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| Venue | Sonoma Raceway |
|---|---|
| First race | 1976 |
| Last race | 2008 |
| Most wins (driver) | James Weaver (3) |
| Most wins (team) | Dyson Racing (4) |
| Most wins (manufacturer) | Porsche (7) |
The Grand Prix of Sonoma was a sports car race held at Sonoma Raceway (formerly Sears Point Raceway and Infineon Raceway) in Sonoma, California. It began in 1976 as an IMSA GT Championship race, before joining the American Le Mans Series from 1999 to 2005. It was a Grand-Am Rolex Sports Car Series race from 2006 to 2008.
| Date | Overall Winner(s) | Entrant | Car | Distance/Duration | Race Title | Report |
|---|---|---|---|---|---|---|
| IMSA GT Championship | ||||||
| 1976 |  Jim Busby |
Busby Racing |
Porsche Carrera | 100 miles (160 km) | Coca-Cola Bottler's Weekend | report |
| 1977 |  David Hobbs |
McLaren North America |
BMW 320i Turbo | 100 miles (160 km) | report | |
| 1978 | David Hobbs |
McLaren North America |
BMW 320i | 100 miles (160 km) | 3rd Annual Camel GT Challenge | report |
| 1979 | Peter Gregg |
Peter Gregg |
Porsche 935/78 | 100 miles (160 km) | Sprite Grand Prix | report |
| 1980 | John Fitzpatrick |
Dick Barbour Racing |
Porsche 935 K3/80 | 100 miles (160 km) | Datsun's Golden State Challenge Grand Prix | report |
| 1981 |  Klaus Ludwig |
Team Zakspeed-Roush |
Ford Mustang Turbo | 100 miles (160 km) | Datsun Camel GT | report |
| 1982 | Klaus Ludwig |
Team Zakspeed-Roush |
Ford Mustang Turbo | 100 miles (160 km) | Sears Point Camel GT | report |
| 1983 | Al Holbert Jim Trueman |
Holbert Racing |
March 83G-Porsche | 3 hours | Ford California Camel GT | report |
| 1984 | Bill Whittington |
Blue Thunder Racing Team |
March 83G-Chevrolet | 100 miles (160 km) | Ford California Camel GT | report |
| 1985 |  Bob Wollek |
Bayside Disposal Racing |
Porsche 962 | 300 km (190 mi) | Ford California Grand Prix | report |
| 1986 | Rob Dyson Price Cobb |
Dyson Racing |
Porsche 962 | 300 km (190 mi) | Ford California Grand Prix | report |
| 1987 | Jochen Mass |
Bayside Motorsports |
Porsche 962 | 300 km (190 mi) | Ford California Grand Prix | report |
| 1988 |  Geoff Brabham |
Electramotive Engineering |
Nissan GTP ZX-T | 300 km (190 mi) | Lincoln-Mercury California Grand Prix | report |
| 1989 | Geoff Brabham |
Electramotive Engineering |
Nissan GTP ZX-T | 300 km (190 mi) | Lincoln-Mercury California Grand Prix | report |
| 1990 |  Juan Manuel Fangio II |
All American Racers |
Eagle HF89-Toyota | 300 km (190 mi) | California Camel Grand Prix | report |
| 1991-1994: Not held | ||||||
| 1995 | James Weaver |
Dyson Racing |
Riley & Scott Mk III-Ford | 1 hour, 45 minutes | Apple Computer, Inc. presents the California Grand Prix | report |
| 1996 |  Wayne Taylor Scott Sharp |
Doyle Racing |
Riley & Scott Mk III-Oldsmobile | 3 hours | Toshiba California Grand Prix | report |
| 1997 | Andy Wallace James Weaver |
Dyson Racing |
Riley & Scott Mk III-Ford | 2 hours | California Grand Prix | report |
| 1998: Not held | ||||||
| American Le Mans Series | ||||||
| 1999 |  JJ Lehto Steve Soper |
BMW Motorsport |
BMW V12 LMR | 2 hours, 45 minutes | Grand Prix of Sonoma presented by Toshiba | report |
| 2000 | Allan McNish Rinaldo Capello |
Audi Sport North America |
Audi R8 | 2 hours, 45 minutes | Grand Prix of Sonoma | report |
| 2001 | Rinaldo Capello Tom Kristensen |
Audi Sport North America |
Audi R8 | 2 hours, 45 minutes | X-Factor Grand Prix of Sonoma | report |
| 2002 | David Brabham Jan Magnussen |
Panoz Motor Sports |
Panoz LMP 01 | 2 hours, 45 minutes | Grand Prix of Sonoma presented by Foster's Lager | report |
| 2003 | Butch Leitzinger James Weaver |
Dyson Racing |
Lola EX257-AER | 2 hours, 45 minutes | Infineon Grand Prix of Sonoma | report |
| 2004 | JJ Lehto Marco Werner |
ADT Champion Racing |
Audi R8 | 2 hours, 45 minutes | Infineon Grand Prix of Sonoma | report |
| 2005 | Frank Biela Emanuele Pirro |
ADT Champion Racing |
Audi R8 | 2 hours, 45 minutes | Infineon Grand Prix of Sonoma | report |
| Rolex Sports Car Series | ||||||
| 2006 | Scott Pruett Luis Díaz |
Chip Ganassi Racing with Felix Sabates |
Riley Mk XI-Lexus | 400 km (250 mi) | report | |
| 2007* | Jon Fogarty Alex Gurney |
GAINSCO/Bob Stallings Racing |
Riley Mk XI-Pontiac | 400 km (250 mi) | Armed Forces Grand-Am 250 | report |
| 2008* | Max Angelelli Michael Valiante |
SunTrust Racing |
Dallara DP01-Pontiac | 250 miles (400 km) | Armed Forces 250 | report |
*Daytona Prototypes only.