I recently purchased a '17 GT PP. The '18 was intriguing but the deal I got on my '17 paired with my preference on the looks sold me. If you do go with and '18, you may want to wait until next summer when you'll be able to get a better deal. Good luck!
Was it the whole car or just the hood? When I had an S197, I noticed my air deflector under the car came loose which caused a lot of hood vibration above 70mph. Upon properly re-securing to my car, the issue went away.
Just another thought...good luck!
I noticed the same thing on my car one week after purchase. I used a clay bar and a soapy water solution to remove the contamination. I then put a layer of wax on the car. I haven't had any issues since applying the wax.
Hey everyone! My name is Phil and I recently upgraded to a 2017 Mustang GT PP in white platinum from a 2014 Mustang V6. I put quite a bit of work into my last car and I am looking forward to making this one my own as well. All in all, I'm loving the improved power and handling that my s550 has...