Another Mopar Off My Bucket List - Barracuda Fastback
All of the first & second generation Barracudas were 'Barracudas'.
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As I understand it, a lot of people had been shortening the name to 'Cuda' as a form of slang. Apparently the shortened version caught on with some of the folks at Plymouth and they decided to use it on their sportier versions of the car beginning in 1970. Although Plymouth still produced cars after 1970 that still had the full Barracuda nameplate on them, there have been variations to the 'Cuda emblems used on the third generation Barracudas.
So it actually is a distinction. Only some Barracudas are 'cudas.