What are the most common problems with the 2025 GMC Hummer EV SUV?

Severe early-life failures reported in **powertrain** and **safety systems** are the primary ownership concern.

How many recalls does the 2025 GMC Hummer EV SUV have?

The 2025 GMC Hummer EV SUV currently has 0 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2025 GMC Hummer EV SUV a good buy used?

Verdict: Proceed with caution. Severe early-life failures reported in **powertrain** and **safety systems** are the primary ownership concern. Inspect the **electrical system** thoroughly; it is the most common complaint area. Verify the integrity of **engine** and **fuel/propulsion systems** due to reported issues. While no recalls exist, 7 complaints point to potential underlying problems. The vehicle's **all-wheel-drive** system and **automatic transmission** are key components to assess. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2025 GMC Hummer EV SUV?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2025 GMC Hummer EV SUV.

2025 GMC Hummer EV SUV Report

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

Updated May 30, 2026Ryan Davis

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

Severe early-life failures reported in powertrain and safety systems are the primary ownership concern.
Inspect the electrical system thoroughly; it is the most common complaint area.
Verify the integrity of engine and fuel/propulsion systems due to reported issues.
While no recalls exist, 7 complaints point to potential underlying problems.

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Overview

2025 GMC Hummer EV SUV

The 2025 GMC Hummer EV SUV offers extreme capability in an electric package, but used car shoppers should approach with informed caution. Its electric powertrain delivers impressive performance, achieving an EPA estimated 47 MPG combined. However, a significant number of Technical Service Bulletins (61) and a concerning pattern of severe early-life failures reported in the electrical and powertrain systems warrant close scrutiny. While NHTSA has not issued recalls, the 7 logged complaints, including complete loss of power, steering, and brakes, indicate potential systemic weaknesses.

Critical Failure Risk

Reports indicate potential issues with the electrical system, leading to loss of power or other critical functions. This is the most frequent complaint category.

Early detection can help you avoid a $1,000-$5,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls0

Service Bulletins0

Full Recall History →

Owner Complaints

Electrical System2

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

Buyer Fit

Who This Car Is For

Best for

Enthusiasts seeking extreme off-road capability and electric power.

+2 more buyer-fit notes in the full report

Avoid if

Drivers prioritizing absolute reliability and minimal repair risk.

+2 more buyer-fit warnings in the full report

2025 GMC Hummer EV SUV Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Electricity
Transmission: Automatic (A1)
Drivetrain: All-Wheel Drive
Body Style: Suv
EPA Combined MPG: 47

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Most Common Issues

1. Electrical System

Most reported

Usage: 2 reports

2. ENGINE

Usage: 1 reports

See all common issues in the maintenance guide

First Service Interval

- Tire Rotation and Inspection (Parts: N/A) - Cabin Air Filter Replacement (Parts: Cabin Air Filter) - Brake System Inspection (Parts: Brake Fluid (DOT 4))

Est. shop cost: $100 - $200

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

Full safety recall details

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FAQ

Is the 2025 GMC Hummer EV SUV reliable?

The CarFocal Reliability Score for the 2025 GMC Hummer EV SUV is 8.9/10. Reliability score is 8.9/10. NHTSA recalls: 0. Owner complaints: 7.

How practical is the 2025 GMC Hummer EV SUV for daily use?

Practicality score is 5.0/10. EPA combined economy is 47 MPG.

What is the overall score for the 2025 GMC Hummer EV SUV?

The CarFocal Overall Score for the 2025 GMC Hummer EV SUV is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 8.0/10. Practicality 5.0/10.

What does it cost to own and maintain a 2025 GMC Hummer EV SUV?

Based on Carfocal's data, First listed service: - Tire Rotation and Inspection (Parts: N/A) - Cabin Air Filter Replacement (Parts: Cabin Air Filter) - Brake System Inspection (Parts: Brake Fluid (DOT 4)) at 15,000 miles. Estimated first-year maintenance: $150 - $300. Repair prediction highlight: Electrical System (typical at 15,000 miles, estimated cost Min: $500 • Max: $3,000+).

What transmission does the 2025 GMC Hummer EV SUV use?

According to CarFocal's specs for the 2025 GMC Hummer EV SUV, transmission is Automatic (A1). The paired drivetrain is All-Wheel Drive.

Does the 2025 Hummer EV SUV require Electricity gas?

Manufacturer fuel recommendation: Electricity.

What is the combined EPA MPG for the 2025 GMC Hummer EV SUV?

EPA combined estimate is 47 MPG.

What kind of powertrain does the 2025 GMC Hummer EV SUV use?

Powertrain classification is Battery Electric (BEV).

What driver assistance and safety features are available on the 2025 GMC Hummer EV SUV?

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

What body style is the 2025 GMC Hummer EV SUV?

According to CarFocal's specs for the 2025 GMC Hummer EV SUV, body style is suv.

What drivetrain does the 2025 GMC Hummer EV SUV use?

According to CarFocal's specs for the 2025 GMC Hummer EV SUV, drivetrain is All-Wheel Drive. Transmission is Automatic (A1).

What are the most common electrical system problems on the 2025 GMC Hummer EV SUV?

Top complaint category: electrical system (2 reports, 28.6% of complaints).