He said: "I think if you see the team last season and this season, (from) the four (pre-season) games we played, the fundamentals are the same".
With Pascal Gross and Markus Suttner signed from Bundesliga side Ingolstadt, Brighton have quickly followed the Premier League trend, creating a multinational squad with a strong European influence.
This will be Guardiola's second season in charge of City, and you get the distinct impression he will have learned a lot from his first season - and that experience will help him become more tactically astute this time around.
The Spanish tactician was somewhat hesitant regarding this club's chances of winning the Premier League title. That was actually their only loss of the summer, which does show they are in good form. Only Chelsea and Spurs outscored City in the league last season....expect that to be reversed this season. Craig Burley believes Manchester City's victory over Brighton is just the beginning for Pep Guardiola & Co.
Meanwhile, Ilkay Gundogan will also miss today's clash.
"Of course, it had an influence on me [the presence of Pep Guardiola here]". "But we've got quality in the team and eventually it made the difference".
Before the game Guardiola spoke cryptically about not always playing Aguero and Jesus up front but on Saturday he gave Brighton the full double blast, which paid off - eventually.
A high scoring game is likely to ensue as these two teams play each other.
Ederson Moraes insists he's unperturbed by his status as the most expensive goalkeeper in history following his move to Manchester City earlier this summer.
Interestingly, Brighton beat City in a penalty shoot-out in that match, with Glenn Murray having scored a last-minute equalizer in time for the Seagulls.
Jesus saw another goal chalked off shortly after the restart, with David Silva straying fractionally offside on the end of a stunning Fernandinho pass and Aguero spurned a one-on-one opening under pressure from Dunk as City resumed their dominance of the contest.
Get live football score and live updates from Manchester City vs Brighton, Premier League 2017-18, here.
They've come close to promotion in recent seasons, missing out in the agony of the playoffs, plus also had deep cup runs, but Saturday proved that this is a city ready for the big time and they are no strangers to visitors from around the world each and every day. As far as the attack is concerned, that was never a problem area for Guardiola.