Giedo van der Garde has been announced as Sauber’s test and reserve driver for the forthcoming season.
Sauber will reveal their 2014 F1 car for the first time before pre-season testing begins.
Esteban Gutierrez will remain at Sauber for a second season in 2014, the team has confirmed, with Sergey Sirotkin taking a test role.
Adrian Sutil will continue his F1 career with Sauber next season after being dropped by Force India.
Nico Hulkenberg said his drive to fourth place in the Korean Grand Prix was one of his best but doubts it will help him claim a place on the grid next year.
Sauber will continue using Ferrari engines next year, the team has announced.
Sergey Sirotkin, who Sauber intend to add to their race team next year, has had his first run in an F1 car in Sochi.
Esteban Gutierrez believes he can have a strong race in tomorrow’s Singapore Grand Prix after reaching Q3 for the first time in his F1 career.
Nico Hulkenberg said he was surprised by how strong his Sauber was in the closing stages of the Italian Grand Prix.
Sauber team principal Monisha Kaltenborn confirmed the team will race Sergey Sirotkin in F1 next year providing he completes enough mileage to gain his superlicence.