If you had written a comment which summarized a recent BMW convention that you enjoyed and wanted to share links to interesting things discussed at the convention, and you ended it with "On the other hand, some other cars are too obsessed with <insert irrelevant opinion here>", then yeah, I would consider that snark.

If you instead say "BMW prioritizes horse power, which is why I like it better than X, which seems to prioritize <insert something else here>", then (1) your tone is much less snarky, (2) you've given context to your comment (the BMW horsepower - without that, it is much more snarky), and (3) you've opened up the thread to encourage discussion and alternative opinions, instead of shutting it down with your original tone and phrasing.