Do they salt the roads? Not subjecting it to that will certainly extend the life of your car.

I would also suggest looking at All Trac Toyota Previas.

A friend of mine who collects Porsches has 3 of them... excellent mountain cars from my personal experiences.

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1985 500SL Euro w/ AMG bits 130k
1984 300SD Turbodiesel 192k
1980 240D Stick China 188k
2001 CLK55 AMG 101k
2007 S600 Biturbo 149k Overheated Project, IT'S ALIVE!!!