For Lucky Escape you have to
Drift a Near Miss (first Drift and then Near Miss).
Do this 10 times and you get the challenge and a Barn Find Roumor.
A good place with many cars to do this fast is Surfers Paradise
This skill has a horseshoe as Icon
Barn FindYou don't get the barn find when you allready unlocked the Porsche 356A
the left one is the Porsche