2024 GMC Hummer
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2024 GMC Hummer is worth — from official NHTSA and EPA data. 3 on record.
2024 GMC Hummer at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2024 GMC Hummer recalls 2
General Motors, LLC (GM) is recalling certain 2024 Cadillac Lyriq, Chevrolet Blazer EV, Chevrolet Silverado EV, GMC Hummer EV SUV, and GMC Sierra EV vehicles. The electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in a loss of drive power.
Fix: Dealers will replace the rear drive unit, free of charge. Owner notification letters were mailed May 16, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; Hummer customer service at 1-800-732-5493; or GMC customer service at 1-800-46…
General Motors, LLC (GM) is recalling certain 2023-2024 GMC Hummer EV pick up, 2024 GMC Hummer EV SUV, and 2024 Chevrolet Silverado EV vehicles. The left or right front seat belt buckle attachment bolts may not be tightened properly.
Fix: Dealers will tighten the left and right front seat belt buckle attachment bolts, free of charge. Owner notification letters were mailed December 21, 2023. Owners may contact GMC customer service at 1-833-EVCHEVY (1-833-382-4389) (TTY 711 / 1-800-833-2438) /1-833-HUMMER-EV (1-833-486-6373) (TTY 711 …
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2024 GMC Hummer efficiency & running costs
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 8 versions of this model year; combined is shown as a range and the other figures are averages.
Estimated 5-year cost to own
A rough guide to what running a 2024 GMC Hummer costs over five years and 75,000 miles.
How this is estimated: energy is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 2024 GMC Hummer — ranges cover the 2 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 232
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 232.
Customer Satisfaction Program. Certain vehicles listed above may have a condition in which remanufactured high voltage battery packs were built using modules that were ineligible for reuse and require a second replacement. Dealers will replace the high voltage…
Bulletin N262565450 · Electrical System · Oct 2026This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Bulletin PIC6602Y · Oct 2026This Preliminary information communicates how to resolve a issue where a vehicle is not receiving OTA updates
Bulletin PIT6557 · Oct 2026This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
Bulletin PIT6477D · Oct 2026This 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.
Bulletin PIT6457C · Sep 2026This Preliminary information communicates to dealers a procedure to reset the radio.
Bulletin PIC6540K · Sep 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
Bulletin PIT5698F · Sep 2026This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Bulletin PIC6629F · Sep 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Bulletin PIP4902W · Sep 2026This 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. Do not replace parts. Engine…
Bulletin PIT6545 · Sep 2026Source: NHTSA Office of Defects Investigation, listed for the HUMMER EV SUV. Model-year data, not specific to one car.
About the GMC Hummer
The GMC Hummer EV is a line of battery electric heavy-duty vehicles produced by General Motors since 2021, and sold under the GMC mark. The Hummer EV is offered in two variants: a pickup truck and a sport utility vehicle (SUV), unveiled in October 2020 and April 2021 respectively.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.