Looking for a car audio solution with the following parameters

I have the following
- 2009 Nission Cube with the factory stereo (.8" AUX in)
- Bluetooth to .8" converter
- IPhone with 16 Gb RAM, 5Gb data plan,  Plex Media Server client,
- Home-based Plex media server running Centos with 500 Gb  Music.
- Windows 10 Virtual Machine on Server running  Itunes with all media loaded in library.

Currently, I stream all my music from my home server to my iphone while on the road.
I use the bluetooth / .08" adaptor to get the music from the phone to the stereo.

Downsides
- Sucks my data plan
- Plex interface doesn't lend itself to voice control.

I've considered ITunes match, downside is it still sucks my data plan.

I like the idea of a car computer. I'm an IT engineer and have lots of old laptops, etc.

Goal is to have 500 Gb of media local to my car and some sort of voice activated control to select it.

I'm willing to invest in hardware and software.

- A car receivers that have a USB external storage and some sort of  IOS interface
- Running MAC OS on a laptop with itunes /all media and some sort of hook into itunes on the iphone with audio coming out of either the Ios laptop or the phone?
mattinvtAsked:
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MereteCommented:
The problem here is the car computer.and voice activated.
My 2016 Mitsubishi ASX  with touch screen and has a voice activated audio player built in.
 I dont know if you can buy these for your particular model it's probably too old to accommodate them.
So to give you some ideas as a starter..
First
Here's some help  connecting your iPhone, iPad, or iPod touch with your car stereo
https://support.apple.com/en-au/HT203412

If you have a spare space in the front of the car for the small Echo voice activated media player. Does all of what you want in one small speaker
Amazon Echo voice activated connect all your music to it.
http://www.computerworld.com/article/2844402/amazon-launches-echo-voice-activated-personal-assistant-music-player.html
https://www.amazon.com/Amazon-Echo-Bluetooth-Speaker-with-WiFi-Alexa/dp/B00X4WHP5E
https://www.amazon.com/All-New-Amazon-Echo-Dot-Add-Alexa-To-Any-Room/dp/B01DFKC2SO

refs to>
Goal is to have 500 Gb of media local to my car<< this is easy to accomplish, if you have a cigarette lighter that can be used to plug in a small FM transmitter. But no voice activation.
It's an mp3 player and you add to it a USB stick with all your mp3 tracks on.
Tune in the FM station on your car stereo and your done.
They also come with a remote control.
There are the very simple Car FM USB  stick which I use in my old toyota sportiva  but has no voice activated.
examples.
this one is wireless and connects the iphone to tthe car stereo
Nulaxy Wireless In-Car Bluetooth FM Transmitter Radio Adapter Car Kit with 1.44 Inch Display and USB Car Charger
https://www.amazon.com/Nulaxy-Wireless-Bluetooth-Transmitter-Adapter/dp/B018E0I01I/ref=pd_lpo_107_bs_tr_t_2?_encoding=UTF8&psc=1&refRID=VZHC7TE9GH28NAP48MD8 
There are numerous Car USB FM transmitters have a browse

Okay this is just to give you something to digest over.
Get some ideas and post back.
Merete
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Kyle SantosQuality AssuranceCommented:
Who is your data carrier and how many lines do you have?
Verizon, AT&T, TMobile, and Sprint all offer unlimited talk, text and data now.  I just switched my family to Verizon's new unlimited data plan.
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MereteCommented:
Thankyou Kyle Santos. :)
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