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.
The 28-year-old Blaney from High Point, North Carolina, survived an overtime shootout against Denny Hamlin to cash in a million dollars for the first time in his career at the Lone Star state.
The two-time Cup Series champion prevailed through three head-to-head elimination bracket qualifying sessions to claim his third All-Star pole position at the Lone Star state.
Kurt Busch, the 2004 Cup Series champion from Las Vegas, Nevada, led a race-high 116 of 267 to notch his first victory in the Heartland State and his first driving for 23XI Racing.
The 29-year-old Chastain from Alva, Florida, rallied from an early pit road speeding penalty to overtake Erik Jones on the final lap through the tri-oval to claim his second career win in NASCAR's premier series.