Problem with vehicle addons

I downloaded the addons GMOW-v3 Cars Part1 GMOW-v3 Cars Part2 and put them into my addon folder but when I run Gmod and goto the Q menu there arnt any vehicles in the vehicle tab. I went to the Browse tab and saw the vehicles but when i spawned them i could not drive them, any solutions?

http://garrysmod.org/downloads/?a=view&id=7186 - these ones?

Well, browsing this site long enough, I think those won’t work due to the Orange Box engine update. Notice in the picture that its the old Gmod 10 vehicles menu.

Better off using this http://garrysmod.org/downloads/?a=view&id=46669

dood it says not file not found