Trump is rated more highly than Vance by Republicans on presidential qualities; Democrats rate Vance higher

Honesty and trustworthiness: Do you think [Donald Trump / JD Vance] is honest and trustworthy, or not? (% saying honest and trustworthy minus the % saying not honest and trustworthy)
Strength of leadership: Would you say [Donald Trump / JD Vance] is a strong or a weak leader? (% saying very or somewhat strong minus the % saying very or somewhat weak)
Personal likability: Regardless of whether you agree with him, do you like or dislike [Donald Trump / JD Vance] as a person? (% saying like a lot or like somewhat minus the % saying dislike a lot or dislike somewhat)
Presidential temperament: Do you think [Donald Trump / JD Vance] has the temperament to be the President? (% saying yes minus the % saying no)
International crisis management: Are you confident in [Donald Trump's / JD Vance's] ability to deal wisely with an international crisis, or are you uneasy about his approach? (% saying confident minus the % saying uneasy)

For each question, this chart subtracts Vance's net score from Trump's net score.