Then you definitely don’t need 4wd. A front wheel drive performs perfectly well on snowy roads, awd if you’re in an area with particularly nasty winters. But anyone who says they need a 4wd suv/truck because of snowy roads is either a shit driver or just plain full of it.
Glmark2 is a pretty decent GPU tester for Linux, I used it just last night to diagnose memory issues on my new card. Be sure to use the -s command to set a higher resolution as the default is 800x600.