NASCAR Xfinity Series

The NASCAR Xfinity Series is NASCAR’s national “second‑tier” stock car championship, positioned directly below the Cup Series and widely seen as the main developmental platform for future top‑level drivers. It features slightly less powerful, somewhat heavier cars than Cup, but races on many of the same tracks and often shares weekends as the primary support show.

Early development and roots

The modern Xfinity Series traces its lineage to NASCAR’s Late Model Sportsman circuit, which was reorganized into a national touring championship in 1982. That first season, branded as the Budweiser Late Model Sportsman Series, ran nearly 30 races and produced Jack Ingram as its inaugural champion.

Through the 1980s and early 2000s, the tour raced under various Busch‑branded titles, including the Busch Grand National Series and later simply the Busch Series, as it evolved from a regional‑style sportsman category into a full‑fledged national division. During this time it built a reputation for deep fields, emerging stars, and occasional appearances by Cup veterans, which made its races some of the most competitive in stock car racing. The series adopted the Xfinity name in 2015, reflecting a new title partnership while maintaining its role as NASCAR’s primary feeder to the Cup level.

Commercial boom and modern format

As NASCAR’s popularity exploded in the 1990s and 2000s, the then‑Busch Series gained regular national television coverage and increasingly ran on the same weekends and tracks as the Cup Series. That companion‑event model continues today, with many Xfinity races held on Saturdays ahead of Sunday Cup events, giving rising drivers a chance to showcase themselves in front of top‑team owners and large crowds. Title sponsorship changes—from Budweiser to Busch, then to Nationwide Insurance, and now Xfinity—have repeatedly refreshed the series’ branding while keeping its identity as a bridge between grassroots racing and the sport’s top tier.

In recent years, the championship has adopted a playoff format similar in philosophy to the Cup system. Drivers accumulate points and race wins over a defined regular season, with victories and consistency securing one of a limited number of playoff spots. The postseason unfolds in multiple rounds, with a small group of title contenders ultimately advancing to a winner‑take‑all finale where the highest finisher among them in that race is crowned champion. Stage racing, with bonus points awarded at predetermined breaks in each event, encourages aggressive competition throughout the afternoon rather than just in the closing laps.

Machinery and technical evolution

Xfinity Series cars use steel tube‑frame chassis with full roll cages, wrapped in bodies that resemble popular mid‑size performance coupes and sedans. They are powered by 5.86‑liter naturally aspirated pushrod V8 engines, similar in displacement and basic architecture to Cup engines but generally tuned to slightly lower, more controlled power figures at most tracks. A traditional four‑speed manual transmission sends power to a solid rear axle, giving the cars a familiar feel for drivers progressing from regional late‑model tours.

Compared with modern Cup machinery, Xfinity cars retain more conventional components: four‑speed gearboxes instead of sequential transaxles, different aerodynamic packages, and smaller changes in wheel and tire specification. Their overall weight and aero balance produce a distinct handling style that rewards throttle control and momentum, especially on intermediate ovals. Over time, the series has incorporated many of the same safety advancements as the top division—stronger cages, improved seat and head‑restraint systems, and better energy‑absorbing structures—while maintaining a rules package that keeps speeds appropriate for a training ground.

Champions, key players, and manufacturers

Since its national re‑launch in 1982, the series has produced a long list of champions who either went on to star in Cup or became perennial forces at the Xfinity level. Early title holders such as Jack Ingram, Sam Ard, and Larry Pearson helped cement the division’s credibility, while later champions—including Dale Earnhardt Jr., Martin Truex Jr., Kevin Harvick, Kyle Busch, Brad Keselowski, and Chase Elliott—used Xfinity success as a springboard to Cup championships and marquee wins. More recent seasons have seen drivers like Daniel Suárez, William Byron, Tyler Reddick, Austin Cindric, Ty Gibbs, and others carry the banner for the modern era.

Here is a concise list of NASCAR Xfinity (formerly Busch/Nationwide) Series drivers’ champions up to the most recent completed season:

• 1982: Jack Ingram

• 1983: Sam Ard

• 1984: Sam Ard

• 1985: Jack Ingram

• 1986: Larry Pearson

• 1987: Larry Pearson

• 1988: Tommy Ellis

• 1989: Rob Moroso

• 1990: Chuck Bown

• 1991: Bobby Labonte

• 1992: Joe Nemechek

• 1993: Steve Grissom

• 1994: David Green

• 1995: Johnny Benson Jr.

• 1996: Randy LaJoie

• 1997: Randy LaJoie

• 1998: Dale Earnhardt Jr.

• 1999: Dale Earnhardt Jr.

• 2000: Jeff Green

• 2001: Kevin Harvick

• 2002: Greg Biffle

• 2003: Brian Vickers

• 2004: Martin Truex Jr.

• 2005: Martin Truex Jr.

• 2006: Kevin Harvick

• 2007: Carl Edwards

• 2008: Clint Bowyer

• 2009: Kyle Busch

• 2010: Kyle Busch

• 2011: Ricky Stenhouse Jr.

• 2012: Ricky Stenhouse Jr.

• 2013: Austin Dillon

• 2014: Chase Elliott

• 2015: Chris Buescher

• 2016: Daniel Suárez

• 2017: William Byron

• 2018: Tyler Reddick

• 2019: Tyler Reddick

• 2020: Austin Cindric

• 2021: Daniel Hemric

• 2022: Ty Gibbs

• 2023: Cole Custer

• 2024: A. J. Allmendinger

• 2025: Jesse Love

Manufacturers have long used the Xfinity Series as a key battleground, with Chevrolet, Ford, and Toyota all supporting multi‑car operations and pursuing drivers’, owners’, and manufacturers’ titles much as they do in the Cup Series. The mix of full‑time Xfinity specialists, ambitious young prospects, and occasional Cup regulars dropping down for extra track time creates deep, competitive grids and frequent storylines around development and redemption.

Venues, media, and reach

The Xfinity calendar typically consists of around thirty‑plus points‑paying races spread from late winter into the autumn, mirroring much of the Cup schedule while also visiting a few standalone venues. Events take place on superspeedways like Daytona and Talladega, intermediate ovals such as Texas, Kansas, and Charlotte, classic short tracks including Bristol, Martinsville, and Richmond, and an expanding slate of road courses and street‑style layouts as NASCAR broadens its overall portfolio. The season finale is held at a major track—recently Phoenix Raceway—where the playoff format produces a small group of title‑eligible drivers racing head‑to‑head for the championship.

Broadcast exposure for the Xfinity Series is bundled into NASCAR’s broader media deals, with races appearing on major sports cable networks and associated streaming platforms, often as part of double‑ or triple‑header weekends with Trucks and Cup. Radio and digital coverage ensure that fans can follow the action even when they cannot watch live. While the Xfinity Series does not match the Cup Series in raw audience size, it plays a vital role in the sport’s ecosystem by developing future stars, giving sponsors a somewhat more affordable entry point, and delivering consistently tight, entertaining racing.