Rear dome and front door puddle lights, dash storage compartment and woodgrain trim, grille.
Both my cars have tachs and lumbar and split rear foldown, rear ends (i.e. trunk lids) are different but I believe that's mainly a model year, rather than make difference.
If all else equal buy a Mystique IMO.
Edit: Re post below; original list was 1.5% more, but I don't see any more chrome.
98 Mystique LS v6 atx 110,000km
97 Contour LX v6 atx 125,000km
stock CD on LS, cass on LX
spoiler, tinted windows on LS only
4 wheel discs on LX only
All other available options on both
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