vibrations

2003.5 MSP w/120k on the odometer, It's been mine for less than a month now, I am the 3rd owner, my sister being the 2nd and idk who the 1st was. Anyways she's my daily, drive eh approx. 30 miles a day. Mostly at speeds between 35-60 mph, with the occasional stop & go bs traffic. * My concern...

Three months ago I purchased a 2008 CX-9 AWD- Grand Touring- Bose RES and Navi for my wife. I bought the car from a very reputable GMC/Buick dealership with 53,000 miles. The sales manager is a personal friend of mine, and I have purchased all of my vehicles from him. About a month after we...