They are not new but actually rather 40 years old spy photos of the Skyline KPGC10 coupe:
Back in the late 1969 and early 1970 Nissan was already developing the coupe version of the Nissan Skyline. Presumably these pictures were taken at the Nissan Granddrive test circuit.
You can clearly see it is a KPGC10-version from its rear arches:
Nice to see automotive manufacturers were just as paranoid back then about a new car leaking to the public as nowadays.
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