Renault Modus Radio Replacement

Hi, as the lazy guy said, you need to add an extra €60 for the wheel command
announce a budget for the car radio and the speakers
ps: it’s better to put speakers in the front than in the back unless you have passengers

Okay, then €100 will be fine. You have the choice between several brands: JVC, Clarion, Kenwood, Alpine, and Pioneer. The brands I mentioned are reliable.

For the speakers, you need to budget at least €130 for new ones or €80 for used ones to get better than the original. For the rear speakers, there's no point in putting them in; you won't get better sound. On the contrary, it will be worse because the sound should come from the front, like a soundstage or a concert.

Alright, you're starting to annoy me, so
First, for the car radio, let me know which one does Dolby Digital for 100€ new
For good speakers better than the original, you'll give me a list for 130€ new
And also, Pioneer makes better high-end speakers than JBL and Focal in the lower range, do the same thing for me, give me product examples

Ok then keep the original speakers because otherwise it won't be better unless you're open to used ones.

The steering wheel controls depend on the vehicle's year; you won't be able to connect just any compatible car radio to the original adapter, otherwise no brand would offer their own adapters with different connections and links from one brand to another. (the competition)

With 100 euros, you won't get the steering wheel controls... you should budget at least 200 euros for a new one, and perhaps with a bit of luck, 100 euros for a used one.

For the front and rear door speakers, you can place this:
http://www.sebastoautoradio.net/produit-6853-FOCAL-130A1.html

A good efficiency of 88dB knowing that you are situated less than 1m from each speaker, the Modus being a compact city car, you won't need speakers that go lower in bass to have enough; the power of the car radio replaces 40~50Watts RMS, I doubt you'll turn the volume all the way up (unless you have a limousine or you're a "jacky"? x)