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2023 GMC Sierra Report

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

Updated May 30, 2026·Ethan Miller

Overall Score

6.9/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • Excellent initial reliability indicated by zero recalls and zero complaints.
  • Powerful 6.2L V8 engine requires premium fuel.
  • Combined fuel economy of 15 MPG.
  • 4-wheel drive and 10-speed automatic transmission provide robust capability.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2023 GMC Sierra

The 2023 GMC Sierra enters the used market with a strong showing in initial reliability. Its robust 6.2L V8 engine, paired with a 10-speed automatic transmission and 4-wheel drive, offers substantial capability. Fuel economy is modest, with a combined EPA rating of 15 MPG, reflecting its powerful, premium-fuel-consuming powertrain. The absence of any reported recalls or consumer complaints from NHTSA suggests a well-built vehicle from the outset, making it an attractive option for used truck buyers prioritizing dependability.

Critical Failure Risk

Excellent initial reliability indicated by zero recalls and zero complaints.

Early detection can reduce the odds of major repair bills.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls0
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency
Combined
15
MPG
City
14
MPG
Highway
17
MPG
Full Vehicle Specifications ↓

Reliability

9.3/ 10

Practicality

5.0/ 10

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Buyers seeking a capable and powerful full-size truck with a strong record of initial dependability.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers prioritizing maximum fuel efficiency.

+2 more buyer-fit warnings in the full report

2023 GMC Sierra Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2023 GMC Sierra.

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

Limited reliability records are available for this model year.

Specs

Vehicle Specs

Fuel Type
Premium
Transmission
Automatic 10-spd
Drivetrain
4-Wheel Drive
Body Style
Pickup
EPA Combined MPG
15

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Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

No complaint hotspot data available yet.

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brake System - Inspect Wiper Blades

Est. shop cost: $100 - $200

7,500 mi

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

Full pre-purchase inspection checklist
Complete maintenance schedule (5 service intervals)
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
Full safety recall details
Final buyer verdict: should you buy?
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FAQ

FAQ

Is the 2023 GMC Sierra reliable?▾

The CarFocal Reliability Score for the 2023 GMC Sierra is 9.3/10. Reliability score is 9.3/10. NHTSA recalls: 0. Owner complaints: 0.

How practical is the 2023 GMC Sierra for daily use?▾

Practicality score is 5.0/10. The score is mainly limited by high fuel consumption. EPA combined economy is 15 MPG.

What is the overall score for the 2023 GMC Sierra?▾

The CarFocal Overall Score for the 2023 GMC Sierra is 6.9/10. Overall score is 6.9/10 (Good). Confidence 55%. Maintenance 9.3/10. Practicality 5.0/10.

What does it cost to own and maintain a 2023 GMC Sierra?▾

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brake System - Inspect Wiper Blades at 7,500 miles. Estimated first-year maintenance: $300 - $600.

What engine is in the 2023 GMC Sierra?▾

Engine specs list 8 • 6.2.

What transmission does the 2023 GMC Sierra use?▾

According to CarFocal's specs for the 2023 GMC Sierra, transmission is Automatic 10-spd. The paired drivetrain is 4-Wheel Drive.

Does the 2023 Sierra require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2023 GMC Sierra?▾

EPA combined estimate is 15 MPG.

What driver assistance and safety features are available on the 2023 GMC Sierra?▾

10 standard and 5 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

What body style is the 2023 GMC Sierra?▾

According to CarFocal's specs for the 2023 GMC Sierra, body style is pickup.

What drivetrain does the 2023 GMC Sierra use?▾

According to CarFocal's specs for the 2023 GMC Sierra, drivetrain is 4-Wheel Drive. Transmission is Automatic 10-spd.

Should buyers consider alternatives to the 2023 GMC Sierra?▾

Alternatives listed in this guide: 2023 Ford F-150 and 2023 Ram 1500.

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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