what's the closest the psx has to a gran turismo of motorcycles?

Nothing. Get Tourist Trophy for PS2

>>3265595
there were no real track day console sims until Tourist Trophy on PS2. Moto racer series is prob the best bike game on ps1. theres a few gp superbike games but I don't remember any so they must have been bad.

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296KB, 1409x1376px

It's not very good though, Moto Racer is a way better series on PS1. Listen to >>3265605, TT is bretty gud

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3MB, 320x240px

>>3266670
Moto Racer 1 has acceptable framerate on PS1. Moto Racer 2 however is fucking offensive on PS1, literally 15 fps and straight unplayable. I had to get it on PC and my god it is beautiful and extremely responsive at 60 fps. I feel like they cranked the graphical effects like chrome, rain, fog, and texture mapping way beyond what the PS1 could handle.