Originally Posted by
bdemaria
Some of the significant differences between GLD & PLT:
#1 - 100% bonus miles (as opposed to 25% for GLD)
#2 - Lounge access on int'l flights (regardless of class of service)
#3 - Higher priority for upgrades
For me, it was #2 and #3. I accumulate miles quickly, so getting more has less value. But the increased upgrade percentage coupled with international lounge access (I was not an AC member at the time) were the most significant advantages. Oh, and the card looks cooler.
Cheers.