Finnish uprising in line for a long car (9)

I believe the answer is:

limousine

I'm a little stuck... Click here to teach me more about this clue!

'long car' is the definition.
'limousine' can be an answer for 'car' (limousine is a kind of car). I am not sure about the 'long' bit.

'finnish uprising in line' is the wordplay.
'finnish' becomes 'Suomi' (synonyms).
'uprising' shows that the letters should be reversed in order.
'in' is an insertion indicator.
'suomi' backwards is 'imous'.
'imous' placed within 'line' is 'LIMOUSINE'.

'for a' acts as a link.

Can you help me to learn more?

(Other definitions for limousine that I've seen before include "Luxurious car (with a chauffeur?)" , "big car" , "Form of transport" , "vehicle" , "Large luxurious car" .)

I've seen this clue in the Sydney Morning Herald.

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