The two-time Xfinity Series champion from Corning, California, led the final 16 laps and muscled away from Elliott en route to his first win in his 92nd start in NASCAR's premier series.
The 30-year-old Suarez from Monterrey, Mexico, became the first Mexican-born competitor to win in NASCAR's premier series following a dominant run in Sonoma, California.
The 2018 Cup Series champion led 20 of 242 over-scheduled laps and prevailed in a late crossover battle with Kyle Busch to capture the inaugural Cup event in Madison, Illinois.
Denny Hamlin started on pole at Charlotte, but faded quickly and was not much of a factor until a big wreck on an overtime restart left Hamlin with the lead. Hamlin battled Kyle Busch in the second overtime and edged his teammate by 0.014 seconds.
The 41-year-old Hamlin from Chesterfield, Virginia, led four times for 15 of 413 over-scheduled laps and outlasted the on-track chaos and two overtime attempts to notch his first 600 triumph at the Queen City.
Ross Chastain capitalized through two overtime attempts and a late incident involving teammate Carson Hocevar and Ryan Preece to fend off the field and win the North Carolina Education Lottery 200 at Charlotte Motor Speedway on Friday, May 27.