I had a Mazda, but gave it up a few months ago when I moved to the Seattle area... Now I commute by bike (which has manual shifting, but no cruise control :-)) Though my Eastside commute is nothing at all like my old Bay Area commute, not nearly as much traffic.

Here are some other car models with full range adaptive cruise control:

https://en.wikipedia.org/wiki/Autonomous_cruise_control_syst...

And here's what looks like a more complete list of 2018 models supporting it:

https://www.cars.com/articles/which-cars-have-self-driving-f...