A concept car was made, but i don't think it ever went into
production. there is a picture of it in Wikipedia's Holden
Kingswood article.
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Holden HG was a General Motors automobile in the country of
Australia. It was in production between the years 1970 and 1971.
Other names for the vehicle include Holden Belmont, Holden
Kingswood, and Holden Monaro.