This is my opinion :

Quaterfinalists

Liverpool

Real Madrid

Juventus

Roma

Man City

Bayern

Barca

Sevilla

So looking forward to the fixtures

Barcelona vs AS Roma

https://qph.ec.quoracdn.net/main-qimg-4d84cde4c832742656e7ce14dd406944.webp

Roma stands nearly a very very little chance to win this tie, they would need some miracle to happen to turn the tide

https://qph.ec.quoracdn.net/main-qimg-7786e9936520e2c6630c7213fbe9f870.webp

Bayern vs Sevilla

https://qph.ec.quoracdn.net/main-qimg-c8c4d8e8089b9cd20ff1d8a0adca2264

Here too, Bayern can easy win. But as of records Bayern has been eliminated almost 4 times by a Spanish Club in Semi Finals. But i don't think so this time that would happen, Bayern could easy push themselves to Semis

Liverpool vs Man City

Liverpool has defeated Man City earlier this season in EPL, further Man City got good potential Attacking as well as Defending, while on other side Liverpool is always criticized for defending but their attackers have things easy for them, i think Man City can pass though this stage.

Juventus vs Real Madrid

https://qph.ec.quoracdn.net/main-qimg-fa8c4fd6f3f66dcbeeabe57bdc7f4fa2.webp

The most exciting game that will be conducted in UCL Quaterfinals, one side where there is Defense quality(JUV), on the other side its Attacking Quality (RMA), In this fixture Real Madrid can draw a Win easily as they had won the Finals against Juventus last year, but something to keep in mind is that everytime when juventus has faced Real Madrid in KO stage, they are always able to Knockout RMA, but when Ronaldo is on the side everything is possible

https://qph.ec.quoracdn.net/main-qimg-c45b722651374fd6376fcf222676d749

Semi-finals

Barcelona

Bayern

Man City

Real Madrid

From here on i think Barcelona won't be able to put forward that much, it's just bcoz they will be having CDR and La Liga along with UCL, it would be difficult for them as Iniesta could find it difficult to cut through this at this ageMan City, i think they will end their Streak to UCL in Semi Finals, but the opponents they will face in Semi finals let it be Bayern or Barcelona or Real madrid, it would be very tough for them to go through,

So finalist

Bayern

Real madrid

This would be an amazing fixture to watch, last year in Semi Finals Bayern were Knocked out by Real Madrid, there won't be any best moment for them to take a revenge,As always Real Madrid performs absolutely brilliant in UCL, with captain will Sergio Ramos anything is possible,While on other side, Bayern have showed their class by scoring 8 goals in 2 Legs at R-16,The things are very tough to be said but Real Madrid can win 3 UCL titles in a row this time,

But then it all depends on the Semi-Finals Match Draw,

I hope, i answered to your question with valid reasons