Well kung saken kasi sir kung 2nd hand purchase, the newer (fresher) the better. But of course ideally if you can find a 98-02 Accord that is still in pristine condition for that price, then no doubt go for the accord. It just so happens that since mababa resale value ng M3, you can get a relatively 'newer' unit for its prevailing market value.
About the M6 naman, personally I wasn't a fan of the looks of the 1st gen, but that's just me. The 2.0 M3 is 'premium' enough for my taste. If you go for the M3 vs M6, you can save the excess in price for some mods and maintenance, with having a relatively 'newer' unit. Its also given that the M6 will consume more and will cost more to maintain than the M3. You just have to weigh if you're willing to sacrifice that for the overall better drive than the M3.
Sorry lalo yata gumulo utak mo.
