The experience varies drastically depending on which console's ISO you use:
When looking for the best experience via original hardware or emulation (ISO), the differences between regions and formats are significant: Test Drive Unlimited [NTSC][PAL][ISO]
: The European/Australian standard. Historically, PAL versions ran slower but often featured better language support (Multi-language ISOs). In the PS2 version of TDU, the PAL release (SLES-54466) is common for multi-language "RePacks". Test Drive Unlimited [NTSC][PAL][ISO]
: The North American and Japanese standard. It runs at a higher frame frequency (60Hz), offering smoother gameplay and a 20% faster refresh rate than PAL. For NTSC-U (USA), some soundtracks or licensed content may vary slightly from other regions. Test Drive Unlimited [NTSC][PAL][ISO]