General Motors
GM 14-module truck pack (119 kWh: 2026 Silverado EV and Sierra EV Standard Range)
Lithium-ion cells from Ultium Cells (GM / LG Energy Solution joint venture) · 119 kWh · used in 2 model variants.
Pack reference
Pack overview
Known issues
How this pack ages (industry context)
Industry fleet aggregates: 2.3% average annual capacity loss across 22,700 EVs / 21 models (Geotab, 2026), and 95% range retention at 5 years on average across 30,000+ vehicles (Recurrent, 2026).
OEM warranty floor on this pack: 8 yr / 100k mi to 75% capacity.
Public per-pack degradation curves are not available for most models. Individual results vary materially with climate, charging behavior, and DC fast-charge frequency.
Vehicles using this pack
Battery-Related NHTSA Recalls
Recalls affecting battery, charging, electric propulsion, or thermal-event systems on vehicles using this pack, as of the last complaint-data run. Each campaign names the model generation it was filed against; the summary gives the model years covered.
General Motors, LLC is recalling certain 2026 Cadillac Escalade IQ, Escalade IQL, GMC Sierra EV, Chevrolet Silverado EV, and 2022 GMC Hummer EV Pickup vehicles. The high voltage battery may have an improperly secured internal module component.
Consequence: A loose component may move and damage the high voltage battery, increasing the risk of a fire.
Filed against: Chevrolet Silverado 1500 2026-2026; GMC Sierra 1500 2026-2026
For TWD editorial coverage of major recall campaigns, see /recalls/.
Pack family
GM 14-module truck pack (119 kWh: 2026 Silverado EV and Sierra EV Standard Range) is part of the gm-ultium family. Related packs:
- GM Ultium 12-module pack (102 kWh: Lyriq, Blazer EV RWD and SS, Acura ZDX)
- GM Ultium 10-module pack (85 kWh: Equinox EV, Blazer EV LT and RS, Honda Prologue)
- GM 24-module truck pack (205 kWh: Hummer EV Pickup, Silverado EV, Sierra EV, Escalade IQ)
- GM 20-module truck pack (170 kWh: Hummer EV, Silverado EV, Sierra EV)
Frequently Asked Questions
What chemistry is the GM 14-module truck pack (119 kWh: 2026 Silverado EV and Sierra EV Standard Range)?
The GM 14-module truck pack (119 kWh: 2026 Silverado EV and Sierra EV Standard Range) uses Lithium-ion chemistry. Cells are supplied by Ultium Cells (GM / LG Energy Solution joint venture). Cell format: Large-format pouch. Pack architecture: 14 modules; 470 volts nominal as filed with EPA for 2026.
What is the warranty on this pack?
8 years or 100,000 miles, with capacity coverage to 75% of original. Specific terms vary by year and trim; check the manufacturer's warranty booklet for the exact vehicle.
How much does this pack degrade over time?
Industry-wide fleet aggregates show roughly 2.3% average annual capacity loss across 22,700 EVs (Geotab, 2026), with about 95% range retention at five years on average across Recurrent's 30,000+ vehicle fleet (2026). Public per-pack degradation curves are not available for most models. The GM 14-module truck pack (119 kWh: 2026 Silverado EV and Sierra EV Standard Range) battery warranty runs 8 years / 100,000 miles to a 75% capacity floor, which is the OEM-guaranteed minimum within that period. Individual results vary with climate, charging habits, and DC fast-charging frequency.
Which vehicles use the GM 14-module truck pack (119 kWh: 2026 Silverado EV and Sierra EV Standard Range)?
Chevrolet Silverado 1500 2026-2026 (Silverado EV only: Standard Range pack (WT, LT)); GMC Sierra 1500 2026-2026 (Sierra EV only: Standard Range pack (Elevation, Denali)).