Sebastian Vettel: Ferrari return to form took too long

AUSTIN, Texas -- Sebastian Vettel says Ferrari's resurgence at the U.S. Grand Prix came as too little too late as he heads to the next round in Mexico expecting to be eliminated from the title race.

Vettel's teammate Kimi Raikkonen won Sunday's race in Austin, but Vettel could only manage fourth place after a grid penalty and first lap spin left him needing another comeback drive. It was Ferrari's first win since the Belgian Grand Prix in August and came after the team removed a series of updates added to the car at the last three rounds.

The return to form could be seen as a positive for Ferrari, but Vettel was left frustrated that it has taken three races for the performance to improve.

"It…