Porsche has announced a pair of new models that slot into the Panamera line and offer improved performance. The models are the Panamera GTS and the Panamera GTS Sport Turismo.

Both models share the same 4.0L V8 biturbo engine making 460hp and 620Nm of torque.

Porsche says that fuel economy ratings are 10.3l/100km fuel consumption for the Panamera GTS and 10.6l/100km for the GTS Sport Turismo in Europe.

Emission output is rated at 242g/km. The twin-turbo V8 engines have 20hp more than their predecessors and an extra 100Nm of torque. Porsche says that both models can hit 100km/h in 4.1 seconds with the standard Sport Chrono package.
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