• New
• Pre-Owned

O'Connor has a strong and committed sales staff with many years of experience satisfying our customers' needs. Feel free to browse our massive inventory online, request more information about vehicles from one of our GMC, Buick, Chevrolet, Cadillac, and Volkswagen trained sales professionals, set up a test drive with a sales associate or inquire about financing!

O'Connor has locations in Augusta and Portland, ME. As a GMC, Buick, Chevrolet, Cadillac, and Volkswagen dealer who offers great prices, rebates and incentives for new & used GMC, Buick, Chevrolet, Cadillac, and Volkswagen cars, trucks and SUVs to all of our neighbors in Belfast, Saco, Scarborough, Brunswick, Topsham, Windham, Oxford, Farmington, customer satisfaction is crucial to our success. Our expert Service & Parts staff members help our Southern Maine customers to keep their GMC, Buick, Chevrolet, Cadillac, and Volkswagen vehicles in great shape.

At O'Connor, we look forward to serving your automotive needs and we hope that we can help you with your next new or pre-owned GMC, Buick, Chevrolet, Cadillac, or Volkswagen purchase. We have helped customers from Bangor, Lewiston, Auburn, Gardiner, Wiscasset, Waterville, Skowhegan, Rockland, Belfast, Oakland, York with their GMC, Buick, Chevrolet, Cadillac, and Volkswagen needs and we look forward to helping you too.

O'Connor, a Portland serving Maine dealer is one of the many GMC, Buick, Chevrolet, Cadillac, and Volkswagen dealers that sells new & used GMC, Buick, Chevrolet, Cadillac, and Volkswagen vehicles to customers in the surrounding cities such as Belfast, Saco, Scarborough, Brunswick, Topsham, Windham, Oxford, Farmington, and Portland. We carry a complete selection of new & used GMC, Buick, Chevrolet, Cadillac, and Volkswagen vehicles available in our dealership located in Augusta, Maine. At O'Connor, we like to think of ourselves as your one stop shop for all your Southern Maine GMC, Buick, Chevrolet, Cadillac, and Volkswagen needs.

At O'Connor, customer service is our number one priority. If you plan to buy an Enclave, LaCrosse, Lucerne, Regal, Verano, CTS Sedan, CTS Sport Wagon, STS, DTS, SRX, Escalade, Escalade ESV, Escalade EXT, Escalade Hybrid, Avalanche, Aveo, Camaro, Cobalt, Colorado, Corvette, Cruze, Equinox, Express, HHR, Impala, Malibu, Silverado, Sonic, Suburban, Tahoe, Trailblazer, Traverse, Uplander, Volt, Acadia, Canyon, Envoy, Envoy Denali, Savana Cargo Van, Savana Passenger Van, Sierra 1500, Sierra 2500HD, Sierra 3500HD, Sierra Denali, Terrain, Yukon, Yukon Denali, Yukon XL, Yukon XL Denali, GTI, Golf, New Beetle, Jetta, Passat, CC, GLI, Routan, Jetta SportWagen, Passat Wagon, Tiguan, Touareg, or Eos, you will always find great prices, GMC, Buick, Chevrolet, Cadillac, and Volkswagen service and GMC, Buick, Chevrolet, Cadillac, and Volkswagen parts. Our GMC, Buick, Chevrolet, Cadillac, and Volkswagen dealership in Augusta, ME sells many new & used GMC, Buick, Chevrolet, Cadillac, and Volkswagen vehicles and has lots of satisfied customers which you can read about by visiting our GMC, Buick, Chevrolet, Cadillac, and Volkswagen testimonials page.

Because of our outstanding service and great prices, customers travel from all across Maine to visit O'Connor. We have helped many customers with their GMC, Buick, Chevrolet, Cadillac, and Volkswagen needs from cities such as Portland, Bangor, Lewiston, Auburn, Gardiner, Wiscasset, Waterville, Skowhegan, Rockland, Belfast, Oakland, York because they know they won't find better service when purchasing their next new or used GMC, Buick, Chevrolet, Cadillac, or Volkswagen. At O'Connor we offer rebates and incentives on new Enclave, LaCrosse, Lucerne, Regal, Verano, CTS Sedan, CTS Sport Wagon, STS, DTS, SRX, Escalade, Escalade ESV, Escalade EXT, Escalade Hybrid, Avalanche, Aveo, Camaro, Cobalt, Colorado, Corvette, Cruze, Equinox, Express, HHR, Impala, Malibu, Silverado, Sonic, Suburban, Tahoe, Trailblazer, Traverse, Uplander, Volt, Acadia, Canyon, Envoy, Envoy Denali, Savana Cargo Van, Savana Passenger Van, Sierra 1500, Sierra 2500HD, Sierra 3500HD, Sierra Denali, Terrain, Yukon, Yukon Denali, Yukon XL, Yukon XL Denali, GTI, Golf, New Beetle, Jetta, Passat, CC, GLI, Routan, Jetta SportWagen, Passat Wagon, Tiguan, Touareg, and Eos models. Find out more by visiting our Maine GMC, Buick, Chevrolet, Cadillac, and Volkswagen Rebates and Incentives information page.

