This is mostly an issue with German cars. A lower-end Skoda comes standard with features that would cost half the car's price if optioned on a Mercedes.
The equivalent BYD comes with all of that included for free in the cheapest SKU. The biggest differentiator is that the heated seats are only available in BYD's most luxury version of the car, but the most luxury option is still 22% cheaper than the Skoda with equivalent options. BYD does charge more for a lick of paint, to be fair, so if you're looking for a specific colour you may pay a little more.
Perhaps BMW and Mercedes are worse at this, but the 150 euro plastic tray with cup holder says everything that needs to be said.