Gran Turismo HD
Gran Turismo HD was supposed to be a remastered, high-definition of GT4 for the PS3. Unfortunately it never came to be, except for a demo.
Most of it still uses GT4 formats.
GT HD E3 2006 Build (~May ??, 2006)¶
Dumped: 
No
Video
GT HD Tokyo Game Show 2006 Build (~Sep ??, 2006)¶
Dumped: No
Video
GT HD Premium Subaru Impreza Rally Car '99 Build (?? ??, 2006)¶
Dumped: No
Video
GT HD Le Mans 2007 (June ??, 2007)¶
Dumped: No
Video
GT HD Nissan Xanavi Nismo Z Build (?? ??, 200?)¶
Dumped: No
Video
GT HD "Wedding Version" (?? ??, 200?)¶
Dumped: No
Most likely never released to the public.
Tweet
思い出に残るであろう一昨日の誕生日に続き、本日は15年目の結婚記念日。
— Akira Saito (@a_saito) February 17, 2022
皆様のおかげで無事15年幸せに過ごしております。
披露宴パーティーはスイスのクライネシャイデックでした。(Granturismo Wedding Ver.を含め、会社の皆さんには色々と用意していただきました)懐かしい。 pic.twitter.com/vFe0oKIB6t
GT HD Concept (PSN)¶
Dumped: Yes
- JP Game Code:
NPJA-000102.0? - EU Game Code:
NPEA-900022.0? - ASIA Game Code:
NPHA-000011.0 - US Game Code:
NPUA-800191.1 - 1.2
Build Info
- Adhoc Version:
10 - Config:
trial - Supports up to instruction:
46 - CALL_OLD - BuildNumber:
22 - PDIVersion:
1.16 - Game Code:
SCUS-97384 - Compile Time:
Mar 22nd, 2007(US 1.2) - SpecDB Version:
GT5_TRIAL_(EU/US/..)2704 - Uses V3.1 Volume TOC (GT4-type volume)
- Unified executable
GT HD Concept (JP Disc)¶
Dumped: Yes - available on archive (redump collection) · Redump Info
This disc installs NPJA00010.