The 2013 Lexus GS will be unveiled tomorrow, but the first undisguised pictures have already hit the web.

The 2013 Lexus GS will be unveiled tomorrow, but the first undisguised pictures have already hit the web.

Looking like an enlarged IS with an hourglass grille, the production model has a sporty front fascia, LED-infused headlights and a dynamic rear end. Additionally, the cabin is slated to feature premium leather seats, a three-spoke steering wheel and a 12.3-inch infotainment system.

Under the hood, engine options will likely include a 3.5-liter V6, a hybridized 3.5-liter V6 and possibly a four-cylinder diesel for Europe.

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2013 Lexus GS caught undisguised