So Ive been seeing this pop up a lot, where some people are comparing silly ships like a bulk transport vs a advanced space superiority fighter like a defender, against either other and trying to ask, why is the bulk transport not on top.
Honestly,and ive said this again in many other topics, this is where the lore should take more priority when designing these ships then JUST gameplay. The Lore gives the fighters a lot of strengths and weakness, especially if you pay attention to how they were implemented and why, and not only that, but its the lore that made you even care about the ships to begin with. If you only care about numbers and "stats" and "abilities" it really doesnt matter what the ship is then that you are using, go for whatever number you want. Anyway, here is my basic breakdown of the Rebel side, and if this is well liked, i might do the imperial next, I wont go into ships larger then a medium base at the moment, but this is to give you guys some understanding on how most games i played growing up seemed to represent these ships.
X-Wing was taken from Incom to replace the aging Z-95, giving them a heavier firepower and versatility to the star-fighter corp that could outperform most Imperial fighters and some light larger ships, using torpedos instead of concussion missiles. This craft remains a baseline of star wars, where everything else is compared to, similar to how the standard space marine is that for Warhammer 40K.
So lets use the x-wing as a standard for rebels
Y-Wing : Heavier Armor, Slower Speed, heavier shield, lower agility, much heavier firepower, cheap production
This should make the Y-Wing a work horse of the rebel fleet, allowing it to really do massive damage while X-Wings and other rebel craft provide a distraction for it.
Z-95 : Weaker armor, slightly slower speed, weaker shield, sligtly less agile, halved firepower, extremely cheap production
This ship was used in mass, where x-wings were either not available, or for training, so its to be expected not to be as good. But its agility is commendable and close enough to the x-wing that it should not be underestimated, dispite its otherwise weaker stats.
A-Wing : Weaker Armor, MUCH faster speed, much weaker shield, MUCH more agile, halved firepower, average production costs
The A-Wing is an interceptor, not used for assaulting heavy targets, but to reduce the AMOUNT of weak mass targets, this thing should be able to dance in and out of engagement zones at will, with minimal craft able to keep up with it. That said, if it gets overrun, it also will not be able to hold off with just agility, and can be taken out with minimal firepower.
B-Wing : Weaker Armor, slightly slower speed, Much heavier shield, same agility about, much heavier firepower, large production costs
The B-Wing should do everything the Y-Wing can, except tank damage, and better. You want a ship that should be able to be upgraded to even higher production costs and stats, this ship should be one that does it. It came out near the tale end of the Imperial War, and was brought up to be ISD Killers, sure, it might not be the best at starfighter combat, but against most imperial fighters, it should hold its own.
K-Wing : Slightly more Armor, much slower speed, about same shield, much less agile, much heavier firepower, high production costs
The K-wing should act as an AC-130 of sorts, flying circles around a battlefield and bombarding an area of engagement with firepower to aid in whatever they are fighting, this thing can take a hit, sure, but is still a slow large target, and should NOT be unescorted.
Arc-170 : Slightly higher armor, slower speed, about same shield, slightly less agile, same firepower, slightly higher production costs
The Arc-170 due to its age, even when comparing it to the z-95, is almost a x-wing's equal, but the fact that it was designed for actual war tactics instead of full versatility which was needed in the Galactic Civil War. But this also gives the arc-170 something the x-wing cant exactly do. Be Upgraded to crazy levels, due to its age, a lot of upgrading over the years should be available for the ship, and its pilots, should be veterans of the vessel, able to really give edge against more modern and less experienced fighters.