What are the opening hours?

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

Groulx Automotive

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United States
Monroe, MI
Groulx Automotive

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Groulx Automotive is a GMC dealer located in Monroe Michigan. We are a 4th generation, family owned dealer since 1956.

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

11/01/2026

Safety, convenience and Black Friday savings. Get 50% off an eligible OnStar plan, plus additional savings when you pay with GM Rewards points.

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11/01/2026

Keep your GMC on the move with savings on the parts that help keep you confident.

10/28/2026

You take off-roading seriously. So do we. The Sierra 1500 AT4.

10/21/2026

🔥 Been a busy week of prizes over here! 🏆

A big congratulations to our Finance Manager on winning a Blackstone Griddle!🎉 A huge thank you to our friends at Monroe Community CU for the awesome prize and for supporting our local community! 🙌

Happy grilling, Joel! 😎🔥🍔

10/21/2026

Enjoy a five-star experience, everywhere you go in the GMC Yukon Denali.

10/19/2026

🏌️‍♂️⛳ TALK ABOUT A HOLE-IN-ONE MOMENT! 🚗🎉

A huge congratulations to our lucky winner who scored a HOLE IN ONE at the St. Charles golf outing and drove away with an incredible prize! 🙌

At Groulx GMC, we love being part of unforgettable moments like this! Thank you to everyone who participated and helped make this event so special. 💙

Who says golf can’t be rewarding?! 😉⛳

10/14/2026

💗 THINK PINK! 💗

Our Groulx GMC women are wearing pink in support of **Breast Cancer Awareness Month!** 🎀💗

We’re proud to stand together to spread awareness, honor the fighters, celebrate the survivors, and remember those we’ve lost. 💕 Together, we can help make a difference!

🎀 **Pretty in pink, united for a purpose.** 🎀

💗

10/14/2026

The country is your campsite when you’ve got a GMC Sierra 1500 AT4.

10/12/2026

Upgrade your GMC for fall adventure with 20% off¹ Floor and Interior Protection accessories online. https://accessories.gmc.com/collections/offers

10/07/2026

Because extreme is your every day. Experience the peak of off-roading in the Canyon AT4X.

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

http://www.groulxgmc.com/

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