I would just skip straight to the radio, you can get a Metra 99-8231 Dash Kit, which will let you use any double din size radio. I recommend the Atoto f7 xe, which can be found for a bit under $200, and gives you wireless carplay/android auto. Lastly you need a Metra 70-1761 Receiver Wiring Harness, to connect to the car’s wiring.

Its a relatively simple process, and you can technically do it without any soldering.

I would grab an ECU from a scrapyard and start there, pennies on the dollar.

Lead acid batteries are expected to last 3-5 years. Looks like you are due for a replacement.

My 05 matrix has a much better ride than my friends 19’ Chevy Silverado.

Burning the oil doesn’t necessarily burn the oil contaminants. At least continued changing the filter.

How many miles? If your catalytic converter is already going bad after only 10 years, there’s probably something else wrong in the chain. Is it burning oil?

Mine’s probably too old 😂 05’ finally losing paint.

Changing the radio as in replacing it?

for the first change, yeah, then I’d bump back to 7k. They say you can do 10-12k, but oil is cheap, replacement engines are expensive.

Low mileage, great price. Worst case you have to throw some parts at it. I’d go for it.

Maybe if it had 60k not 140…

Just make your first oil change a bit early.

17% APR, absolutely abhorrent. A new car will not dig you out of your hole. Buy a used toyota for 5k, sell your 2022 20k dealer markup dodge charger, and work on paying down the loan.