We’ve seen spy shots of almost all members of the facelifted Audi A4 model family but one has eluded our photographers so far.

Not anymore, however, as the top-dog Audi RS4 Avant has made its first appearance as a camouflaged test prototype. As with the rest of the A4 family, the RS4 will get an exterior makeover and that’s easy to see in the photos.

The most visible change is at the rear, where the RS4 gains a new pair of LED taillights with a similar signature to the latest Audi A6. At the front, the high-performance wagon adopts the new three-dimensional grille as found the Q8, as well as new LED headlights. The front bumper appears to have a new design too.

Elsewhere on the outside, the RS4 appears to look identical with the current model, despite the camouflage tape that covers the fenders, sills, and lower part of the doors. Typical RS4 design cues such as the flared haunches and front fenders, massive oval exhausts, and exclusive Audi Sport wheels will carry on.

Inside, the facelifted Audi RS4 Avant will offer the same upgrades as the rest of the updated A4 family, including the latest-generation infotainment system with a bigger touchscreen. Expect an A6-inspired layout inside with three digital screens including a digital cockpit. Obviously, the RS4 will also feature whatever tech upgrades the regular A4 will get.

As for the powertrain, the facelifted RS4 Avant will most likely stick with the 2.9-liter twin-turbo V6 engine in the same specification. In the current model, the power plant makes 450 PS (444 hp) and 600 Nm (443 lb-ft) of torque.

Mated to a standard eight-speed automatic transmission and quattro all-wheel drive, the engine enables the wagon to shoot from 0 to 100 km/h in 4.1 seconds and reach a top speed of 280km/h (174mph) with the optional RS Dynamics Package. We’ll obviously learn if Audi Sport will indeed give the RS4 some powertrain updates sometime next year when the facelifted model is expected to launch.

Audi RS4 Avant facelift spy shots 28 Facelifted Audi RS4 Avant Training To Become A Successful Sequel To A Classic
Audi RS4 Avant facelift spy shots 27 Facelifted Audi RS4 Avant Training To Become A Successful Sequel To A Classic
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Audi RS4 Avant facelift spy shots 12 Facelifted Audi RS4 Avant Training To Become A Successful Sequel To A Classic
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Audi RS4 Avant facelift spy shots 1 Facelifted Audi RS4 Avant Training To Become A Successful Sequel To A Classic

Photo credits: CarPix | S. Baldauf/SB-Medien for Carscoops