed; however, the cause of the failure was not yet determined.

Engine at 100,000 miles May 1, 2025 NHTSA owner report · ODI 11658087

The Vader Chrome on the front of vehicle is peeling. This includes the grille and surrounding areas. This area has been inspected by a representative at GMC and at a dealership. GMC refuses to stand by their product

Structure Mar 18, 2025 NHTSA owner report · ODI 11648923

Breaks and/or drive train. It is available for inspection. 1) Breaks sink causing slowed break time and decreased breaking ability. If the breaks are "pumped", more often than not, they will come back up to full pedal. However, in an emergency breaking situation, there is not time to "pump" the breaks.

Service Brakes Dec 14, 2024 NHTSA owner report · ODI 11630713

since new there is a violent vibration in the steering wheel and floor boards. steering wheel oscillates side to side at speed from 38mph to very bad at 65mph. Dealer has had it 5 times and still cant fix it. they state the front hub extensions are out of round and have tried 3 sets without any success.

Steering Sep 22, 2024 NHTSA owner report · ODI 11615826

Complaint counts are raw owner reports to NHTSA, not verified defects, and scale with how many were sold. Use them to spot patterns, not to rank.

Reported by GMC itself: 12 death-or-injury claims on this model year in its quarterly Early Warning reports to NHTSA (49 CFR 579.21): 15 injured, as claimed, not verified — about 29 per 100,000 built. Every Sierra 3500HD model year, by year and system → Dated and by system, they are exhibit F of the defect dossier.

Crash ratings

Source: NHTSA NCAP

NHTSA has not published 5-Star crash ratings for this model year.

Service bulletins & campaigns

Source: NHTSA manufacturer communications

Extended coverage on file 1 filing by the manufacturer with NHTSA naming this model year

Term not in NHTSA’s summary · GM warranty extension 22-NA-244This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

The term and the vehicles it covers are the manufacturer’s, as NHTSA’s summary of each filing states them; a dealer checks one particular car by its VIN. Every GM warranty extension (33) → · Every warranty extension on file, all makes →

Communicationsfiled with NHTSA 844

Most recentmanufacturer date 2026-10-17

Kindsas classified by NHTSA 821 service bulletins, 20 service campaigns, 1 warranty extension

Most often about: Unknown Or Other, Electrical System, Engine, Equipment, Power Train.

PIC6602Y Service bulletin
2026-10-17 · Unknown Or Other
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6110L Service bulletin
2026-10-07 · Unknown Or Other
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
PIT6457C Service bulletin
2026-09-28 · Unknown Or Other
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIC6540K Service bulletin
2026-09-28 · Unknown Or Other
This Preliminary information communicates to dealers a procedure to reset the radio.
PIT5698F Service bulletin
2026-09-26 · Unknown Or Other
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
PIT6549 Service bulletin
2026-09-21 · Unknown Or Other
This preliminary information communicates an issue with a service column lock message and DTC U3000. Engineering is working on the issue and in the meantime dealerships are to reset/clear the DTC and perform four sleep cycles to verify the DTC does not return.
PIT6545A Service bulletin
2026-09-15 · Unknown Or Other
This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly.
PIC6629F Service bulletin
2026-09-10 · Unknown Or Other
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

A service bulletin is the manufacturer telling its dealers how to diagnose or repair a known condition. It is not a recall, not a finding that the vehicle is defective, and the work is not automatically free — though a bulletin is often what a dealer works from when you describe a symptom, so quoting the document number can save a diagnosis. The count is every communication filed; the list shows the most recent, one entry per campaign, because a single campaign is usually filed as several documents on the same day. The summaries are NHTSA's; the full documents come from the manufacturer.

Diagnostic trouble codes on file

Source: NHTSA manufacturer communications and complaints

Codes documented against this model year in the federal record. A code appearing here does not mean this vehicle will set it — it means the code is part of this nameplate-year's documented history.

Code	What it means	Most often filed under	Where it appears
P062B P062B on GMC →	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Unknown Or Other	13 bulletins
P0402	Too much exhaust gas is being recirculated.	Engine · EGR valve →	12 bulletins
C1114 C1114 on GMC →	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Service Brakes · Brake pads →	9 bulletins · 1 owner report
P0606 P0606 on GMC →	An internal processor fault in the engine control module.	Service Brakes · Brake pads →	7 bulletins
P062D	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Engine	7 bulletins
P2459 P2459 on GMC →	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Engine	7 bulletins
P060C P060C on GMC →	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Unknown Or Other	6 bulletins
P144E	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Engine	6 bulletins
P242B	Manufacturer-defined — the meaning is set by the automaker, not the standard.	Engine	6 bulletins
P0442 P0442 on GMC →	A small leak in the evaporative emissions system.	Engine · Gas cap →	5 bulletins
P0446 P0446 on GMC →	A fault in the evaporative vent control circuit.	Engine · EVAP vent valve →	5 bulletins
P0449 P0449 on GMC →	A fault in the evaporative vent valve or solenoid circuit.	Engine · EVAP vent valve →	5 bulletins

