Sauber F1 Team
Sauber will unveil their 2014 challenger online on Sunday 26 January.
The C33, which will be driven by Adrian Sutil and Esteban Gutierrez, will be unveiled two days before the start of testing at Jerez.
The first test for the 2014 season takes place at Jerez between the 28th and 31st of January.
Sauber will be the third team to unveil their 2014 machine.
McLaren is to launch the MP4-29 on Friday 24 January, followed by Ferrari a day later, both online.
Red Bull, Mercedes and Caterham will unveil their cars in the pit lane on the morning of the first day of testing.
