Quirk Auto Group Since 1973

New Vehicles Used & Certified

Trucks SUVs & Crossovers 3-Row Family SUVs Specials Wholesale

Bangor

Mercedes-Benz At Quirk Auto Park Cadillac Cars By Us Bangor Chevrolet Bangor Chrysler Dodge Jeep Ram Fiat Bangor Hyundai Mitsubishi Motor City Used Vehicle Center Bangor Subaru

Portland

Alfa Romeo Of Portland Fiat Of Portland Chevrolet Portland Motor City Used Vehicle Center Portland

Belfast

Chrysler Dodge Jeep Ram Belfast Ford Belfast

Augusta

Rockland

Chevrolet Rockland GMC Rockland

Services & Parts

CarQuest Augusta Aftermarket Boss Plow AT Quirk Auto Group Auto Glass Insurance Pro Shop CarQuest Belfast CarQuest Rockland CarQuest Rockport

View All Locations →

Community Hub Featured Reviews It's Your Car Sponsorships & Donations Organizations We Support Our Story

Boss Plows Find a Dealership

Inventory

New Vehicles Used & Certified Trucks SUVs & Crossovers 3-Row Family SUVs Specials Wholesale Special Offers

Locations

Bangor

Mercedes-Benz At Quirk Auto Park Cadillac Cars By Us Bangor Chevrolet Bangor Chrysler Dodge Jeep Ram Fiat Bangor Hyundai Mitsubishi Motor City Used Vehicle Center Bangor Subaru

Portland

Alfa Romeo Of Portland Fiat Of Portland Chevrolet Portland Motor City Used Vehicle Center Portland

Belfast

Chrysler Dodge Jeep Ram Belfast Ford Belfast

Augusta

Rockland

Chevrolet Rockland GMC Rockland

Services & Parts

CarQuest Augusta Aftermarket Boss Plow AT Quirk Auto Group Auto Glass Insurance Pro Shop CarQuest Belfast CarQuest Rockland CarQuest Rockport Staff Jobs

Community

Community Hub Featured Reviews It's Your Car Sponsorships & Donations Organizations We Support Our Story Boss Plows Find a Dealership

Home / Staff / Stephen Costello

Stephen Costello

Stephen Costello

Finance Manager

|

Mercedes-Benz At Quirk Auto Park

Quirk Auto Group Driven by Community Since 1973

Maine's largest family of dealerships. Serving Bangor, Portland, Belfast, and beyond.

Our Locations

Fiat Of Portland 207-321-5991

Quick Links

Find a Dealership
Our Staff
Job Openings
Community
It's Your Car
Sponsorships
Our Story
Boss Plows

© 2026 Quirk Auto Group — Driven by Community Since 1973 Prices exclude tax, title, and registration. See dealer for details.