[citation needed] It wasn't until 2002 that Earnhardt Jr. turned the business into a race team when T. J. Majors drove street stock division at Concord Motorsport Park in North Carolina.

JR Motorsports in its current form, competing in the NASCAR Xfinity Series started in 2006 when sponsorship from the United States Navy funded the team.

JR Motorsports drivers Noah Gragson, Zane Smith, Sam Mayer, and Adam Lemke were among the inaugural members of the program.

[2] On April 11, 2021, Earnhardt Jr. hinted that JR Motorsports may move up to the Cup Series, given the proposed savings associated with the debut of the Next Gen car in 2022.

However, on April 11, 2021, Earnhardt Jr. hinted that JR Motorsports may move up to the Cup Series, given the proposed savings associated with the debut of the Next-Gen car in 2022.

[8] Despite the most Daytona 500 entries in a decade since the imposition of the charter system,[9] Allgaier would finish as the top open car of his duel and make the field for the race.

In 2011, the 5 car returned as JR Motorsports' 3rd entry, with Dale Earnhardt Jr. and Ron Fellows running a handful of races part-time.

[33] Super Late Model driver Austin Theriault drove the car in a three races for the team starting at Iowa.

The remainder of the schedule was filled out with Scott Wimmer, Dale Earnhardt Jr., Landon Cassill, Steve Arpin, Josh Wise and J. R. Fitzpatrick.

Regan Smith, a former teammate to Dale Earnhardt Jr. at DEI who served as his substitute driver in the Cup Series late in 2012, was signed to drive for the team in 2013.

In 2018, Allgaier had a career-best season winning 5 races at Dover, Iowa, Road America, Mid-Ohio, and Indianapolis while also clinching the regular-season championship, but he ended up finishing 7th in the final standings after being eliminated in the round of 8.

At the second-to-last race of the 2019 season at Phoenix, Allgaier had possibly been set to finish 2nd for the sixth time of the year until he suddenly witnessed race leader Christopher Bell getting flagged for speeding on pit road at the end of Stage 2, nabbing his 1st victory of the season and 3rd Championship 4 appearance in the last four years after leading 85 laps.

9 car made its debut in 2014, when an 18-year-old Hendrick development driver named Chase Elliott was signed to drive a fourth entry for JR Motorsports.

In a surprise move, NAPA Auto Parts, which recently left Michael Waltrip Racing and was rumored to depart from the sport, signed on to sponsor the full season.

[62] After the Boyd Gaming 300 at Las Vegas Motor Speedway, the team was revealed to have violated Sections 12–4.2 (P2 penalty) and 20A–12.8.1B (car exceeded minimum front height) of the NASCAR rulebook.

Elliott managed an outstanding feat of passing the 5 cars in front of him en route to his second win of the season.

Tyler Reddick was signed to a full-time schedule for the 2018 Xfinity season, replacing William Byron, who was promoted to the Monster Energy NASCAR Cup Series.

At the September Darlington race, Gragson won a three-car battle with Sheldon Creed and Kyle Larson on the closing laps.

88 debuted in 2005 at the Ford 300 with Mark McFarland driving with sponsorship from the United States Navy, qualifying eighteenth and finishing twentieth.

[82] He won his first race at Nashville Superspeedway and later picked up another win at Bristol Motor Speedway, finishing third in points but lost the Navy sponsorship for 2009.

88 car in favor of Cup driver Jamie McMurray after only five races run, with only one finish below 17th (a crash at Las Vegas).

[88] Elliott Sadler, Greg Sacks, Aric Almirola, Steve Arpin, Coleman Pressley, Dale Earnhardt Jr. and Ron Fellows all ran races in the car to finish out the season.

Former DEI development driver Aric Almirola moved up from the Truck Series to drive the car full-time in 2011 as a part of a 2-year deal.

[89] Earnhardt Jr. raced the car at the Federated Auto Parts 250 in Richmond, where he led a race-high 96 laps before finishing in fourth place.

[92] With Josh Berry driving the 8 full-time in 2022, Earnhardt Jr. opened a fifth part-time entry for himself at Martinsville and for Miguel Paludo at three of the road courses.

Kasey Kahne, Kevin Harvick, Kyle Larson, Alex Bowman, and Jeb Burton also ran races in the No.

In early January 2017, JRM announced the end of their participation in truck racing - to focus fully on their Xfinity Series entries.

In 2016, the team fielded a second truck numbered 49 for Nick Drake, like Cole Custer a Haas Racing Development driver, beginning at Dover.

[109] William Byron scored a single victory to finish runner up to Berry for the NASCAR-sanctioned track championship at Hickory.

JRM's late model program has fielded rides for current NASCAR spotter T. J. Majors and Jeremy McGrath.