trade up from

trade up from (something)

To exchange something smaller, less expensive, or inferior in quality (for something better, larger, or more expensive). We just had our second child, so we'll need to trade up from our tiny hatchback. They've got a lot of great deals at the moment if you're looking to trade up from your crappy old laptop.
See also: trade, up
Farlex Dictionary of Idioms.

trade up from something

to exchange a specific lower-level product for a higher-level product. I decided to trade up from my little car to a much larger one. I can't afford what I have, let alone be able to trade up to anything.
See also: trade, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • trade up from (something)
  • a cut below
  • stepchild
  • red-headed stepchild
  • sacrifice
  • altar
  • be sacrificed on the altar of (something)
  • be sacrificed on the altar of something
  • janky
  • shwag