2k for coils is fair to me, for 2k you can get performance and comfort.
I don't track this thing but coils let me choose my drop, 20mm, and they came with adjustable top hats.
My MCA street performance coil overs piss on the OEM Sachs for performance as well as comfort.
https://mcasuspension.com/products
I would spend my money on handling before huge rims and tyres. But then I don't even like wide bodies and/or big rims on cars that don't need the rubber.
How long will the body work last before rusting out is another factor to look at, plus lose of value at resale.....meh