Well, yes, it has aged a bit, rather...
The actors are excellent, though; especially Firth who speaks daggers even when silent.
Besides, this is still to the best of my knowledge the most faithful and most undistorted version, notwithstanding my views on adaptations.
It does not pass the Bechdel-test, however, though that is perhaps not to be expected from a novel published in 1813, and whose plot rests mainly on the fact that women could not legally own property in Great Britain until 1882. (And of course, only married women. Wouldn't have been very useful to the Bennets.)