According to a recent report, the 2013 Audi RS6 Avant will feature a twin-turbo 4.0-liter V8 engine with more power than the BMW M5 and Mercedes E63 AMG.

New details are starting to emerge about the 2013 Audi RS6 Avant.

According to Autocar, the estate will feature the company's new twin-turbo 4.0-liter V8 engine. It develops 520 PS (382 kW / 513 hp) and 650 Nm (479 lb-ft) of torque in the S8, but sources are indicating it will produce 580 PS (427 kW / 572 hp) and 699 Nm (516 lb-ft) of torque in the RS6.

The engine will reportedly be connected to eight-speed automatic transmission or new seven-speed dual-clutch gearbox. We can also expect an all-wheel drive system and an active rear differential with torque vectoring technology.

If everything pans out, the RS6 should be able to accelerate from 0-100 km/h in less than 4.5 seconds.

2013 Audi RS6 Avant to feature 580 PS - report