If Ibrahim had lived he would have been a Siddiq and a Prophet. Imam Ahmad narrated it. Its narrators are the narrators of al-Sahih - Fayd al-Qadir sharh al-Jami al-Saghir

Fayd al-Qadir sharh al-Jami al-Saghir cover - al-Manawi
If Ibrahim had lived he would have been a Siddiq and a Prophet - al-Haythami said Sahih, Fayd al-Qadir (al-Manawi)