What do audiophiles do in their cars?


All of you forum members with your killer home systems…what do you listen to in your cars?  Do y’all have custom stereo systems?  Does the quality of the stereo system actually impact your car buying decision?  I have a B&O setup in my 2021 truck, which was an upgrade and sounds decent enough, but nothing compared to a typical HiFi home system.
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@jjss49 great point. So many memories of building “systems” in cars when the concept of “separates” started to happen. I had the back seat of a VW Bug filled with 2-12’s and 2-10’s in a fully custom box I built. My dad is a custom cabinet, woodworking master so I learned from him. Did all the research, volume calculations etc. At the time, I though it sounded killer. I’d love to hear it these days! Anyway, the parties, tailgates, girlfriends, all of it. Just awesome. Music is the thing, the stereos are just the delivery…
Jazz 91.1 for short trips, longer ones get the Fiio M11music player with a full selection of 192/24 flac files from the house collection connected to the Aux. in. My car is an older BMW with a stock stereo system, sounds not bad and has the Auxillary in, not sure if the newer vehicles still offer this input.
My 2014 VW Touareg R-Line, once I tune it to my liking by ear, is a superb sounding system. No complaints at all. And plays LOUD. 
Mid 2000’s BMW’s have a 825w - 16 speaker, Dirac tuned system called “individual audio system” - pretty good start… only m3 and such along with x5m’s, as an option. Now they have B&O.
Qobuz on a Schiit DAC into a Milbert tube crossover into a BK Butler power amp on Focal speakers. Sounds really nice. Works well EVEN WHEN DRIVING OPEN in my convertible 1991 Mercedes 300SL. But I mostly care for really loud punk rock and Dub music with ultra deep bass. YMMV.