Services We Offer


At Portland Performance, we take pride in possessing the equipment and aptitude to diagnose and repair almost any issue with your vehicle.  We combine a motorsports background with dealership technician experience, and methodical diagnostic process, to be sure service is completed with the highest level of quality.  We specialize in BMW, Audi, Porsche, Mercedes, Volkswagen, Subaru, Mitsubishi, GM, Mopar, Ford, and have the ability to work on any other make and model.
Call us at (207) 517-5555 to speak with us and schedule an appointment today! 

What we offer:

Advanced Diagnostics

General Maintenance & Repair

Performance Upgrades

Engine Builds (Competition, Street, OEM)

Tires & Road Force Balancing

Dyno Tuning (Racing/Competition Vehicles & Classics Only)

Full Engine Repair / Replacement

Transmission Service / Diagnosis / Replacement

Clutch Diagnosis / Replacement

Brakes & Suspension

Electrical Repair

Carbon Cleaning / Walnut Blasting

Motorsports Services

Build Consultation


You may also fill out our Service Request Form and we will respond to your inquiry promptly.