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2024 GMC Hummer EV SUV Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026·Ryan Davis

Overall Score

6.9/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • Electrical system failures, including issues with the Super Cruise system and charging modules, are the most frequent complaints.
  • Service brake problems, such as unexpected deceleration and loss of control, pose significant safety risks.
  • The vehicle clusters complaints at very low mileage, suggesting potential early-life defect realization.
  • Despite a low recall count, a high TSB count indicates ongoing development and potential for software-related issues.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2024 GMC Hummer EV SUV

The 2024 GMC Hummer EV SUV is an electric titan, offering extreme off-road prowess and blistering acceleration. As a used proposition, its early-life reliability is the primary consideration. The vehicle's electrical system and service brakes have been focal points for owner complaints, often manifesting at low mileage. While its unique capabilities are undeniable, potential buyers must weigh these against documented issues and a below-average reliability verdict.

Critical Failure Risk

Failures in the electrical system are the most frequently reported issue, impacting various functions from infotainment to critical driving systems like Super Cruise. This can include unexpected shutdowns or malfunctions.

Early detection can help you avoid a $500-$5,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls1
Service Bulletins0
Full Recall History →

Owner Complaints

10
Electrical System3
Detailed Issue Breakdown →

Performance & Efficiency

Horsepower
570–830HP
Torque
7,400–11,500 lb–ftLB-FT
Fuel Efficiency
Combined
53
MPG
City
59
MPG
Highway
48
MPG
Full Vehicle Specifications ↓

Reliability

8.9/ 10

Practicality

9.2/ 10

The score is supported by solid day-to-day usability signals.

Buyer Fit

Who This Car Is For

Best for

Enthusiasts seeking unparalleled off-road capability in an electric package.

+2 more buyer-fit notes in the full report

Avoid if

Drivers prioritizing absolute reliability and minimal unscheduled repairs.

+2 more buyer-fit warnings in the full report

2024 GMC Hummer EV SUV Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2024 GMC Hummer EV SUV.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects
Specs

Vehicle Specs

Fuel Type
Electricity
Seating Capacity
5
Horsepower
570-830 hp
Torque
7,400-11,500 lb-ft
Transmission
Automatic (A1)
Drivetrain
All-Wheel Drive
Body Style
Suv
MSRP Range
$79,995 - $138,000
EPA Combined MPG
53

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Most Common Issues

1. Electrical System

Most reported

Usage: 3 reports

2. Braking System

Usage: 2 reports

See all common issues in the maintenance guide

First Service Interval

- Tire Rotation and Inspection (Parts: Tire Pressure Monitoring System (TPMS) Sensor Check) - Cabin Air Filter Replacement (Parts: Cabin Air Filter) - Brake System Inspection (Parts: Brake Fluid Level Check) - Coolant System Check (Parts: Battery Coolant Level Check)

Est. shop cost: $150 - $300

15,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist
Complete maintenance schedule (3 service intervals)
Repair forecasts with mileage and cost context
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
1 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2024 GMC Hummer EV SUV reliable?▾

The CarFocal Reliability Score for the 2024 GMC Hummer EV SUV is 8.9/10. Reliability score is 8.9/10. NHTSA recalls: 1. Owner complaints: 10.

How practical is the 2024 GMC Hummer EV SUV for daily use?▾

Practicality score is 9.2/10. The score is supported by solid day-to-day usability signals. EPA combined economy is 53 MPG. Seating capacity is 5. 4 passenger doors are listed. Boot capacity is 1016 litres.

What is the overall score for the 2024 GMC Hummer EV SUV?▾

The CarFocal Overall Score for the 2024 GMC Hummer EV SUV is 6.9/10. Overall score is 6.9/10 (Good). Confidence 55%. Maintenance 7.9/10. Practicality 9.2/10.

What does it cost to own and maintain a 2024 GMC Hummer EV SUV?▾

Based on Carfocal's data, First listed service: - Tire Rotation and Inspection (Parts: Tire Pressure Monitoring System (TPMS) Sensor Check) - Cabin Air Filter Replacement (Parts: Cabin Air Filter) - Brake System Inspection (Parts: Brake Fluid Level Check) - Coolant System Check (Parts: Battery Coolant Level Check) at 15,000 miles. Estimated first-year maintenance: $300 - $600. Repair prediction highlight: Electrical System (typical at 15,000 miles, estimated cost Min: $500 • Max: $5,000+).

What is the MSRP range for the 2024 GMC Hummer EV SUV?▾

MSRP range is $79,995 - $138,000.

What engine is in the 2024 GMC Hummer EV SUV?▾

Output is 570-830 hp • 7,400-11,500 lb-ft.

What transmission does the 2024 GMC Hummer EV SUV use?▾

According to CarFocal's specs for the 2024 GMC Hummer EV SUV, transmission is Automatic (A1). The paired drivetrain is All-Wheel Drive.

Does the 2024 Hummer EV SUV require Electricity gas?▾

Manufacturer fuel recommendation: Electricity.

What is the combined EPA MPG for the 2024 GMC Hummer EV SUV?▾

EPA combined estimate is 53 MPG.

What kind of powertrain does the 2024 GMC Hummer EV SUV use?▾

Powertrain classification is Battery Electric (BEV).

What driver assistance and safety features are available on the 2024 GMC Hummer EV SUV?▾

17 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

What is the fuel economy range for the 2024 GMC Hummer EV SUV?▾

According to CarFocal's specs for the 2024 GMC Hummer EV SUV, fuel economy range is 303-314 miles.

How many people fit in a 2024 GMC Hummer EV SUV?▾

According to CarFocal's specs for the 2024 GMC Hummer EV SUV, seating capacity is 5.

What body style is the 2024 GMC Hummer EV SUV?▾

According to CarFocal's specs for the 2024 GMC Hummer EV SUV, body style is suv.

What drivetrain does the 2024 GMC Hummer EV SUV use?▾

According to CarFocal's specs for the 2024 GMC Hummer EV SUV, drivetrain is All-Wheel Drive. Transmission is Automatic (A1).

What are the most common electrical system problems on the 2024 GMC Hummer EV SUV?▾

Top complaint category: electrical system (3 reports, 30% of complaints).

Are there open safety recalls on the 2024 GMC Hummer EV SUV?▾

This model year has 1 official safety campaigns listed.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

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