Our state of the art GMC, Buick, Chevrolet, Cadillac, and Volkswagen service departments in Augusta and Portland, will keep your vehicle in excellent condition. Our friendly staff will make sure your every visit to O'Connor is a pleasant one. Our certified service technicians will keep your GMC, Buick, Chevrolet, Cadillac, and Volkswagen running and looking like the day you bought it. So bring your Enclave, LaCrosse, Lucerne, Regal, Verano, CTS Sedan, CTS Sport Wagon, STS, DTS, SRX, Escalade, Escalade ESV, Escalade EXT, Escalade Hybrid, Avalanche, Aveo, Camaro, Cobalt, Colorado, Corvette, Cruze, Equinox, Express, HHR, Impala, Malibu, Silverado, Sonic, Suburban, Tahoe, Trailblazer, Traverse, Uplander, Volt, Acadia, Canyon, Envoy, Envoy Denali, Savana Cargo Van, Savana Passenger Van, Sierra 1500, Sierra 2500HD, Sierra 3500HD, Sierra Denali, Terrain, Yukon, Yukon Denali, Yukon XL, Yukon XL Denali, GTI, Golf, New Beetle, Jetta, Passat, CC, GLI, Routan, Jetta SportWagen, Passat Wagon, Tiguan, Touareg, or Eos in for your next service appointment and treat yourself and your new or pre-owned GMC, Buick, Chevrolet, Cadillac, or Volkswagen to top notch service.

We hope that you find our website helpful to your needs. Although O'Connor of Augusta in Maine doesn't stay open 24 hours a day, our dealership website is always open 24/7, 365 days a year! On our website which serves Portland area customers, you can research all new GMC, Buick, Chevrolet, Cadillac, and Volkswagen cars, GMC, Buick, Chevrolet, Cadillac, and Volkswagen trucks, GMC, Buick, Chevrolet, Cadillac, and Volkswagen SUVs, or GMC, Buick, Chevrolet, Cadillac, and Volkswagen vans that you would like to purchase, search our inventory of all the O'Connor used vehicles that we offer at great prices, request a new O'Connor vehicle price quote, find the value for your trade, view pictures and data about the GMC, Buick, Chevrolet, Cadillac, and Volkswagen Enclave, LaCrosse, Lucerne, Regal, Verano, CTS Sedan, CTS Sport Wagon, STS, DTS, SRX, Escalade, Escalade ESV, Escalade EXT, Escalade Hybrid, Avalanche, Aveo, Camaro, Cobalt, Colorado, Corvette, Cruze, Equinox, Express, HHR, Impala, Malibu, Silverado, Sonic, Suburban, Tahoe, Trailblazer, Traverse, Uplander, Volt, Acadia, Canyon, Envoy, Envoy Denali, Savana Cargo Van, Savana Passenger Van, Sierra 1500, Sierra 2500HD, Sierra 3500HD, Sierra Denali, Terrain, Yukon, Yukon Denali, Yukon XL, Yukon XL Denali, GTI, Golf, New Beetle, Jetta, Passat, CC, GLI, Routan, Jetta SportWagen, Passat Wagon, Tiguan, Touareg, Eos or learn about our new GMC, Buick, Chevrolet, Cadillac, and Volkswagen car specials and pre-owned GMC, Buick, Chevrolet, Cadillac, and Volkswagen car specials that we sell. Make sure you visit our O'Connor Meet Our Staff page before you leave. Outstanding service and customer satisfaction is what we are known for around town at our Southern Maine GMC, Buick, Chevrolet, Cadillac, and Volkswagen dealership.

Enclave, LaCrosse, Lucerne, Regal, Verano, CTS Sedan, CTS Sport Wagon, STS, DTS, SRX, Escalade, Escalade ESV, Escalade EXT, Escalade Hybrid, Avalanche, Aveo, Camaro, Cobalt, Colorado, Corvette, Cruze, Equinox, Express, HHR, Impala, Malibu, Silverado, Sonic, Suburban, Tahoe, Trailblazer, Traverse, Uplander, Volt, Acadia, Canyon, Envoy, Envoy Denali, Savana Cargo Van, Savana Passenger Van, Sierra 1500, Sierra 2500HD, Sierra 3500HD, Sierra Denali, Terrain, Yukon, Yukon Denali, Yukon XL, Yukon XL Denali, GTI, Golf, New Beetle, Jetta, Passat, CC, GLI, Routan, SportWagen, Passat Wagon, Tiguan, Touareg, Eos