Primary: The Portland Police Department uses the 2016 Ford Explorer with the Whelen Liberty II lightbar and the Setina push bar.
Secondary: They use the 2015 Chevy Tahoe with the Whelen Liberty II lightbar and the Setina push bar.
And that is all. I tried to put the most popular cars in same cases and the most recent cars in others since they will become popular throughout ATS's life span.