With a time of 1.43.585, the Brazilian duo Marcelo Hahn/Allam Khodair (Mercedes AMG GT3 Drivex School) topped the overall rankings of the Barcelona winter tests.
Rinaldi Racing, who is back for a full-season campaign, brought four Ferraris 488 GT3.
#11 Christian Menzel/Leonard Weiss
#22 Georg Weiss/Oliver Kainz/Jochen Krumbach
#33 Dominik Schwager/Rinat Salikhov
#333 Andrea Montermini/Vadim Kogay
BMW Teo Martín Motorsport is focusing on comparative work between the 2017- and 2018-spec BMWs M6 GT3.
#4 Fran Rueda/Lourenço Beirão/Márcio Basso/Nonô Figueiredo
Vincenzo Sospiri Racing, which will make its debut in the series, is testing with one Lamborghini Huracán GT3 .
#6 Nicolas Costa/Giulio Borlenghi/Kang Ling
Polish squad Olimp Racing, who will contest selected events during the season, has brought its two new Audis R8 LMS
#5 Stanislaw Jedlinski
#77 Marcin Jedlinski
Porteiro Motorsport is back to the series after three years and has acquired a brand new Mercedes AMG GT3.
#111 Félix Porteiro/Fernando Palazuelo could not attend because of a family issue.
Krypton Motorsport, the Italian squad which is planning selected events.
#24 Stefano Pezzucchi/Mario Cordoni
Completing the cars on track were five Ferrari 488 Challenge.
MP Racing with four cars
#50 Gostner/Gostner
#161 Gostner/Sermagiotto
#183 Gostner/Sermagiotto
#381 Prinoth/Sermagiotto
ff Corse
#93 Chris Froggatt
and one Ferrari 458 Challenge
Spirit of Race
#28 Heah/Caldani
The second Winter Test exercise is scheduled at Cricuit Paul Ricard (2-3 March).
(Based on International Open GT Press release)