TCR International Series

TCR International Series is a worldwide touring car series organized since 2015. During a given season there are a total of 11 rounds consisting of two races each on different race tracks, the TCR International Series merged with the World Touring Car Championship (WTCC) to form the FIA World Touring Car Cup (WTCR), which is also held with vehicles in accordance with the TCR regulations.

History
On July 15, Marcello Lotti, who also promoted the championship WTCC, gave details of the series. On July 21, 2014 it was announced that the race weekend format for this series would be the same as in World Touring Car Championship and the competition takes place all over the world, from Italy to Argentina to Thailand. On August 14 it was announced that in 2015 a twin Asian series TCR Asia Series with the same rules. On September 15, the organizers of this series published the first teams, regulations and rounds. The first team was the Target Competition, which started in cup competitions SEAT León. On October 31, 2014, the calendar for the 2015 season was announced, consisting of 12 rounds played on 3 continents and on five tracks on the Formula One circuit. The races accompany Formula 1 on 3 tracks (Sepang International Circuit, Shanghai International Circuit and on Marina Bay Street Circuit). On November 7, the Swedish team WestCoast Racing entered three Honda Civics. On November 20, 2015 the Liqui Moly Team Engstler team, in which Franz Engstler is competing, has been entered. On December 5, 2014, the series was approved by Fédération Internationale de l'Automobile and the series was renamed from TC3 International Series to TCR International Series. Cars in this series have a power of 330 HP. On January 27, 2015, 3 new teams were reported: Zengő Motorsport, Proteam Racing and Campos Racing. On March 20, 2015, the organizers of this series have approved the first TV deals for the inaugural season. On March 28, the first race in history was won by a Swiss Stefano Comini. 14 competitors took part then, but 17 competitors signed up, incl. Gianni Morbidelli, Pepe Oriola, Sergey Afanasyev, Jordi Gené, Michel Nykjær, or Andrea Belicchi.

The first champion of the TCR series was Swiss Stefano Comini in a Seat Leon TCR from the Italian team Target Competition, which also won the team championship. In the following year Comini was able to defend its title on a Golf GTI TCR from the Leopard Racing team, and the Craft-Bamboo Lukoil team became team champion. In 2017 Comini changed teams again and drove an Audi RS 3 LMS for Comtoyou Racing. With this, however, he did not achieve his third title win in a row, but was runner-up behind his previous year's teammate Jean-Karl Vernay. For Leopard Racing it was the second drivers title in a row, the team championship this time M1RA won.

The FIA World Touring Car Cup (WTCR) has been held since the 2018 season. This emerged from the merger of the TCR International Series with the World Touring Car Championship. The TCR (TCN2) regulations are adopted for the technical regulations. Since the TCR concept provides for customer racing, no works teams are possible in the WTCR, which is why the FIA ​​was not able to further announce the world championship status.

Seasons

 * 2015 TCR International Series
 * 2016 TCR International Series
 * 2017 TCR International Series

Technical regulations
On 15 September 2014, technical regulations for the category were announced. On 22 January 2016, minor changes were applied.

Eligible cars: 4/5-door vehicles Body shell: Reinforced production body shell; wheel arch modifications allowed to accommodate tyres Minimum weight: 1250 kg for cars with production gearbox, 1285 kg for cars with racing gearbox (both including the driver) Minimum overall length: 4.20 metres Maximum overall width: 1.95 metres Engine: Turbo-charged petrol or diesel up to 2.0-litre Torque: 420 Nm Power: 350 PS Lubrication: Wet sump Exhaust: Homologated catalytic converter using production parts Traction: On two wheels Gearbox: Production or TCR International Series sequential; production paddle shift accepted Front Suspension: Production lay-out; parts free design Rear Suspension: Original design of production car with reinforced components Brakes: Wheels: Maximum dimensions of rim: 10″ x 18″ Aerodynamics:
 * Front: max 6 piston calipers, brake discs max diameter 380mm
 * Rear: max 2 piston callipers; production ABS accepted
 * Front splitter: 2014 SEAT León Eurocup
 * Rear wing: FIA Appendix J Art. 263 2014
 * Ground clearance: Minimum 80 mm
 * Power/Weight Ratio: Subject to the Balance of Performance (changing between +70 and −20 kg from the minimum car weight)