How much horsepower does a stock 1985 trans am have?
A stock 1985 Pontiac Trans Am came with a few different engine options, so the horsepower varied. The most common engine was the 5.0L (305 cubic inch) V8, which produced 150 horsepower. There was also a more powerful 5.7L (350 cubic inch) V8 available, with horsepower ranging from 165 to 210 depending on the specific configuration (single or four-barrel carburetor).