This would be perfect for me.
Cars
Ariel Atom 300 and 500
KTM X-Bow
Lotus 2-11
Kawasaki ZX9R
Deronda G400
Bac Mono
Caparo T1
Porsche 911 several years and editions
Lotus Exige S
Lotus Evora S
Lotus Esprit 2012
Lotus Elite 2012
Lotus Elan 2012
Future Lotus Elise
New Honda NSX
Noble M600
Koenigsegg CCXR special
Koenigsegg Trevita
Koenigsegg CCX edition
Koenigsegg CCGT
Koenigsegg CC8S
Koenigsegg Agera
Koenigsegg Agera r
Hennessey Venom
Caterham Superlight R500
Caterham SP300.R
Aston martin 1-77
RUF RT12 R
RUF CTR3
RUF RGT-8
Pagani Huayra
Pagani Cinque
Pagani Tricolore
BMW i8 Concept
"Fake" Formula 1 car people can buy(shown on Top Gear)
Nike 2022 (Never had GT4, would like to try it)
Nissan Deltawing
2012-1960 Group C / LMP1/2 /Prototypes
2012-1960 Open-Wheel cars (including Formula 1, 2, 3 and banned like the 6 wheeled car)
2012- 1960 Rally (Open, WRC, Group A/B, Hillclimb, Dakar etc)
2012- earliest possible GT1/2/3 etc
Drag cars (not a big thing for me, but cars like what Hammond crashed in would interest me.)
Silly cars 
Carver 1 (with motion effects)
Reliant Robin (with rollover effects
Batmobile
i-robot audi lookalike car (with driving possibilities shown in the film lol)
Tracks
All tracks Formula 1 used from past to present including major variation changes
Dakar tracks
Rally point to points in dirt, snow and tarmac
Hillclimb tracks with pikes peak, paved and unpaved
Head to head track both dirt, tarmac and race of champions
Famous roads including ones featured on Top Gear.
Touge roads
A city or even a small country.
A dirt variation of Nurburgring.
Simple figure of 8 track ( driven to destruction style and gameplays)
Pretty much every major track used in motorsport and in testing of cars ( nardo ring etc)
Gameplay
Seasons for different regulations (Open-wheel(F1 etc), Rally(WRC etc))
Team racing (Like how constructors are done)
class racing (LMP1, LMP2, GT1 etc at the same time)
Race of Champions
Driven to destruction game styles (suicide race, figure 8, school bus, etc)
Free roam.
Infection (outbreak from dirt 3)
Tag (like elimination, set a time, if you are tag when timer ends, eliminated, or no elimination and done with points)
Cops and robbers
Soccer
All this would keep me entertained for years, but sadly it will never happen due to licensing and the fact its too much.
Also I have an inexplicable desire to drive the thing on snow for some reason I can't explain. 💡
