Old Dialog conducted a poll of 612 people that was broadcast by Channel 10 on April 4 2017.
Current Knesset seats in [brackets]

29 [11] Yesh Atid
27 [30] Likud
12 [13] The Joint (Arab) List
10 [08] Bayit Yehudi
10 [24] Zionist Union
07 [06] Yahadut Hatorah/UTJ
07 [05] Meretz
06 [10] Kulanu
06 [07] Shas
06 [06] Yisrael Beitenu
62 [67] Current Right-Religious Coalition
58 [53] Current Center-Left-Arab Opposition

Scenario Poll: Saar led Likud

Current Knesset seats in [brackets]

29 [11] Yesh Atid
29 [30] Likud – led by Saar
12 [13] The Joint (Arab) List
10 [08] Bayit Yehudi
10 [24] Zionist Union
07 [06] Yahadut Hatorah/UTJ
07 [05] Meretz
06 [07] Shas
05 [10] Kulanu
05 [06] Yisrael Beitenu
62 [67] Current Right-Religious Coalition
58 [53] Current Center-Left-Arab Opposition

Who is most suited to be Prime Minister?

35% Don’t know or None, 23% Netanyahu, 18% Lapid, 11% Saar, 5% Bennett, 4% Liberman, 4% Herzog

Likud voters: 68% Netanyahu, 13% Saar, 6% Katz, 3% Erdan, 10% Don’t know or None