Groulx Automotive

Groulx Automotive Groulx Automotive is a GMC dealer located in Monroe Michigan. We are a 3rd generation, family owned dealer since 1956.

We offer New and Used Sales, a full GM Goodwrench service department, collision center, and a parts dept.

09/02/2026

We’re nEVer not in control. The GMC HUMMER EV.

Start your school year with a little extra peace of mind. Get help in a crash, Roadside Assistance and 24/7 access to On...
09/01/2026

Start your school year with a little extra peace of mind. Get help in a crash, Roadside Assistance and 24/7 access to OnStar Advisors.

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📅 Labor Day Weekend Closure Groulx GMC will be closed Saturday, September 5th through Monday, September 7th for the hol...
08/31/2026

📅 Labor Day Weekend Closure
Groulx GMC will be closed Saturday, September 5th through Monday, September 7th for the holiday weekend.

We’ll reopen with normal business hours on Tuesday, September 8th.

Wishing everyone a safe and enjoyable Labor Day! 🇺🇸

Our service department is growing, and we’re searching for a talented Technician who knows their way around a transmissi...
08/27/2026

Our service department is growing, and we’re searching for a talented Technician who knows their way around a transmission. If you’re driven, detail‑focused, and ready for a dealership that supports your success, this is your moment. Follow the link to apply!

Apply for the Automotive Technician job in Monroe, MI! Learn more about the job description, salary, and job details to see if you qualify on Indeed today.

Professional Grade in every line. The 2026 GMC HUMMER EV Carbon Fiber Edition.
08/26/2026

Professional Grade in every line. The 2026 GMC HUMMER EV Carbon Fiber Edition.

Not here to blend in. The 2026 GMC Sierra 1500 Elevation.
08/19/2026

Not here to blend in. The 2026 GMC Sierra 1500 Elevation.

Set the standard, then take it further. The 2026 GMC Terrain Denali.
08/12/2026

Set the standard, then take it further. The 2026 GMC Terrain Denali.

Extend your trial today to keep enjoying in-vehicle Wi-Fi, Roadside Assistance, remote commands and more.
08/10/2026

Extend your trial today to keep enjoying in-vehicle Wi-Fi, Roadside Assistance, remote commands and more.

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Get equipped for adventure with 25% off Assist Steps, Bed Covers and Audio accessories or 15% off when you spend $150 or...
08/07/2026

Get equipped for adventure with 25% off Assist Steps, Bed Covers and Audio accessories or 15% off when you spend $150 or more on other eligible accessories online.

Address

15435 S Dixie Highway
Monroe, MI
48161

Opening Hours

Monday 9am - 8pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 8pm
Friday 9am - 6pm

Telephone

+18883203705

Website

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