Generic codes (the second character is 0 or 2) mean the same thing on every vehicle sold in the United States. Manufacturer-specific codes (1 or 3) mean whatever the automaker assigned, and no honest source can define them for you — which is why the ones here carry the evidence instead of a definition. A code is a link when enough separate federal documents name it across the catalogue to be worth a page of its own; the rest are listed here, where the vehicle is the context that makes them mean something.

At the New York inspection station

Source: New York State DMV

New York inspections 0.40%

failed the safety inspection

253 initial inspections of 250 vehicles.

Measure	The 2024 Sierra 3500HD	Every 2024 vehicle	Behind it
Failed the safety inspection	0.40%	0.74%	253
Air-bag warning lamp stayed lit	0.79%	0.17%	253
Miles driven a year	13,270	9,424	odometer at inspection
Average odometer	30,341	21,104	odometer at inspection

Fewer than 200 emissions tests are on file for it, so no emissions rate is shown. First inspections only, so a car that failed and came back is counted once; private and special plates, not taxis, livery or commercial plates. A rate appears only where at least 200 inspections stand behind it. “Every 2024 vehicle” is every 2024 model-year car, SUV and pickup inspected in the same window, all makes. This is the state’s record of test results, not a reliability score by itself. Source: New York State Department of Motor Vehicles, Vehicle Inspections (data.ny.gov, Open NY terms).

Sierra 3500HD by model year

all years, side by side →

Year Safety Recalls Complaints

2026 B 2 5 2025 A 1 17 2024 this page C 3 50 2023 A 1 28 2022 D 3 32 Park outside 2021 F 5 20 Park outside 2020 F 8 51 2019 F 7 13 2018 F 6 14 2017 F 7 13 2016 F 7 19

Common questions about the 2024 Sierra 3500HD

Source: EPA, NHTSA and manufacturer press kits

Does the 2024 GMC Sierra 3500HD have any recalls?

NHTSA has posted 3 recall campaigns for the 2024 GMC Sierra 3500HD, 1 of them rated critical. The most serious on file is 23V549000, covering Steering. Check your own VIN at nhtsa.gov/recalls; a recall applies to specific build ranges, not every car.

How safe is the 2024 GMC Sierra 3500HD?

NHTSA has not published a crash-test rating for the 2024 GMC Sierra 3500HD yet. On the recall record WhichTrim grades it C (72/100), which measures open and severe recalls rather than crash protection.

What are the dimensions of the 2024 GMC Sierra 3500HD?

Transport Canada measured it at 235.4–266.1 in long, 81.9 in wide (body, without mirrors), 79.9–80.7 in tall, on a 141.7–172.0 in wheelbase. Curb weight: 6,338–7,172 lb depending on configuration. Those are its measurements of the North American versions; every figure is in the table above.

What do owners complain about on the 2024 GMC Sierra 3500HD?

Owners have filed 50 complaints with NHTSA about the 2024 GMC Sierra 3500HD, most often about electrical system, power train, service brakes. Of those, 1 a fire, 1 reported injuries. Complaints are unverified owner reports, so treat the pattern as a signal and the individual report as an anecdote.

Are there service bulletins for the 2024 GMC Sierra 3500HD?

The manufacturer has filed 844 service bulletins and related communications with NHTSA for the 2024 GMC Sierra 3500HD, most often covering unknown or other, electrical system, engine. The most recent is dated 2026-10-17. A bulletin is not a recall: it is the repair procedure a manufacturer sends its dealers for a condition it knows about, and the work is not automatically paid for. It is still worth knowing — if the symptom matches, quoting the bulletin number at the service desk can save a diagnosis. The document numbers and summaries are listed above.

How does the 2024 GMC Sierra 3500HD do at state inspection?

In New York’s inspection lanes over the 12 months to Oct 10, 2026, the 2024 GMC Sierra 3500HD failed the safety inspection on 0.40% of first inspections — lower than the 0.74% for every 2024 model-year vehicle inspected. The figures are New York State DMV’s own inspection records, first inspections only, and the table above sets each one against every vehicle of the same model year.

What we hold, and what an empty row means

Paid vehicle-history reports will not tell you the difference between “nothing happened to this car” and “we never received that record” — both of the big two say as much in their own help pages. Most of what is on this page comes from complete federal registers, so we can tell you which is which, row by row.

