- Source: 1989 12 Hours of Sebring
- Hiro Matsushita
- Bob Akin
- Tom Kristensen
- James Weaver
- Michele Alboreto
- Audi
- Grand Prix Amerika Serikat
- A.J. Foyt
- Bencana Le Mans 1955
- Justin Wilson (pembalap)
- 1989 12 Hours of Sebring
- 12 Hours of Sebring
- Mauro Baldi
- Maserati Sebring
- Steve Millen
- Hurley Haywood
- Marco Werner
- Chip Robinson
- Phil Hill
- John Paul Sr. (racing driver)
The 12 Hours of Sebring Grand Prix of Endurance, was the third round of the 1989 IMSA GT Championship and was held at the Sebring International Raceway, on March 18, 1989. Victory overall went to the No. 83 Electramotive Engineering Nissan GTP ZX-Turbo driven by Chip Robinson, Geoff Brabham, and Arie Luyendyk.
Race results
Class winners in bold.