Home Cars Video: Walter Rohl and Autobild take the new 911 Turbo out for a spin around the Estoril circuit in Portugal By Terence Published Oct 25, 2009 add iframe code inside nonscript tag for crwaler 911 Turbo model to Estoril circuit in Portugal for a little fun on the track. Although we didn't understand much of the German commentary, the new boosted 911 is synonymous with the words performance and beauty in any language. Besides, anytime you can get the legendary racing driver Walter Rohl behind the wheel good things are bound to happen, especially when you consider the 3.8 Liter flat six complete with a pair of Variable Turbine Geometry snails that is capable of producing a maximum output of 500 HP and a peak torque of 516 lb-ft that allows the rear engine super car to accelerate from 0 to 60 MPH in only 3.4 seconds and reach a top speed of 194 MPH. .