What is the song getaway car from Taylor Swift talking about

The song "Getaway Car" by Taylor Swift is rumored to be about a tumultuous relationship that Taylor was in. In the song, she sings about needing to escape from a failing relationship and comparing it to a "getaway car." The lyrics suggest that the relationship was doomed from the start, and Taylor knew that they needed to get out before it was too late. The song captures the feeling of betrayal, deception, and the need to move on to something better.