For what its worth, the SVX was rated at a top end of 135 (if I remember correctly). However, of the 4 I owned, I brought two of them above 150, with my first one topping out at 156!!!
95 S, near South of the Border...about a 10 mile stretch with swamp on both sides so all guardrailes and no chance for sneaky traps. Had in tow a Ferrari v-8 convertible (the one with the front engine), a mustang 5.0 and camaro z-28. I believe it was around 1995. Left the ford and chevy waaaay behind, and the two guys in the ferrari were getting beat up by the wind (had the top down...ha!!), so I even left him. Next exit, they all pulled off behind me to figure out what that odd looking car was that just smoked 'em!
oh...I love my subarus!!
Cheers,
Scott