You'll find very little.
I had to oppose Boris's MOOFE suggestion, that one is take always from human perspective for matching cars so, and I browse it quite often :- ) It's not usable for archviz.
HDRLabs and and Openfootage have as well altogether maybe 4-5, but still not what you can probably use or are after.
Borrow 8mm lens for fullframe DSLR and take few yourself (hard if you're after specific look like NYC or Dubai :- ).. ) perhaps