Swansea manager Paul Clement saw his side well beaten, with Kevin De Bruyne and Sergio Aguero also on target, but despite his admiration for City, he said his side had contributed to their own downfall.
"The record means a lot - to get 15 victories in a row is fantastic", City manager Guardiola said after his side retained their 11-point Premier League lead. There were some awesome teams.
"In history there were wonderful things like Liverpool in the 80s and United with Alex Ferguson or Chelsea with Jose Mourinho, there were some unbelievable teams".
"But we spoke in the locker room about good recovery everyone, because in three days we have another one".
"This record will be broken but it will not be easy".
"But we are the first ones to win 15 in a row".
Ten different players have scored for City during their winning run, with all bar Delph and Bernardo Silva scoring multiple goals - even defender Otamendi has four.
Two Palestinians killed in Israeli attack in Gaza - local residents
Also on Tuesday, scores of Palestinian youths hurled stones at Israeli soldiers stationed at the Gaza border. Israel holds Hamas responsible for all rocket fire coming from the territory.
Google's Pixel AR stickers are available starting today
It will now ask you to rotate your Pixel smartphone to create a surface so that the stickers can be placed in a ideal place. If you are in the market for getting a brand new flagship smartphone, the Google Pixel 2 is now one of your best bets.
Fatal gas plant explosion 'injures 18' and melts cars
Russia's Gazprom Export said it was working on redirecting gas flows and trying to secure uninterrupted supplies to clients. He added that " technical problems " caused the explosion, and that there was " no indication of terrorism ." .
Guardiola admitted that it was an awkward fixture coming just three days after the Manchester derby and ahead of Saturday's game against title rivals Spurs.
United manager Jose Mourinho had complained that City had played music too loudly after their Old Trafford win, leading to reports of ugly scenes in the corridor and a Football Association investigation into the incident.
Asked what the record means, Guardiola told reporters: "A lot".
"Our job depends on it if we win and we are happy in our jobs and our lives".
"A lot [pleased me about the game]".
"It's the fact that we feel every single game now is going to be tougher and tougher for everyone when it feels like our opponents have even more will to beat us", the Germany worldwide said on the club's website (www.mancity.com). When (my players) don't have the ball they go to win it like animals. "That is the good thing".
"It wasn't nice to see that from my point of view".
People like videos so I've put the match highlights above, but this wasn't the kind of match that could accurately be summarized by a neat and tidy collection of each team's best chances. "We knew it was going to be a hard night, but I would say they are one of the best sides I have ever come across".