3D comic like this are rarely made from scratch, most are made from pre existing models distrubuted freely or for purchase.
Here are some of what i use in BASO and where I got them from.
Daz 3D
Genesis figure,
Victoria 5,
Michael 5,
GIS skyway, link, oroin and expansion.
Adam Thwaites
Numerous small props and morphs
Joe quick
Cyber arms and sci fi armour for M4

Razor rider diner
Techno town
cyberpunk streets
Uzilite
Beowulf, Hardcore
Adzan
MalikV Outfit
Etienne Outfit
Ode outfit
Solar Solace Outfit
Small Sins Outfit
Monoculture Outfit
Steel Abberant Outfit
Painted Osculus Outfit
Concrete Extant Outfit
Chohole
textures for Daydreamer outfit.
Mapps
Mylochka: Various hair props
NeftisVarious hair props
Richard Taylor
Water Filter,
AirRaft
Stonemason
Skycar
SF Cargo Props
Skytraffic
Level 19
Generic sci fi corridor
Urban sprawl
Poser direct/Mr sparky
Various vehicles and oddities.
Placebo
Cybertech props
Porsimo
Various ships and sci fi props.

Some of the vehicles you may see can be found through the following links
http://www.daz3d.com/i/shop/itemdetails/?item=12342
http://www.daz3d.com/i/shop/itemdetails/?item=11601
http://www.daz3d.com/i/shop/itemdetails/?item=3564
This is my own model that you can download, should you feel the need.
http://www.sharecg.com/v/56536/view/5/3D-Model/Dinkywhale

The Kimberly Davies is a model from Porsimo

And, if I'm not mistaken, you went shopping at the Xurge3D half-price sale… as did I. Spent way too much!!

Yup, Xurge has some great stuff, I don't have a lot of it yet but I will in time.