New Audi RS4 Avant Photos Leaked, gets 4.2-liter V8 Delivering 450-Horses

The all-new Audi RS4 Avant is not much of a secret anymore as the first official pictures along with some initial details leaked onto the web today.

As we reported in our scoop story on Monday, the 2013 Audi RS4 adopts the RS5's improved 4.2-liter V8 engine rated at 450PS (444bhp) and 430Nm (317.15 lb-ft), channeled to the road through a seven-speed S-tronic dual-clutch transmission and Audi's quattro all-wheel drive system.

We also learn today that the new RS4 Avant allegedly completes the 0-100km/h (62mph) sprint in 4.7 seconds, a tenth of a second slower than the lighter but also far less practical and roomy RS5 Coupe.

Audi's engineers also made changes to the suspension setup and fitted the RS4 with a more potent braking system and 19-inch wheels shod in low profile, high-performance tires.

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