Diesel Service in Portland, CT

Honesty in Diesel Service

Diesel engines are machines of power and efficiency, built to withstand heavy demands and last for hundreds of thousands of miles. No matter how well you treat your diesel car or truck, the need for diesel service is a continuous part of ownership. On a Cummins, Duramax and BlueTEC alike, routine diesel service will keep you moving without issue. At the same time, you’ll want the most capable hands handling your diesel vehicle, those with the right level of knowledge and experience. Such hands are ready to get to work for you here at Portland Automotive in Portland, CT, where you’ll always get complete honesty in diesel service.

Diesel Service with Quality

Portland Automotive stands as our town’s longest-lasting shop, proudly run by the same owner for more than 26 years. Since 1992, we’ve been serving the diesel service needs of diesel owners throughout Portland and all of Middlesex County with the highest standards of quality. From an oil change on a BMW 335d to transmission work on a Ford F-250 PowerStroke and anything else your diesel engine requires, no task is too big or small for our ASE-Certified technicians to handle. At Portland Automotive, our team works hard every day to uphold our reputation as your reasonable alternative to any high-priced dealership.

Incomparable Customer Service

In addition to factory-scheduled diesel service, you can prevent surprise problems with a long-term maintenance plan. Portland Automotive utilizes all the latest computerized testing equipment to provide this important benefit. When you bring your diesel car or truck to our shop for any reason, we’ll conduct a thorough digital inspection, including photos of all parts and critical components. You’ll have literally the full picture of your diesel’s current state, allowing you to make informed decisions beyond your regular diesel service, without pressure from us to pay for something that can wait. This is just one piece of our incomparable customer service across the board.

Experience Portland Automotive

  • The Only AAA-Approved Shop in Town
  • ASE-Certified Technicians for All Services
  • Connecticut State Emissions Test Station
  • Certified Emissions Repair Center
  • Free Wi-Fi in Our Waiting Room
  • Local Shuttle Service to Home or Work
  • Fleet of Complimentary Loaner Cars
  • 2-Year/24,000-Mile Warranty Protection

For complete diesel service in Portland, CT, turn to Portland Automotive, where you’ll get honesty, quality and incomparable customer service.

Contact Us


Your Local Auto Repair Facility in Portland, CT


Welcome to Portland Automotive

Count on us at Portland Automotive to offer the best quality repairs in Portland. We are the only AAA approved shop in town with the best warranty in town of 2 years/24,000 miles.

We are a Connecticut State Emissions test station as well as a certified emissions repair center. We offer the best customer service to our visitors and provide honest, quality and incomparable service. You will only receive service from quality ASE Certified Technicians.

Our Services

We offer a wide range of services including brakes, tire replacement, oil change and wheel alignment. Additionally, we offer preventative maintenance care for vehicles in the 30/60/90K range. Did your check engine light come on?

Our expert technicians and service specialists know how to check engine light codes and diagnoses. We'll take care of it for you!



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