Data	Held	Source	What it covers — or what empty means
Fuel economy & configurations	none	EPA certification records	The EPA does not certify vehicles rated over 8,500 lb GVWR, so heavy-duty nameplates have no entry at all.
Emission certificates	none	EPA emission certificates	The EPA published no certificate we could match to a configuration on this page.
Recalls	3	NHTSA recall campaigns	A complete federal register: every campaign covering this model year, with severity and advisory flags.
Owner complaints	50	NHTSA complaint database	Also complete, but unverified: these are reports owners filed, not findings. Counts scale with how many were sold.
Crash ratings	none	NHTSA NCAP	NHTSA has not tested this model year. Cars are selected for testing, so untested is not unsafe.
Service bulletins	844	NHTSA manufacturer communications	Everything the manufacturer told its dealers about a defect or malfunction, short of a recall.
Investigations	none	NHTSA Office of Defects Investigation	No defect investigation has been opened.
Driver-assist crash reports	none	NHTSA Standing General Order 2021-01	No report has been filed. Only entities named in the order report, and only crashes they hear of — so this is also what an unequipped car, or a manufacturer without telematics, looks like.
Specifications filed with NHTSA	7 fields	NHTSA vPIC, decoded from VIN patterns	What the manufacturer filed under the federal VIN rule — a configuration, not the full trim ladder.
Measured dimensions	7 fields	Transport Canada, Canadian Vehicle Specifications	Length, width, height, wheelbase, track and curb weight, measured on the North American versions.
Trims, pricing & equipment	none	Manufacturer press kit	We have not transcribed a press kit for this model year yet. This is our gap, not the manufacturer's — the one row here where an empty cell means we are behind.

Rebuilt nightly; this page was generated 2026-10-26. Every figure above is traceable to the source named beside it, and the JSON for this page carries the same values with their identifiers.

Sources & method

Safety Signal starts every model-year at 100 and subtracts points per open NHTSA recall campaign by severity: critical 15 (fire risk, park-outside or do-not-drive advisories), high 8 (brakes, steering, airbags, loss of drive power, structure, battery), moderate 6, minor 3 (software, labels, lighting fixed by an update). The most serious recall counts in full and each further one counts 85% of the one before, because a vehicle sold in millions is recalled more often than a rare one without being more dangerous — and because a flat subtraction bottomed the scale out, scoring a vehicle with 22 recalls within a point of one with six. A ≥ 90, B ≥ 80, C ≥ 70, D ≥ 60, otherwise F. Read it as what it counts: recall campaigns on the federal record, weighted by severity. The damping reduces the sales bias by roughly 40% but does not remove it: like our complaint counts, this is not normalized by how many were sold, so a best-seller still scores somewhat worse than an obscure model with the same real risk. NHTSA crash ratings, do-not-drive and park-outside advisories, and the crash, fire, injury and death counts in owner complaints are reported separately on every page and never blended into the letter — a vehicle can hold five stars and a poor letter at once, and where that happens we say so rather than leave you to notice. Because the scale subtracts from a clean sheet, a model year too new to have been recalled, complained about or bulletined scores full marks on an empty record; we label those grades provisional rather than present them as earned.

EPA figures come from fueleconomy.gov vehicle records. Recalls, complaints, investigations and crash ratings come from NHTSA's public flat files, refreshed nightly.

JSON for this page · API

2024 GMC Sierra 3500HD

Specs & fuel economy

Specifications filed with NHTSA

Dimensions Exterior

Engine Basics

Fuel Economy

Transmission

Driver assistance

Dimensions & weight

The cheapest ownership win

Recalls (3)

Latches/Locks/Linkages

Latches/Locks/Linkages

Steering

Whether any of this applies to one specific Sierra 3500HD

Hear about a recall before the letter does

Parts & accessories for the 2024 GMC Sierra 3500HD

Owner complaints

Most-cited components

In owners' own words

Crash ratings

Service bulletins & campaigns

Diagnostic trouble codes on file

At the New York inspection station

failed the safety inspection

Sierra 3500HD by model year

Common questions about the 2024 Sierra 3500HD

Does the 2024 GMC Sierra 3500HD have any recalls?

How safe is the 2024 GMC Sierra 3500HD?

What are the dimensions of the 2024 GMC Sierra 3500HD?

What do owners complain about on the 2024 GMC Sierra 3500HD?

Are there service bulletins for the 2024 GMC Sierra 3500HD?

How does the 2024 GMC Sierra 3500HD do at state inspection?

What we hold, and what an empty row means

Where to go next

Sources & method