Those are also much larger vehicles that probably need a bigger slope in order for gravity to accel them down it. When you car is lighter (and more aerodynamic) gravity will accelerate it down a hill easier.Robyn P said:Mine does the same. However, my mothers Avalance and my Nissan Xterra that I traded does not/did not have this problem. They keep/kept a consistent speed going up or down hill.
Bjornboy81 said:Those are also much larger vehicles that probably need a bigger slope in order for gravity to accel them down it. When you car is lighter (and more aerodynamic) gravity will accelerate it down a hill easier.
Probably due to gearing differences.Robyn P said:I guess I should have stated I have not noticed any other cars doing this other than the G6. I've had a 97 Calvalier RS, 99 Grand Am GT, 00 Maxima, and 02 Xterra. All had cruise control, never noticed the speeding up until I got the G6. I have actually felt the breaking in some of them.![]()