Alex Decker
Alex Decker at Diamond Buick GMC of Alexandria

Alex Decker

Sales

Diamond Buick GMC of Alexandria

5803 State Hwy 29 South
Alexandria, MN 56308

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4.9
9 Reviews
4.9

9 Reviews

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9 Reviews of Alex Decker

May 07, 2026

Dealership Rating
Employee Rating

Quick, efficient, polite, all come to mind with our vehicle purchase and the staff we interacted with. Would recommend. More

by jprochniak
Sales Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Corey -Finance

April 24, 2026

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Friendly, nice vehicle selection. Our salesman Alex was very helpful. Would not hesitate buying again from here. More

by evbiegs
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Recommend Dealer
Yes
Apr 28, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your 5-Star review! We're happy to hear Alex did a great job and was helpful in your search. He goes above and beyond for his customers and truly cares about finding the right fit for you!

April 19, 2026

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Dealership employees are friendly, professional and knowledgeable. They didn’t try to push any particular vehicle or accessories. More

by bjodden50
Sales Price Transparency
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Recommend Dealer
Yes
Apr 21, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your 5-Star review! At Diamond, we want to find the RIGHT vehicle for you and to fit your lifestyle, not just any vehicle. When you're happy, we are happy! Enjoy your new Buick!

April 08, 2026

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Every one working there was very responsive to my needs and questions. Very friendly staff and helpful. More

by lawrenceruether
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Trade-in Experience
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Recommend Dealer
Yes

Other Employees Tagged: Michalene Martin, Ian Getz

Apr 21, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your review!

April 07, 2026

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Employee Rating

Great customer service both in the sales and service departments. They made our expirance very pleasant. More

by LILTRACERS
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Recommend Dealer
Yes
Apr 21, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your 5-Star review! We're glad to hear you had a great experience with not only sales, but service as well! Enjoy your new ride!

March 30, 2026

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Best Service department in the business. The entire staff are friendly and they save you money when they can. Very transparent and professional More

by gritcoachwise
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Recommend Dealer
Yes
Mar 31, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your 5-Star review, Coach! At Diamond, we strive to go above and beyond for all of our customers. You deserve the best experience and nothing less.

March 30, 2026

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I discovered that what I thought was a problem was not a problem. Everything is good! More

by Shawn Brown
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Recommend Dealer
Yes
Mar 31, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your 5-Star review, Shawn!

March 30, 2026

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Employee Rating

Fast, friendly service, very thorough. They come to my place of employment, get my vehicle do the needed service that it needs and bring it back to my place of employment. Great job! More

by lin
Service Price Transparency
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Recommend Dealer
Yes
Mar 31, 2026

Diamond Buick GMC of Alexandria responded

Thank you for your 5-Star review! We're glad we could make your day easier with our pick up and drop off service!

November 29, 2025

Dealership Rating
Employee Rating

I highly recommend Diamond of Buick GMC of Alexandria! I had a fantastic experience with Jasen and the entire team. Everyone was very friendly and helpful. I will definitely be a returning customer. T More

by Toyota Camry
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Ashley Knauf, Michalene Martin, Tim Pederson, Ian Getz, Jasen Wise , Jack Anderson, Molly Letendre

Dec 05, 2025

Diamond Buick GMC of Alexandria responded

Thank you so much for the glowing recommendation! We’re absolutely thrilled to hear you had a fantastic experience with Jasen and the whole Diamond Buick GMC of Alexandria team! Making our customers feel welcomed and well taken care of is what we’re all about, and your kind words mean the world to us. We’re already looking forward to your next visit – welcome to the Diamond family, and thank you for choosing us!

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