The 1979 Porsche Tennis Grand Prix was a women's singles tennis tournament played on indoor carpet courts at the Tennis Sporthalle Filderstadt in Filderstadt in West Germany.

The event was part of the AAA[a] category of the 1979 Colgate Series.

[2] Third-seeded Tracy Austin won the singles event, successfully defending her 1978 title, after defeating world No.

Austin was entitled to $20,000 first-prize money but elected to receive a Porsche 924 instead.

[2][1] Tracy Austin defeated Martina Navratilova 6–2, 6–0 Billie Jean King / Martina Navratilova defeated Wendy Turnbull / Betty Stöve 6–3, 6–3