Audi A6 (C5) Powertrain Guides
Learn how to upgrade and maintain your A6 (C5)'s engine and drivetrain with our articles here. Solve the mystery of your A6 (C5)'s engine problems with our diagnostic articles. Fix the broken powertrain components in your A6 (C5) with our repair how to articles. Educate yourself on how your car gets its power to the wheels below.