For all "Perodua Alza", Chassis Code is "M500".
https://www.imcdb.org/vehicles_make-Perodua_model-Alza.html
https://en.wikipedia.org/wiki/Perodua_Alza

For all "Perodua Axia", Chassis Code is "B200".
Origin: Malaysia
Class: Cars, Supermini
https://www.imcdb.org/vehicles_make-Perodua_model-Axia.html
https://en.wikipedia.org/wiki/Perodua_Axia

For all "Perodua Bezza", Chassis Code is "B300".
https://www.imcdb.org/vehicles_make-Perodua_model-Bezza.html
https://en.wikipedia.org/wiki/Perodua_Bezza

For all "Perodua Kancil" & "Perodua Nippa", Chassis Code is "L200".
Origin: Japan
Built in Malaysia.
Class: Cars, Supermini
https://www.imcdb.org/vehicles_make-Perodua_model-Kancil.html
https://www.imcdb.org/vehicles_make-Perodua_model-Nippa.html
https://en.wikipedia.org/wiki/Perodua_Kancil

For all "Perodua Kelisa", Chassis Code is "L700".
Origin: Malaysia
Class: Cars, Hatchback
https://www.imcdb.org/vehicles_make-Perodua_model-Kelisa.html
https://en.wikipedia.org/wiki/Perodua_Kelisa

For all "Perodua Viva" & "Perodua Viva Elite", Chassis Code is "L251".
Origin: Japan
Built in Malaysia.
Made for MAL
Class: Cars, Hatchback
https://www.imcdb.org/vehicles_make-Perodua_model-Viva.html
https://www.imcdb.org/vehicles_make-Perodua_model-Viva+Elite.html
https://www.imcdb.org/vehicle_2093284-Perodua.html
https://en.wikipedia.org/wiki/Perodua_Viva

For all "Perodua Kenari", Chassis Code is "L900".
Origin: Japan
Built in Malaysia.
Class: Cars, Van / MPV
https://www.imcdb.org/vehicles_make-Perodua_model-Kenari.html
https://en.wikipedia.org/wiki/Perodua_Kenari

For all "Perodua Myvi" (2005-2009), Chassis Code is "M300".
Origin: Japan
Built in Malaysia.
Made for MAL
Class: Cars, Hatchback
For all "Perodua Myvi" (2011-2017), Chassis Code is "M600".
Origin: Japan
Built in Malaysia.
Made for MAL
Class: Cars, Hatchback
For all "Perodua Myvi" (2018-2026), Chassis Code is "M800".
Origin: Malaysia.
Class: Cars, Hatchback
https://www.imcdb.org/vehicles_make-Perodua_model-Myvi.html
https://en.wikipedia.org/wiki/Perodua_Myvi

There were only a few, I did these manually

Delete Mk for all Peugeot 306.
https://www.imcdb.org/vehicles_make-Peugeot_model-306.html

Thanks

Updated (VW + Toyota)

Yes, the difference between the United Kingdom and the rest of Europe.

Mk1 for all "Volkswagen T-Roc".
https://www.imcdb.org/vehicles_make-Volkswagen_model-T-Roc.html
https://www.imcdb.org/vehicles_make-Volkswagen_model-T-Roc+R.html
https://www.imcdb.org/vehicles_make-Volkswagen_model-T-Roc+Cabriolet.html

Done

Antp can you please add built in belgium to all Sierra RS 500 Cosworth, Sierra RS Cosworth and Sierra Sapphire RS Coworth. None of the Cosworth were built in Cork or Dagenham.

https://imcdb.org/vehicles.php?make=Ford&model=Sierra+RS&page=2

I think that is all of them. Some I manually updated when pulling plate data.

Thanks, update done.

Yes. Terra wrongly told you to make all 1984-1990 [AS] back in the day. I never got around to fixing them.