When it comes to aftermarket ones like what Weathertec produces, even in the same model GT, going from the 550 to the 535, the mats didn't fit on the driver's side. The transmission tunnel has a slightly different shape, and on mine, it would not sit flat. THe OEM ones fit either version, but they don't fit as tight as the Weathertec ones did. Going from one year to the next with an updated chassis, lots of luck. Doesn't hurt to try, though!