2018B NASA RallyCross Challenge Season

The 2018B NASA RallyCross Challenge Season was the 16th season of the championship, and the first season with the "Gen-4" era of regulations. It started on June 5th, 2018, and ended on August 14th, 2018.

Pre-season
After the 2018A season, several regulations changed in NASA RallyCross.
 * Gen-4 regulations were announced, with the series running four-wheel drive vehicles supplied by Ford, Subaru, and Volkswagen.
 * Gearboxes also increase back to six gears, after running two seasons of four speed boxes.
 * All circuits have been discontinued except for Daytona, with the series visiting both of the layouts the track has supplied.
 * BFGoodrich becomes the control tire, after 6 years of an open tire war in the series.

Calendar Changes

 * All previous rounds of the championship, per a schedule restructuring, are dropped except for Daytona
 * Daytona expands to two events, with two different layouts.
 * Indianapolis returns to the schedule, after being featured once in 2017B.
 * Lime Rock, New Hampshire, Indianapolis Motor Speedway and Summit Point join the schedule, as the newly renamed "Gymkhana" rounds.

2018B Drivers' Championship
Points are awarded to the top 16 finishers.

2018B Manufacturers' Championship
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