What are the most common Pontiac G6 problems?

Across 5 model years analyzed, the most-reported issues are: Electrical System, Power Steering System. Details on each — including affected years and repair-cost ranges — are listed below.

Is the Pontiac G6 a reliable car?

Pontiac G6 averages a 70/100 OwnerKeep KeepScore across 5 years of data. Year-by-year scores vary — check the full model hub for the year you're shopping.

Which years of the Pontiac G6 have the worst problems?

The lowest-scoring Pontiac G6 years are flagged on our Years to Avoid page. They typically combine multiple recurring failures (transmission, engine, electrical) with weak owner sentiment.

How much do common Pontiac G6 repairs cost?

Repair-cost ranges depend on the specific issue. Major systems like transmissions can run $2,500-$5,500, while infotainment or sensor replacements are $150-$600. Each problem listed below includes a cost estimate.

HomePage

Vehicles Compare Blog Get Report

Issue Pattern Analysis

Pontiac G6 Common Problems

We analyzed every Pontiac G6 reliability report across 5 model years (avg score 70/100) — here are the issues that keep showing up.

Most-Reported G6 Issues

Ranked by how often this issue appears in our Pontiac G6 year-by-year reports.

Electrical System

Affects 80% of years

Reported across 4 Pontiac G6 model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.

Power Steering System

Affects 60% of years

Reported across 3 Pontiac G6 model years analyzed. Pull the full reliability report for a specific year to see exact symptoms, mileage ranges, and repair-cost estimates.

Problems by Model Year

2005 Pontiac G668/100

A capable but flawed mid-size sedan, requiring careful vetting and a repair budget to navigate its common and costly pitfalls.

2006 Pontiac G668/100

An affordable sedan with a comfortable ride, but prepare for common steering and transmission issues if you choose to buy.

2007 Pontiac G672/100

A budget-friendly daily driver that demands diligent pre-purchase inspection and an allowance for common GM quirks.

2008 Pontiac G675/100

A comfortable cruiser with decent power, but regular maintenance and a keen eye on common electrical and steering faults are essential for a good ownership experience.

2009 Pontiac G668/100

A value-conscious choice with known challenges that can be mitigated by careful pre-purchase inspection and proactive maintenance.

Don't buy on guesswork

Get the full Pontiac G6 risk report

Common-problem patterns above are aggregate. For the specific year you're shopping, the paid report breaks down: exact mileage failure windows, repair-cost ranges, recall status, and a buy/avoid verdict.

OwnerKeep Passport

Your car. Documented. Forever.

OwnerKeep Passport turns every receipt, photo, and service into a luxury digital ownership vault — with an OwnerScore that pays you back at resale.

AI receipt OCR — snap and log
Fuel & mileage tracker
Tri-Score OwnerScore
One-tap resale dossier PDF

$499 · one-time · lifetime access · no subscription