Caught high altitude testing at the Großglockner in the Austrian Alps, this test mule's unmistakable flared fenders, aggressive front fascia, big brakes and 20" wheels all give away its true RS4 identity.

This next generation RS4 will most likely debut next year, in-step with the A4/S4's mid-cycle face lift. And under the hood, it is expected the new RS4 to share the same high-revving, 4.2-liter V8 as the RS5.



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