The McLaren 12C '10, Peugeot Vision GT (original), Volkswagen GTI Roadster Vision GT (original) and Volkswagen GTI Supersport Vision GT (original) are missing in the list, so that's 132 cars. (131 actually, since I don't think the Nissan GT-R R35 Black Edition '12 will come to the game at all.)
Count all Vision cars on the official website (the entire Tomahawk series, S, GTS-R and X and the original Toyota FT-1 Vision car, since it even mentions they're also coming to the game) and that's 135 cars revealed so far, and 15-24 cars left to reach the region of 150-159 cars.
Let's hope that the last remaining cars are good ones, especially hoping that'll fit the missing gap of Gr. 1 which isn't that diverse, and let's also hope that there will be more than one Porsche for this game at launch, not just the 911 GT3 RS.
Haven't seen the Mazda Roadster S (ND) N200 (it's not a Gr. 4 car) in a long while, not in any new game footage or screenshots lately, maybe PD scrapped the car or something?
And here is the updated track list with all the tracks revealed so far (Le Mans will not be included yet since it's still of debate whether or not that is just a scape or perhaps, probably a playable track.)
Confirmed tracks so far:
Autodromo Jose Carlos Pace (Interlagos):
Blue Moon Bay:
Brands Hatch:
Colorado Springs:
- Full Circuit (Dirt track)
Dragon Trail International Raceway:
Fisherman's Ranch:
- Full Circuit (Dirt track)
Lake Maggiore:
Mount Panorama:
Northern Isle Speedway:
- Oval Circuit
- Autocross Circuit
Nurburgring Nordschleife:
Sardegna Windmills:
- Full Circuit (Dirt track)
Suzuka Circuit:
Tokyo:
- Tokyo Expressway
- Tokyo Expressway- Extended
Willow Springs:
- Big Willow
- Horse Thief Mile
Total: 14/17 environments revealed, 19/28 layouts revealed
Evidence:
Autodromo Jose Carlos Pace (Interlagos):
Same green and yellow markers, so this is really confirmed.
Colorado Springs:
From the release trailer, track banner says otherwise.
Suzuka Circuit:
Judging by the track scenery, since there's a ferris wheel (synonymous with Suzuka Circuit), it may very well be that track. It is unknown whether the East or West layouts will come, so I'm assuming it's only the full layout.
Northern Isle Speedway- Autocross circuit:
Unknown as of now whether or not it will contain off-road surfaces.
Volkswagen GTI Roadster and Supersport (original versions):
Modeled with GT Sport's game engine, as seen on a scape on the closed beta.
McLaren 12C '10:
Even though the photo is that small, it shows a silver McLaren 12C racing in the Tokyo Expressway.
Vision cars that are claimed to be in the game from the official website (Tomahawk S, Original GTS-R, X, Original Toyota FT-1 Vision GT and original Peugeot Vision GT):
In the official website, they even say that the original versions of these Vision cars will come to the game, despite them having custom homologated versions for Gr. 1 (Tomahawk GTS-R only) and Gr. 3 (Toyota FT-1 and Peugeot Vision cars), respectively, presumably to fill the Gr. X gap. This would mean that not all the other remaining Vision cars wouldn't have a custom homolgated version for either one of the four racing classes (1, 3, 4 or B) unless otherwise.
*NOTE: The word "vision" in the Toyota FT-1 Vision GT is obviously spelled wrong, but who cares, right?
Sources:
http://www.igcd.net/game.php?id=1000011667 (NOTE: The website falsely claims that there is a Ferrari 488 GT3, but do not believe it unless it is unveiled otherwise. It is rather a close-up shot of the 458 Italia GT3.)
http://www.gran-turismo.com/us/vgt/ (NOTE: The official website states that
every original version of all Vision cars are coming to GT Sport.)