UPDATE: Lexus has now added a short audio clip to its teaser package, embedded below. If there was any doubt before that this will be a new sports car... 

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Lexus has handed down a mysterious teaser for a new vehicle it will unveil at next week’s Detroit auto show, promising an “unprecedented Lexus world premiere”.

The Japanese luxury marque has revealed little else, leaving only a trail of LSD-aided burnt rubber after dropping its stealth teaser - a hint in itself, of course.

Failing the sudden appearance of a complete mystery, it’s likely that Lexus will use the Detroit show to unveil the big new flagship coupe spied testing frequently over the past year.

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That new model is expected to enter as a rival to the likes of BMW’s 6 Series, and spy photos suggest its styling - if not its intent - may be informed by the popular LF-LC coupe revealed way back in 2011.

Such a model would debut as something of a spiritual successor to the Lexus SC, which was last offered as a convertible that left production in 2010.

Lexus has yet to offer any details on the spied coupe, although reports overseas have suggested that powertrains will range from a 351kW 5.0-litre naturally-aspirated V8 - as seen in the RC coupe - through to a 373kW hybrid and a turbocharged V8 LC F model.

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For more images and reports on the so-called LC, see our links below.