2015 Ford Mustang countdown evolution | video

We're counting down to the unveiling of the Ford Mustang in Sydney late on the night of December 5 -- to coincide with simultaneous reveals in five other markets where it will be sold.

Until then, we've got an animated overview showing the "Evolution of an Icon," and tracking the shape, styling engine, transmission and steering wheel through 50 years of the pony car. It doesn't show the 2015 one, of course, but we'll bring you all the information about that straight after the Australian unveiling.

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The engine line-up hasn't yet been confirmed but is expected to include a choice of V8, V6 and turbo four-cylinder units -- a four returning to the Mustang for the first time since its 1978-1993 run, which admittedly failed to find buyer favour in those years.

The new car has been dieting, and is reported to tip the scales about 180kg lower than the current model, saving fuel and improving dynamics. It's also slightly smaller -- about 38cm shorter and 15cm narrower -- riding on a new platform that includes its first independent rear suspension.

Ford is tipped to be aiming for an entry price to slip under the $50,000 mark when the Mustang arrives on sale before the end of 2015.

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This reporter is on Twitter: @KarlaPincott