The new 991 series of Porsche 911 has introduced the new generation of the 911 Carrera 4 and 4S. The 911 Carrera 4 comes with the latest version of the active all-wheel drive system PTM (Porsche Traction Management). The typical Porsche all-wheel drive with rear-focused layout in this latest 911 version guarantees maximum vehicle dynamics in wider road and climate ...
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