The 2006 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor hard courts that was part of the Tier II category of the 2006 WTA Tour. The event was relocated to the Porsche-Arena in Stuttgart, Germany after having held all previous editions in Filderstadt. It was the 29th edition of the tournament and was played from 2 October until 8 October 2006. Fourth-seeded Nadia Petrova won the singles title and earned $100,000 first-prize money.[1]
Nadia Petrova defeated 
Tatiana Golovin 6–3, 7–6(7–4)
Lisa Raymond / 
Samantha Stosur defeated Cara Black / Rennae Stubbs 6–3, 6–4
| Event | W | F | SF | QF | Round of 16 | Round of 32 | ||
| style=background:#efefef | Singles | $100,000 | $53,560 | $28,750 | $15,400 | $8,230 | $4,400 |
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