Yesteryear's vehicle could be creaking car, yeah? (7,8)

I believe the answer is:

hackney-carriage

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'yesteryear's vehicle' is the definition.
The definition suggests a singular noun which matches the answer.

'could be creaking car yeah?' is the wordplay.
'could be' indicates an anagram.
'creaking'+'car'+'yeah'='creakingcaryeah'
'creakingcaryeah' anagrammed gives 'HACKNEY-CARRIAGE'.

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I've seen this clue in The Telegraph.

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