My Audi RS6 Avant Specs: Audi RS6 Avant uses the 309 kW (420 hp) version of the new 4.0 TFSI. The twin-turbo V8 provides a constant 550 Nm (405.66 lb-ft) of torque at 1400-5300 rpm. The new Audi RS6 Avant unites 412 kW (560 hp) of power and 700 Nm (516.29 lb-ft) of torque
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