In my neighborhood
X2 458s
R8
Teslas
Several AMGs
BMW Ms
C7s
XKR

Seen
Red 458
Black 458
Grey r8
Blue Tesla
M6

Local to my Neighborhood:
Bentley Continental x3
Porsche 911 Targa
Porsche 911 Turbo S Cabriolet 991

Seen in my Neighborhood:
Lamborghini Aventador
Lamborghini Gallardo LP570-4 Superleggera Super Trofeo
Ferrari California
Alfa Romeo Duetto
Mercedes SL63 AMG
Chevy Corvette StingRay C2
Nissan GT-R x2

Live near trailer park communities, apartments/condos, & single family homes so nothing really exciting drives by.

Living here (in my particular neighborhood):
-Corvette C4
-vintage Pontiac GTO with a blower engine
-1960s Chevy Impala X2 (same owner)
-late 1970s Pontiac Firebird
-1950s American classic car (I actually don't remember the make or model, owner keeps it garaged) Same owner of the Firebird
-Datsun 240ZX
-Another 1950s American classic car (Don't know the make or model)
-Another owner has a 2 1970s American classics (don't remember the make or model)

In the past:
-1960s Ford Mustang (owners moved)

Driving/Seen around the neighborhood:
-Tesla Model S
-Mercedes-Benz ML63 AMG (seen afew times at my friend's family daycare)
-Porsche 911 (seen afew times at my friend's family daycare)
-Bentley Continental GT (I do not know why this car was sitting in my neighborhood, other than the fact that my brother told me the driver was wearing a black suit & sunglasses)
-Chevy Corvette C5 ZO6 (seen afew times at a particular house that seems to act more like a repo lot)
-Lotus Elise (never actually saw it in my neighborhood, but it apparently brokedown)
-Nissan GTR (on test drive cause AutoNation Nissan is just down the street from me)
-Porsche 911, BMW M5, Corvette C5/C6, Peugeot 505 Wagon, Ford Fairlane(I think) all at Safeway at one point down the street from me.
Dodge Viper R/T, M6, M3s, Corvettes, 911 (Carerra, Turbo, Boxster), Ferrari 360 Modena (on Federal Blvd, major street my neighborhoods borders)

R8 Spyder
C6 ZR1
Model S
Panamera Turbo
Ferrari 599
911 Turbo x2
991 Carrera 4S Carbriolet
M5

Live in my neighborhood:
C3 Corvette convertible. I got to ride in it when I was like 11.

Driving through my neighborhood:
XJ210- red
Z8- silver
DB5- silver
1st gen Gallardo- silver
DB9- black, x2
2nd gen Gallardo- maroon
C6 ZR1- red
Model Sssss
Many classics

Few things I forgot to mention
Bentley GTC
Bentley continental coupe. (Both were blacked out)
Nissan GTRs
Maserati granturismos
Maserati 4200 GTs
Lotus
Ferrari 360 (don't know how I forgot that)
One of my classmates has a VERY tuned up 911


Have seen all these

hmmm... only two 911s and a guy who owns a car modifying business out of his garage. He has like 10 cars out front.

The best car in my neighbourhood is my dads alfa 147 it's not even the GTA

Ferrari California T
Mercedes S63
BMW M5 F10

Visits:

Maserati GranTurismo
Aston Martin Rapide S
Ferrari 458
RR Ghost

In my neighborhood:
Just brand new Mercedes, Audi, BMW, Escalade, Jaguar, etc

Passed by my neighborhood:
Black Viper
Mercedes S65 //AMG
Nissan GT-R
BMW M3 GTR (used to live here but owner got a RX-8 :/ )
Porsche Boxster (used to live here but owner got a BMW M3 GTR then the Mazda)
Bentley Continental
Ferrari California

Cars that people own in my development:

4 Aventadors
5-7 458's
4 599GTB
2 Ford GT's
Phantom Coupe
Bentley Brooklands
2014 Vanquish
3 2015 M6
Ghost Black Bison
Ghost EWB
3 991 Turbo S
2 760Li
2-3 MP4's
2 F430 Spiders
A few SLS's
Too many Tesla Model S, BMW M's, AMG's, Porsches, Bentleys.

I know this thread is old, but currently in my neighborhood:

Older Saleen S281
BMW M4
Tesla Model S P85D
Newer Saleen S281
Bentley Continental
BMW M3
Possible Ferrari 458 Spider

Seen in a parking lot at the entrance:

Lamborghini Aventador
Audi R8
Nissan GT-R
Porsche 911 GT3 (all 4 same guy)
Maserati Quattroporte
BMW M5
Possible Ferrari 599 (also same guy)

Exotics in my neighborhood:
BMW i8
Lamborghini Gallardo LP560-4
Ferrari 458
Ferrari F355 Spider
Multiple:
Maseratis
GTRs
Bentleys
Teslas
Lotus´
Passed by in my Neighborhood:
Ferrari 458
Audi R8 V10
Mercedes AMG GTS (All owned by the same guy)

Ferrari 275 GTB!!!!
Lamborghini Gallardo Superleggera
Audi R8 V10 spyder
Corvette C7 stingray
two 60's stingrays
Citroen of some sort
Plymouth Hemi Cuda
Lamborghini Gallardo
Saleen
1953 Buick Skylark
Ferrari 360 Modena
Aston Martin Vantage
Aston Martin DBS!

In my neighborhood:

Maserati Ghibli
911 Turbo
A handful of Model S's
A guy who works for GM that takes home preproduction cars, like CTS-V and Corvette's
The dealer of an Audi dealership so he brings home R8's, RS7's and a bunch of other stuff
E63 AMG
Also several classics

Best seen in my neighborhood:

Bentley Continental
There's also a guy who has a 928/GT3 close by as well as a guy who owns an i8 and new 911 Turbo