Phoenix Racing (#18), which leads both the European standings and Championship of the Continents, will be hoping to secure a hattrick with its Audi R8 LMS Evo II, following outright wins at Spa-Francorchamps and the Hockenheimring. 

Season-long championship rival Car Collection Motorsport has registered its first three-car line-up since last year’s Hankook 24H BARCELONA, having confirmed two Audi R8 LMS GT3 Evo IIs in the GT3 class (#3 and #34) alongside a GT4-spec model (#499). Fellow Audi runner JUTA Racing (#71), currently 3rd in the European standings, will be looking to follow up its maiden outright podium at Hockenheim.

Herberth Motorsport (#91), the only team to take multiple outright wins at the Hankook 24H BARCELONA since CREVENTIC began organizing the event in 2011, could be on course to make series history if the Bavarian team emulates its 2016, 2018 and 2021 wins. 

Reigning Overall GT Teams’ champion ST Racing (#1) looks set to make its 24H SERIES return at Barcelona, and will surely be looking to repeat its maiden outright win with the BMW M4 GT3 earlier this year in Mugello. The Canadian team will be in good company, Poulsen Motorsport (#14) having also registered an M4 GT3 for the Danish squad’s first series start in six years.

2017 Overall GT Teams’ champion Hofor-Racing (#11) has also confirmed its first event with the Mercedes-AMG GT3 since the 2019 Hankook 24H BARCELONA. The former series champion continues its collaboration with Bonk Motorsport with two TC-entered BMW M2 CS Racings

Though the German team has endured mixed fortunes at the Hankook 24H BARCELONA in the past, a strong showing, and an outright podium, for WTM Racing (#22) at Spa-Francorchamps suggest the Ferrari 488 GT3 will be one to watch in Barcelona. 

SAINTéLOC Racing (#26) and Huber Racing (23) complete the GT3 entry thus far, the latter, a 991 and 992 class staple in the 24H SERIES, set to make its first start in the GT division’s top tier with a Porsche 991 GT3 R.

992 standings leader Red Camel-Jordans.nl (#909) looks set to continue its tight championship fight with nearest rival Red Ant Racing (#903 and #904) in Catalonia, though the trio could face stiffer competition than usual.

Series staple HRT Performance returns to action with a duo of Porsche 992 GT3 Cups (#928 and #929) following a strong near-win earlier this year in Mugello. ID Racing (#977), a podium contender in both Dubai and Abu Dhabi, similarly returns with a loan entry in 992, while Germany’s Plusline-Racing-Team by Terting&Müskens (#905), fresh from its first series podium at the Hockenheimring, will hope for similar fortunes in Barcelona. 

Luxembourg’s DUWO Racing (#908), a former class champion in CUP1, makes its first start since its collaboration with Herberth Motorsport achieved a GT3 class podium in Dubai.

Speed Lover (#978 and #979) enters its now customary two-car line-up for Barcelona, one apiece for the 991 and 992 categories. Among the Belgian team’s chief rivals will be Lithuania’s ES Motorsport (#907), set to make its series debut at the Hankook 24H BARCELONA, and the returning Willi Motorsport by Ebimotors (#955). The reigning 991 Teams’ champion last competed at this year’s Hankook 12H MUGELLO, but ended their Tuscany weekend early after a big hit on-track. 

Spain’s E2P Racing (#910) meanwhile, which now leads the 991 Teams’ standings, will hope to replicate its recent class win in Hockenheim on home turf.  

Series debutants Three Sixty Racing rounds out the all-Porsche contingent with a two-strong entry (#926 and #927) in the 992 class. 

An intense fight for GTX Teams’ honours looks set to go down to the wire in Barcelona. 2019 Overall GT Teams’ ‘Continents’ champion Leipert Motorsport (#710) and Lithuania’s RD Signs – Siauliai racing team (#720) are currently level on points in the European standings, with Vortex – which has entered two of its eponymous lightweight sports cars for Barcelona – just one point further behind. 

A similarly competitive encounter seems assured in the GT4 category as well. AltlasBX Motorsport (#403) makes its 24H SERIES return in Barcelona, but will have to fend off current GT4 Teams’ standings leader TEAM ACP – Tangerine Associates (#421) and the latter’s sister entry Veidec Racing by JJ Motorsport (#422) if the South Korean team hopes to replicate its 2020 Hankook 24H DUBAI class win. 

CWS Engineering will continue its development program with the new, V8-engined Ginetta G56 (#478) at the Hankook 24H BARCELONA, while America’s RHC Jorgensen-Strom by Century (#450) will make its first start since taking 3rd in-class earlier this year in Dubai.

Senkyr Motorsport (#444) and Overdrive Racing (#409) round out the GT4 class thus far, the former in its first race since 2019, the latter preparing for its 24H SERIES debut with a Porsche 718 Cayman GT4 RS Clubsport.

For the second 24H SERIES event in succession, BBR has confirmed two entries – a CUPRA TCR (#158) and the CUPRA Leon Competición TCR (#159) – as the Thai team looks to put its lead in both the European standings and the Championship of the Continents out of reach. Of course, nearest rival Holmgaard Motorsport (#102), fresh from its maiden win at Spa-Francorchamps and its first series podium with its brand-new CUPRA Leon Competición, will have other ideas… 

Three-time Overall TCE Teams’ champion Wolf-Power Racing (#116) will look to rejuvenate its season in Barcelona after a run of bad luck with the Audi RS 3 LMS. As indeed will 2021 division runner-up, and fellow Audi runner, AC Motorsport (#188), which will be aiming to round off its European season on the TCR podium. 

Fresh from its series return in Portimão, Malaysia’s Viper Niza Racing (#165) will be back in the TCR hunt in Barcelona, as will NOKER Racing Team (#104), which will be eying the overall TCE podium after strong performances in Mugello and Spa-Francorchamps.

Spain’s RAIL EQUIP BY TOTCAR SPORT (#123) and PCR Sport (#217) round out the TCE division runners thus far. The former celebrated a maiden class podium earlier this year at Spa with its CUPRA TCR, while the latter makes its first series start with the Ligier JS2 R since its TG podium in Abu Dhabi.