The difference in Boot space (rear seats folded, bottom to roof) between first generation (T30) from 2001 and last generation (X-Trail T33) from 2022 is 417 l.
The boot space (rear seats folded, bottom to roof) of the current generation of X-Trail is 1424 l.
The boot space (rear seats folded, bottom to roof) compared to other Nissan models
Nissan X-Trail vs other current cars by Nissan
(Boot space (rear seats folded, bottom to roof))
Boot space (rear seats folded, bottom to roof): X-Trail vs. other models by Nissan