- The GTX had a more powerful engine, the 440 Magnum V8, while the Sport Satellite had the 383 Magnum V8.
- The GTX had a more aggressive front end with a split grille, while the Sport Satellite had a more conventional grille.
- The GTX had a hood scoop, while the Sport Satellite did not.
- The GTX had unique badging, including a "GTX" emblem on the rear fenders and a "440 Magnum" emblem on the hood.
-The GTX had standard front bucket seats.