That’s the view of Red Devils legend Ryan Giggs.
City top the Premier League table, level on points with United after seven games.
Both Manchester sides have won six and drawn one of their opening clashes.
Tottenham trail City and United by five points, while Chelsea are a further point behind.
And Giggs says the Manchester sides are the teams to beat, however, Chelsea will be up there at the end of the season.
“I think it is too early to say it’s a two-horse race in the Premier League,” Giggs told Sky Sports.
“I’ve been in India so I didn’t see Manchester City win at Stamford Bridge but you’ve got to take into account Chelsea’s week, going to Stoke then getting a hard-fought win at Atletico Madrid.
“I think it is too early to say it’s a two-horse race in the Premier League”
“I think Chelsea will still be in the mix but you’ve got to say City and Manchester United have been impressive and are the teams to beat.
“I think we are seeing the managers, Pep Guardiola and Jose Mourinho, imprinting their own visions on their teams.
“In Pep’s case, with the goals they score and the chances they are creating, it’s exciting for City fans right now.
“You see a bit of both at United, with a really strong defence but then scoring plenty of goals as well.
“The Southampton game was a good example, playing really well in the first half but then shutting up shop in the second.
“We’re still waiting to see if City can win games when they don’t play as well, so the real tests await for both sides.”