trade in
can I trade in my mac book pro (15-inch, 2017) 16 GB 2133 MHz for new mac book pro max?
MacBook Pro 15″, macOS 11.6
Question marked as
Probably. See the information in Apple Trade In - Apple
You can also use that site to get an estimate.
If purchasing the new Mac from the U.S. Apple online store, you can arrange the trade there at the same time as you do the purchase.