I have a new 2021 Sorento 3 PHEV and love it.
I had a 2019 Q7 50tdi and the space inside the Sorento is better. It sis certainly much larger than the Kodiaq and I believe the new Sorento, despite being based on the same platform as the Santa Fe, has a slightly longer wheelbase, again adding to more interior space.
In terms of driving then, if you do lots of journeys less than 30 miles, the EV mode is great. Although it only has an 89 HP electric motor it never feels under-powered for you normal day to day driving so I am spending the vast majority of my time in full ev mode.
The kit levels are great in my 3 with full adaptive cruise, Highway driving assist, etc and electric leather sets with front and rear heating. There are also stupidly practical things like usb sockets on the upper part of the front seats and in the third row, along with third row climate controls, cup holders in the rear doors, etc.
In terms of driving, then I don't get the same magic carpet ride that I had with the Q7 and its air suspension and there is not the same effortless power but it is fast enough for me and the space is great.
Overall, I would say this si the best value 7 seater SUV for anyone who wants the space in the third row to actually put people. I had an XC90 as well before the Q7 and it is flashier, but no more practical and the PHEV version is ridiculously priced. I have also read that the XC() has a really thirsty engine when the battery runs out.
Definitely get a test drive of a PHEV and I think you will be impressed. It's also good not ot be driving the same type of car that all the other parents at school drive! Any questions just ask.