"Of course we were lucky today, but the race is also about finishing. It's about reliability and not making mistakes.
I don't know what happened to Max and Kimi," said Norris.
The McLaren driver noted that a poor start complicated his race and left the team with extensive technical areas to analyze before the next round.
"Poor start today, I don't know why, so we have to understand some things.
Also the car just wasn't very nice in any way whatsoever today, so we have a lot to improve," said Norris.
Despite maximizing the weekend's points haul, Norris remained critical of the underlying machinery and the competitive gap to rivals.
"The positive is the results, and that's really the only thing that matters at the end of the day, but the pace to get them was really, really not good.
We need to take a big step forward," said Norris.
Speaking further to GPblog, Norris expressed surprise at the final classification given the extreme physical difficulty of managing the MCL38 car.
"I don't know how we finished P4 today, honestly.
But a big part of it nowadays is reliability, I don't know what happened to Kimi, and Max, and things like that.
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A big part of it is just not making mistakes and reliability, and we got that bit right today but the pace was pretty poor.
Not a nice car to drive, one of the hardest cars I've ever driven in Formula 1. Many things we need to do better," said Norris.
