Gary Guest
Gary Guest at Mark Allen Buick GMC

Gary Guest

Sales

Mark Allen Buick GMC

15285 N 137th E Place
Collinsville, OK 74055

4.9
10 Reviews

Hey lets be honest its not about the car, it's about the people and their story! I love our customers and I am honored to serve you in finding the right vehicle for you, your family and friends. Have a blessed day!

4.9

10 Reviews

Write a Review

Industry Experience

12 yrs, 7 mos

Specialties & Trainings

Dealership Management

Sales Leader

View more specialties & trainings

10 Reviews of Gary Guest

January 28, 2026

Dealership Rating
Employee Rating

Gary was excellent to deal with! I wanted a dealer that didn’t play games and I found just that! Will definitely buy from them again. More

by Fins For Grins
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Kendle Taylor

January 23, 2026

Dealership Rating
Employee Rating

The entire team made my experience the best experience I have ever had at a dealership. They made sure we got the best price and vehicle, and I will be recommending them to everyone I know. I truly apprecia More

by JONILHALL
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Melissa Henry , Joe, Lyndsey, custodian, front desk

Jan 23, 2026

Mark Allen Buick GMC responded

Thank you for your business and for taking the time to leave us such a positive review, we truly appreciate it. If you have any additional needs and are unable to reach your salesperson, please feel free to contact one of the following team members Jackson Hamilton Heather Hubler Experience Manager Dealership Coordinator 918-350-1240 918-645-2380

January 09, 2026

Dealership Rating
Employee Rating

The whole experience was great-start to finish. Gary was great to work with-answered all my questions. More

by SBAKER24FAN
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes
Jan 22, 2026

Mark Allen Buick GMC responded

Thank you for your business and for taking the time to leave us such a positive review, we truly appreciate it. If you have any additional needs and are unable to reach your salesperson, please feel free to contact one of the following team members Jackson Hamilton Heather Hubler Experience Manager Dealership Coordinator 918-350-1240 918-645-2380

January 01, 2026

Dealership Rating
Employee Rating

Gary is an exemplary salesman. He’s personable, professional, and goes above and beyond to make deals happen. His grateful attitude is always on display and I will always come back More

by Amanda Elston
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Lindsey!

Jan 22, 2026

Mark Allen Buick GMC responded

Thank you for your business and for taking the time to leave us such a positive review, we truly appreciate it. If you have any additional needs and are unable to reach your salesperson, please feel free to contact one of the following team members Jackson Hamilton Heather Hubler Experience Manager Dealership Coordinator 918-350-1240 918-645-2380

December 05, 2025

Dealership Rating
Employee Rating

This was truly the best car buying experience I have ever had. Mark Allens team is 100% different from everyone else. More

by robert.dchandler
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Joe

November 26, 2025

Dealership Rating
Employee Rating

A great experience from the moment I drove onto the lot to the moment I left with my new car. Gary, my salesman, went above and beyond by driving the car to my house so that I could see the interior space More

by TheHaileStorm
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Lindsey Blakley - 5 stars!

November 07, 2025

Dealership Rating
Employee Rating

Best price, best selection, and best offer for my trade. And the sales staff treated me right. More

by KLBRANHAM01
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

October 22, 2025

Dealership Rating
Employee Rating

Good experience. They communicated well and treated me fairly. Price wasn't the cheapest I found but it was competitive More

by LA.BRANSON
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Chance Oldham

October 16, 2025

Dealership Rating
Employee Rating

Really enjoyed my experience at Mark Allen GMC. My salesman, Gary Guest, was kind, real, personable. Highly recommend. More

by docscott25
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

October 08, 2025

Dealership Rating
Employee Rating

Our entire experience was very good. Gary was a patient and knowledgeable salesman. Everyone at the dealership was very pleasant.😃 More

by PHILLIPSGONEFISHING
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Dealership Inventory (123 Vehicles)

new 2026 Buick Encore GX car, priced at $28,118
2026 Buick Encore GX
new
Brilliant Red exterior
Automatic
Front-wheel Drive
used 2022 Hyundai Kona car, priced at $17,949
2022 Hyundai Kona
used
Lunar White exterior
Automatic
Front-wheel Drive
used 2021 Buick Envision car, priced at $20,359
2021 Buick Envision
used
Rich Garnet Metallic exterior
Automatic
Front-wheel Drive
used 2023 GMC Sierra 1500 car, priced at $49,359
2023 GMC Sierra 1500
used
Summit White exterior
Automatic
Four-wheel Drive
new 2026 Buick Encore GX car, priced at $29,578
2026 Buick Encore GX
new
Brilliant Red exterior
Automatic
Front-wheel Drive
new 2026 Buick Enclave car, priced at $53,687
2026 Buick Enclave
new
oonstone Gray Metallic exterior
Automatic
Front-wheel Drive