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The GMC Sierra EV Driving Down a Winding Mountain Road Along the Coast

WHAT TO KNOW ABOUT EV CHARGING TIMES?

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Anyone who has used a smartwatch, wireless headphones or a cell phone with a rechargeable battery knows about how long the charge lasts. But do they know how long it takes to charge the battery? It’s the same with electric vehicles. It’s easy to concentrate on range but not think about charging time. So, how long does it take to charge an EV?

The simple answer? It depends on certain factors: the condition of the EV battery, the type and output of the charger, battery temperature, and more. Take a look below at the different types of chargers and where you might encounter them.

Close-up of a GMC EV Plugged in to an at Home Charging Station

EV CHARGING AT HOME

Level 2 chargers use 208–240-volt service and are typically located at a properly equipped home, in some workplaces and certain public spaces, like parking garages and in shopping centers. They can easily charge your electric vehicle overnight, so you can wake up to a full charge,* depending on the model, trim and charging equipment.

GMC EV drivers can plug into fast Level 2 home charging with the GM PowerUp 2 and even faster home charging with the GM Energy PowerShift Charger, which also can turn certain properly equipped GM EVs into a source of backup power during a blackout — when your home is properly equipped.*

Close-up of a Man Charging his GMC EV at a Public EV Charging Station

EV CHARGING ON THE GO

DC Fast Chargers* are designed to be the quickest EV charging option. They use 400–1,000-volt DC service to charge compatible electric vehicles while you are away from home. You will see these charging stations at rest stops, grocery stores and even select gas stations. To help you charge more efficiently, bring your battery to the optimal temperature prior to DC Fast Charging. The myGMC mobile app* will automatically precondition your battery when you select a DC Fast Charger as your destination. Simply precondition your battery approximately 30 minutes* before you begin charging, especially in extreme temperatures, to get the most out of every charge.

GMC EV drivers have access to over 250,000 public chargers in the U.S, and Canada, including more than 20,000 Tesla* Superchargers. Simply use the myGMC* app to activate your access to a network of Tesla Supercharger locations across North America and order a GM-approved NACS DC adapter.

Go to the EV Charging page to see a listing of estimated charging times for GMC electric pickups and SUVs.   

GMC SIERRA EV AND HUMMER EV CHARGING TIMES

Here are the charging times for GMC Sierra EV and HUMMER EV pickups and SUVs using Level 2 and DC Fast Chargers.

GM ENERGY POWERSHIFT LEVEL 2 CHARGING

AVAILABLE GM ENERGY POWERSHIFT LEVEL 2 CHARGING STATION MILES PER HOUR OF CHARGING — 19.2 kW/80 AMPS

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HUMMER EV PICKUP

2023
HUMMER EV EDITION 1 PICKUP

Approximately 16 miles per hour*

11.5 kW max

2024
HUMMER EV 2x and 3x PICKUP

Approximately 30 miles per hour*

19.2 kW max

2025
HUMMER EV 2x and 3x PICKUP with available 20-module battery pack

Approximately 31 miles per hour*

2025
HUMMER EV 2x and 3x PICKUP with available 24-module battery pack

Approximately 29 miles per hour*

HUMMER EV SUV

2024
HUMMER EV 2 SUV

Approximately 29 miles per hour*

2024
HUMMER EV EDITION 1 and 3x SUV

Approximately 30 miles per hour*

2025
HUMMER EV 2x and 3x SUV

Up to 31 miles per hour*

SIERRA EV

2024
SIERRA EV DENALI EDITION 1

Up to 34 miles per hour

2025
SIERRA EV DENALI

Up to 36 miles per hour with Max Range Battery*

Up to 38 miles per hour with Extended Range Battery*

GM ENERGY POWERUP 2 LEVEL 2 CHARGING

AVAILABLE GM POWERUP 2 LEVEL 2 CHARGING STATION MAX MILES PER HOUR OF CHARGING* — 11.5 kW/48 AMPS/240 VOLTS

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HUMMER EV PICKUP

2023
HUMMER EV EDITION 1 PICKUP

Approximately 16 miles per hour*

2024
HUMMER EV 2x and 3x PICKUP

Approximately 19 miles per hour*

2025
HUMMER EV 2x and 3x PICKUP

Up to 18 miles per hour*

HUMMER EV SUV

2024
HUMMER EV EDITION 1, 2x, and 3x SUV

Approximately 18 miles per hour*

2025
HUMMER EV 2x and 3x SUV

Up to 18 miles per hour*

SIERRA EV

2024
SIERRA EV DENALI EDITION 1

Up to 21 miles per hour

2025
SIERRA EV DENALI

Up to 22 miles per hour*

MAX LEVEL 2 CHARGING

AVAILABLE MAX LEVEL 2 CHARGING STATION (240 VOLTS/19.2 kW)

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HUMMER EV PICKUP

2023
HUMMER EV EDITION 1 PICKUP

Approximately 16 miles per hour*

Maximum available Level 2 charging capability up to 11.5 kW

2024
HUMMER EV 2x and 3x PICKUP

Approximately 30 miles per hour*

Maximum available Level 2 charging capability up to 11.5 kW

2025
HUMMER EV 2x and 3x PICKUP with a 20-module battery pack

Up to 29 miles per hour*

HUMMER EV SUV

2024
HUMMER EV 2 SUV

Approximately 29 miles per hour*

Maximum available Level 2 charging capability up to 11.5 kW

2024
HUMMER EV EDITION 1 and 3x SUV

Approximately 30 miles per hour*

Maximum available Level 2 charging capability up to 11.5 kW

2025
HUMMER EV 2x and 3x SUV

Up to 31 miles per hour*

SIERRA EV

2024
SIERRA EV DENALI EDITION 1

Up to 34 miles per hour

2025
SIERRA EV DENALI

Up to 36 miles per hour with Max Range Battery*

Up to 38 miles per hour with Extended Range Battery*

DC FAST CHARGING

MAX DC FAST CHARGING

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HUMMER EV PICKUP

2023
HUMMER EV EDITION 1 PICKUP

Up to 100 miles in 12 minutes*

350 kW max with a compatiblle DC fast charger

2024
HUMMER EV 3x PICKUP with available 24-module battery pack

Up to 100 miles in 14 minutes*

350 kW max with a compatiblle DC fast charger

2024
HUMMER EV 2x and 3x PICKUP with 20-module battery pack

Up to 100 miles in 11 minutes*

350 kW max with a compatiblle DC fast charger

2025
HUMMER EV 2x and 3x PICKUP with 20-module battery pack

Up to 83 miles in 10 minutes*

2025
HUMMER EV 3x PICKUP with 24-module battery pack

Up to 93 miles in 10 minutes*

HUMMER EV SUV

2024
HUMMER EV EDITION 1, 2x, and 3x SUV

Up to 100 miles in 14 minutes*

300 kW max with a compatiblle DC fast charger

2025
HUMMER EV 2x and 3x SUV

Up to 84 miles in 10 minutes*

with a compatiblle DC fast charger

SIERRA EV

2024
SIERRA EV DENALI EDITION 1

Up to 100 miles in 10 minutes*

2025
SIERRA EV DENALI

Up to 102 miles in 10 minutes with Extended Range Battery*

Up to 116 miles in 10 minutes with Max Range Battery*

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