From Ford and SEAT to Lexus and Toyota, these are the car which already have Alexa integration and skills.
Some cars from Audi, BMW, Ford and Mini now have Alexa as part of their infotainment system.
Alexa HMI integration for cars – Elektrobit
Alexa in the car: 4 devices to try from and others - Gearbrain
Vehicles with Alexa
Vehicles with Alexa - Alexa Auto —
Alexa Adds Voice To Smart Home Conversation - Gearbrain
Alexa on the road: how to create a voice first in car experience
Alexa is coming to devices way beyond the Echo range
Understanding the Alexa APIs for In-Vehicle Use: Part II
BMW announces Alexa-style voice assistant for 2019 cars - Gearbrain
Google Built-in vs. Alexa Built-in: What's the Difference?
Activating Alexa Car Integration in Your BMW Is a Snap With
Alexa in Your Vehicle - Enrich every drive with Alexa
Alexa in your car: These are the vehicles with Alexa built