I like the premise, it seems to suggest a wacky comedy/adventure, like Bill and Ted or something like that. So my feedback is a bit different-

I think what you are probably trying to do is mashing up a mundane task (teenager trying to recover dad’s car) with a big interstellar space conflict. So his ostensibly mundane task with low stakes ends up becoming something much bigger- saving the galaxy (and then recovering or not recovering the car at the very end.)

So you want to convey that in your logline, while still retaining the comedic aspects and tone. So something like this (but smoother)-

“When his father’s company car is seized by a tyrannical federation?s mothership stranded in enemy space, a fickle teen must team up with a fearsome?alien commander?to not only retrieve the car but also to?prevent?an all-our inter-galactic?war that will destroy Earth.”