A new RS model will crown Audi’s third-generation TT sports car series with the high-performance model speculated to be introduced as early as this fall at the Frankfurt Motor Show.

We captured Audi’s engineers in what is believed to be a test mule of the RS concealed under the body of the TTS and which was being evaluated alongside the previous generation TT RS that came with a 335hp (or 355hp  / 360PS in Plus guise) 2.5L turbocharged five-pot.

This mule was fitted with bigger brakes than what are offered on the regular TT and TTS models and featured drilled rotors. Our spies told us that, “when we looked closely to the calipers we noticed the fact that the RS logo was painted over. We could also see a sticker on one of the rear dampers saying RS”.

The production TT RS will get a different body kit and specific styling cues, very likely inspired by the 2014 TT Quattro Sport Concept that came with bloated wheel arches, larger air inlets on the bumpers, a prominent rear diffuser, a fixed rear wing, and the RS-specific twin oval pipes.

This brings us to another question; will the next TT RS continue with a 5-cylinder turbocharged mill borrowing the latest iteration featured in the RS3 in which it produces 367PS (362hp) and 465Nm (343 lb-ft) or will Audi adopt the high-performance EA888 2.0-liter turbocharged inline four previewed in the concept where it was rated at 414hp and (420PS) 450Nm (332 lb-ft), the answer to which we’ll have to wait a bit to find out.

Photo Credits: CarPix for CarScoops

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