Brand new car, let the dealer worry about it. Probably a bad or out of balance tire.
Probably a wheel balance problem or possibly a bent rim.
Wheel balance, bent rim, bad tire or worn steering components to name a few.
Because it's a Ford
u probabily need an alignment u probabily need an alignment
This is a classic symptom of a tire out of balance. Have the tires inspected for damage and have the tires rotated and balanced. This should solve the problem.
55mph = 88.5km/h
Unless you can tell whether it is coming from the front or the back of the vehicle, check the balance of all your tires. Another possibility - you may have a bad engine mount.
Probably your drive shaft needs balanced. check to see if you have some gunk stuck on it that could be throwing it off it also could be a rim that need balanced or aligned
Check into a new steering dampner, it's a common cause for shake at speed in a Jeep, but it could also be alignment or balance.
Your universal joints are shot, get them replaced asap!
when traveling at 55mph, how many feet do you need to stop
This is not a question its just a statement.