Gregg Martinez
Gregg Martinez at Weirs Motor Sales

Gregg Martinez

Service Advisor

Weirs Motor Sales

1513 Portland Road
Arundel , ME 04046

Contact Me
4.9
32 Reviews

My name is Gregg Martinez I am currently a service advisor at Weirs GMC, I have worked both sales and service so I have well rounded experience and have been with the company over 10 years!

Dealership Experience

10 yrs, 11 mos

Industry Experience

11 yrs, 7 mos

Languages Spoken

American Sign Language American Sign Language

English English

4.9

32 Reviews

Write a Review

32 Reviews of Gregg Martinez

July 25, 2026

Dealership Rating
Employee Rating

Greg is great always can count on him. Took care of our issues. Jocelyne thanks yog. More

by jimnicholas52
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 25, 2026

Weirs Motor Sales responded

It’s great Gregg could help with your GMC Sierra 1500 concerns. Thank you for the five-star review. Please let us know if there’s anything else we can do for you.

July 21, 2026

Dealership Rating
Employee Rating

Courtney: the whole service dept are always very hard to reach via phone. After picking up my truck from a small warranty repair I found a chip and fresh scratches on my passenger fender. Every time I deal More

by flyinbryan06
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Jul 25, 2026

Weirs Motor Sales responded

We're sorry to hear about your experience and would love to get to the bottom of it with you and see if there is something we can come up with to turn it around for you as quickly as possible. If you would be willing to continue the conversation, we would appreciate the opportunity to address your concerns.

July 21, 2026

Dealership Rating
Employee Rating

Excellent communication, explained the problem so that a layman could understand. Reviewed all the options available. Timely repairs. Have not yet worked with the sales department. More

by r.surette2
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 21, 2026

Weirs Motor Sales responded

Your kind words about our communication and the way we laid out all repair options are much appreciated. We’re glad Gregg made the explanations accessible and had your Chevrolet City Express back on the road so quickly. If you ever need assistance from our sales team, we’ll be ready to help.

July 19, 2026

Dealership Rating
Employee Rating

Excellent timely service, the staff definitely knows what they are doing. Have always used Weirs GMC for my car and truck purchases & general maintenance More

by mackays_garage
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 19, 2026

Weirs Motor Sales responded

Hearing that our team provided prompt and knowledgeable support means a lot. We appreciate your continued trust in our GMC expertise for both purchases and maintenance. Let us know whenever we can help again.

July 14, 2026

Dealership Rating
Employee Rating

It’s always a pleasure working with Weirs. I have a Yukon Denali ultimate and a 2500 Denali pick up truck. I am very pleased with the service I get especially the pick up and delivery for ser More

by khanson2009
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 14, 2026

Weirs Motor Sales responded

Thank you for trusting us with your GMC vehicles and for highlighting our pickup and delivery service. Gregg is glad each visit is a pleasure for you. We look forward to assisting you on your next service.

July 11, 2026

Dealership Rating
Employee Rating

Gregg was great dealing with some warranty issues on my Buick. Dealership stepped it up in covering problem. Great communication. More

by noplacelikehome03049
Service Price Transparency
Workmanship
Service Communication
Recommend Dealer
Yes
Jul 11, 2026

Weirs Motor Sales responded

Thank you for the five-star review. We’re glad Gregg could fully handle your Buick warranty issue and keep you informed every step of the way.

July 10, 2026

Dealership Rating
Employee Rating

I have never had a bad experience dealing with the service department and Greg martinez is the best! More

by paullombardi
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 10, 2026

Weirs Motor Sales responded

It’s wonderful to hear our service team has consistently delivered great experiences and that Gregg stood out. We appreciate your trust in us to care for your GMC Terrain. We look forward to helping you again.

July 08, 2026

Dealership Rating
Employee Rating

In 50+ years of using GM serve\ice departments this was the best ever! Gregg went over and above in finding some of the parts needed for my repair More

by harold.boling
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Ian Cavanaugh

Jul 08, 2026

Weirs Motor Sales responded

It’s wonderful to hear that after more than 50 years of GM service, your GMC 3500 visit was the best. We’re glad Gregg went above and beyond to find the needed parts. Thanks for the fantastic rating, and let us know if we can help again.

July 06, 2026

Dealership Rating
Employee Rating

well informed throughout the whole process and the video that is provided is an excellent resource More

by tmadore68
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 06, 2026

Weirs Motor Sales responded

Gregg and our team are happy the video resource provided clarity throughout your GMC 2500’s service. Thank you for highlighting how helpful it was. We look forward to assisting you again.

July 02, 2026

Dealership Rating
Employee Rating

You guys did an awesome job and thank you for being patient with my payment More

by searleskelly66
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Jul 03, 2026

Weirs Motor Sales responded

Thank you for trusting our team with your GMC Acadia service. We’re pleased we could assist you and appreciate your patience with the payment process.

1
...

Dealership Inventory (235 Vehicles)

new 2026 GMC Sierra 1500 car, priced at $63,842
2026 GMC Sierra 1500
new
Summit White exterior
Automatic
Four-wheel Drive
new 2026 GMC Savana 2500 car, priced at $50,734
2026 GMC Savana 2500
new
Summit White exterior
Automatic
Rear-wheel Drive
new 2026 GMC Sierra 3500 car, priced at $82,483
2026 GMC Sierra 3500
new
Glacier White exterior
Automatic
Four-wheel Drive
used 2025 GMC Sierra 1500 car, priced at $45,584
2025 GMC Sierra 1500
used
Onyx Black exterior
Automatic
Four-wheel Drive
new 2026 GMC Sierra 1500 car, priced at $52,557
2026 GMC Sierra 1500
new
Onyx Black exterior
Automatic
Four-wheel Drive
new 2026 GMC Acadia car, priced at $54,520
2026 GMC Acadia
new
Volcanic Red exterior
Automatic
All-wheel Drive