Carter won with 297 electoral votes. He carried Ohio by 11,000 votes and Wisconsin by about 35,000. If Ford had carried those states he would have won.
Apples & Oranges. Nixon resigned rather than face impeachment and trial in the Senate for his wrongdoings. Trump was impeached but acquitted by the Senate for pursuing legal remedies for what he believed was a compromised 2020 election.
Unlike former President Trump, Nixon needed a pardon because he didn’t face double jeopardy.