I purchased a 2018 GMC Terrain SLT in 2018, car wa...

I purchased a 2018 GMC Terrain SLT in 2018, car was brand new. The MSRP was $38,000, two years later I am interested in trading it in and already this car is only worth $18,000. So now I am negative $10,000 in equity on this car. Do not buy a GMC Terrain, the road noise is horrible.