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NASCAR Replaces Xfinity Title Sponsor with O'Reilly Auto Parts in 2026
O'Reilly Auto Parts ends Xfinity's 11-year sponsorship with a multi-year deal to rebrand NASCAR's secondary series and boost fan engagement, with a 17% viewership rise this year.
On Jan. 1, 2026, the NASCAR Xfinity Series will be renamed the NASCAR O’Reilly Auto Parts Series as part of a multi-year sponsorship deal, NASCAR announced on Aug. 18.
With Xfinity's run nearing its end, the sponsorship concludes after 2015, though Xfinity remains a premier partner of the NASCAR Cup Series.
Amid rising viewership, the series averages 1.1 million viewers with 19 of 23 races over one million, broadcast exclusively on The CW Network.
Steve O’Donnell said O’Reilly’s American roots and passion for fans will fuel the series' future, with new initiatives and fan engagement expected.
With a new title sponsor lined up, fans and drivers can expect further details as the 2026 racing season approaches, marking the series’ fourth sponsorship change.