
Driver changesPreseason- On September 3, 2006, Pacific Coast Motorsports announced rookies Alex Figge and Ryan Dalziel as the drivers of their newly announced two-car programme for 2007. Both drivers had shared a car for Pacific Coast during two seasons in the American Le Mans Series and Grand-Am Sports Car Series, after being competitors in the Atlantic Championship.
- On January 22, 2007, RuSPORT announced it would retain Justin Wilson, who signed a multi-year deal after two seasons with the team. Wilson had previously been linked with vacancies at Newman/Haas and Forsythe.
- On January 22, 2007, PKV Racing announced Neel Jani as its first driver for the 2007 season, making his debut in the series. Jani switched from the A1 Grand Prix series, where he was a runner-up with Team Switzerland in 2005.
- On February 13, 2007, Team Australia completed their line-up with the addition of the reigning Champ Car Atlantic champion Simon Pagenaud, who took the place occupied by Alex Tagliani in 2006 after a successful Open Test appearance.
- On March 8, 2007, Rocketsports Racing announced the return of Alex Tagliani, who previously drove for the team in 2003 and 2004, and had done both Open Tests in that seat. As the team later joined forces with RuSPORT, Tagliani drove for RSPORTS during the first ten races before the alliance was reverted.
- On March 9, 2007, PKV Racing announced Tristan Gommendy for their #22 car. Gommendy had raced in 2006 in both the GP2 Series and Formula Renault 3.5, where he finished fourth in 2005.
- On March 28, 2007, Minardi Team USA announced their full line-up for 2007 with the return of Dan Clarke and the signing of Robert Doornbos, who replaced Nelson Philippe in the team. Doornbos competed for Red Bull Racing in the last three rounds of the 2006 Formula One season, and had done all pre-season testing for Minardi Team USA, while Clarke's car had been tested by Philippe and Zsolt Baumgartner.
- On March 29, 2007, Newman/Haas/Lanigan formally announced 18-year old Graham Rahal for its second car, previously raced by Bruno Junqueira. Rahal, the son of three time champion Bobby Rahal, had finished second in Champ Car Atlantic, and drove the #2 car during all pre-season testing.
- On March 29, 2007, Forsythe Championship Racing announced the surprise return of Mario Domínguez for a three-race deal, less than a year after being fired from the team before the fifth race of 2006. Domínguez had tested in the off-season for RuSPORT, who eventually did not field a second car. Forsythe had previously negotiated with Jos Verstappen, although the team was keen on downsizing to a one-car operation, and would only run Paul Tracy during winter testing.
- On April 3, 2007, Conquest Racing announced Matt Halliday as their lone driver for the first three races. Halliday, a former Indy Lights driver, switched from Formula V6 Asia, where he was runner-up, and was also racing in A1 Grand Prix for second-placed Team New Zealand.
- On April 6, 2007, Dale Coyne Racing formalized the participation of its pre-season testing line-up, Bruno Junqueira and Katherine Legge, at the Vegas Grand Prix, with both drivers switching from Newman/Haas Racing and PKV Racing. Although no formal announcement was made, Junqueira and Legge raced the full season.
Mid-season- On April 14, Forsythe Championship Racing confirmed that Paul Tracy would miss the Grand Prix of Long Beach due to a compression fracture in his back sustained in a practice crash on Saturday morning, which was initially slated to keep him out for as long as three months. Oriol Servià was announced as the replacement driver for the rest of the weekend. On April 18, Servia was confirmed to drive at Houston.
- On April 21, Pacific Coast Motorsports driver Alex Figge withdrew from the Grand Prix of Houston, citing back pain suffered in a crash at Long Beach. He was replaced by Champ Car veteran Roberto Moreno, making his first start in the series since 2003.
- On May 17, second-year driver Jan Heylen announced it would race at the Belgian Champ Car Grand Prix with Conquest Racing, pending sponsorship agreements, with the possibility of competing in further events. On June 1, Conquest announced Heylen was signed for the rest of the season with immediate effect, after the end of Matt Halliday's three-race deal.
- On May 22, amidst the impending return of Paul Tracy at Portland, Forsythe Championship Racing announced it would retain Oriol Servià in its second car for the rest of the season, replacing Mario Domínguez after the conclusion of his three-race deal.
- Over the summer, Mario Domínguez served as a replacement driver for three different teams, being readily available because of his role as the driver of the Champ Car 2-seater programme:
- * On July 22, Domínguez replaced Tristan Gommendy for PKV Racing at Edmonton, after Gommendy suffered a couple of microscopic fractures in a Friday practice accident on Friday.
- * On July 25, Domínguez was announced by Pacific Coast Motorsports for San Jose to replace Ryan Dalziel, who had sufferied a broken collarbone while training on his bicycle.
- * On August 24, Dan Clarke was banned from the Belgian Champ Car Grand Prix after causing a four car pile up in the first practice session at Zolder, which involved himself, Paul Tracy, Justin Wilson and hometown hero Jan Heylen. The next day, Clarke was replaced for the rest of the weekend at Minardi Team USA by Domínguez.
