by facelift I mean a minor update to a car, not a generational one

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I’ll start with the Porsche 997, the 996 looked alright imo, but it looks “like a 90s Porsche”, the 997 made it look sleeker and more modern.

Bruh, that’s a new generation.

Anyway, mine would be the F20 BMW 1 series. I consider the pre-facelift one of the worst looking BMWs ever (though they’re trying hard these days to knock it down a few spots), while the post-facelift looks great.

Looks like it has a moustache.