UK police have had various types of Jaguar over the years; there was a period where the original Mark 2 Jag could outrun the police, so they had to buy some as well. The Mark 2 became ubiquitous in police procedural TV shows, usually driven by criminals, but also Inspector Morse.

For the present day: https://www.selectcarleasing.co.uk/news/article/most-powerfu... (fun use of FOIA)

https://policepathfinder.com/what-car-do-british-police-use/