- On September 11, Forsythe Championship Racing announced David Martínez would replace Oriol Servià in the No. 7 car for the Surfers Paradise and Mexico City races. Martínez had remained on the sidelines for most of the season after making his debut at Mexico City the previous year.
- On September 20, Mario Domínguez replaced Ryan Dalziel again in the No. 28 Pacific Coast Motorsports car, this time for the Surfers Paradise and Mexico City races.
- On October 3, Conquest Racing announced Nelson Philippe would replace Jan Heylen in the No. 34 Conquest Racing car for the Surfers Paradise and Mexico City races, with the team being unable to provide Heylen with a second car. Philippe was thus able to attempt a defense of his race win at Surfers, after not racing for all of 2006.
- On October 16, Oriol Servià returned to the grid without missing a race after signing with PKV Racing for the Surfers Paradise race in place of Tristan Gommendy due to "an unresolved business situation". Servià remained in the car for the Mexico City finale.
Team changes- On July 30, 2006, Champ Car Atlantic team Gelles Racing announced a new two-car Champ Car programme for 2007, with the blessing of series officials. However, no further developments or announcements were made in the following months, and the team eventually cancelled their Panoz DP01 orders.
- On September 3, 2006, Pacific Coast Motorsports announced it would step up to the Champ Car World Series in 2007 with a two-car operation, after racing previously in the Atlantic Championship, the American Le Mans Series and the Grand-Am Sports Car Series.
- On December 18, 2006, former F1 team principal Paul Stoddart announced it had acquired a controlling interest in CTE-HVM Racing. The team was renamed as Minardi Team USA in the style of former Formula 1 team Minardi, which had been owned by Stoddart between 2001 and 2005.
- On February 3, 2007, team owner Éric Bachelart announced that Conquest Racing would downsize its operations to one car, after Mi-Jack decided to not self-fund the team in its co-ownership role. One day earlier, a self-imposed deadline to find sponsorship and keep the team running was met with a last-minute sponsorship deal, shortly after employees had been told Conquest would be closed.
- On March 6, 2007, Mi-Jack announced it had sold back its ownership share in Conquest Racing. On March 9, Mi-Jack owner Mike Lanigan was announced as a new partner of Newman/Haas Racing, with the team being renamed as Newman/Haas/Lanigan Racing.
- On March 29, 2007, RuSPORT and Rocketsports Racing announced an strategic and economic alliance that would see both teams merge as RSPORTS under the joint ownership of Dan Pettit and Paul Gentilozzi. Before the eleventh race of the season at Zolder, it was announced that the two teams would revert to compete separately under their original names.
ScheduleThe 15-race schedule was first released on September 27, 2006. It was expanded to 17 races on January 16, 2007.
| Icon | Legend | | Road course | | Street circuit | | C | Cancelled race |
| Rd. | Date | Race Name | Track | Location | | 1 | April 8 | Color box|peachpuff|S|border=silver
Schedule changes- On September 27, 2006, Champ Car released the 2007 schedule. Notably, the race at the Milwaukee Mile was dropped, which meant that no oval races would be held during the season, for the first time in the history of major American open-wheel racing. The Grand Prix of Monterrey was also discontinued after six seasons. Both events were replaced with street races at Las Vegas and Phoenix, organized by the same promoter and intended to bookend the season, a role held by Long Beach and Mexico over the previous years. Amid interest from NASCAR, the Montreal race was switched for a return to Mont-Tremblant, which had hosted USAC Indy car races in the 1960's, and the fourth attempt on an Asian event was scheduled at Zhuhai, China, after three years of race cancellations in Korean venues.
- On January 16, 2007, the calendar was expanded to 17 races with the addition of a two-legged European trip at Circuit Zolder and TT Circuit Assen, marking the return of the series to the Old Continent after four years.
- On February 1, the Grand Prix of Denver was cancelled for both the 2007 and 2008 seasons, due to scheduling conflicts on the surrounding venues. Although the contract was still in place for a 2009 edition, it would not be fulfilled after the 2008 unification of American open-wheel racing.
- On April 7, 2007, Champ Car announced a change of date of the Zolder event from September 9 to August 26, due to its proximity with the Belgian Grand Prix. The series also confirmed the postponement of the Zhuhai race, which had been reported as early as February. A change of date from May 20 to October 28 was officially requested to and rejected by the FIA, which was the ultimate authority over the allocation of IndyCar's international dates. Its president, Max Mosley, confirmed on June 2 that Champ Car had been aware of the situation since early April, while still including the race in its schedules since.
- On August 28, 2007, the Grand Prix Arizona was cancelled by its promoters due to a lack of corporate support. This eventually led to Champ Car terminating its deal for both this race and Las Vegas for 2008. Champ Car also confirmed that the Zhuhai race wouldn't take place in 2007. While originally "postponed" to 2008, it would not feature on next season's prospective calendar.
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