If you've want Alexa in an older car, you'll want Echo Auto
The Echo Auto (2nd gen) is smaller but not smarter - The Verge
HANDS-FREE ALEXA ACCESSORY - Slim design that's easy to place in your car and 5-mic built-in so Alexa can hear you over music, A/C, or road noise.
Echo Auto (2nd Gen, 2022 release) | Add Alexa to your car
takes another stab at integrating Alexa into older cars
Echo Auto Review
What Is Alexa Auto?
Alexa Auto: everything you need to know
Echo Auto (2nd gen) review: Surprisingly great and utterly useless
Echo Auto Smart Speaker, 2nd Gen, 2022 Release
Turn your DUMB car SMART with Echo Auto