The 1990 Trans-Am Series was the 25th running of the Sports Car Club of America's Trans-Am Series. Tommy Kendall won his first of four driver's championships, driving a Spice Engineering-run Chevrolet Beretta.
Results
| Rnd | Date | Circuit | Location | Winning driver | Winning vehicle | 
| 1 | March 10 | Streets of Phoenix | Phoenix, Arizona |  Robert Lappalainen | Ford Mustang | 
| 2 | May 6 | Sears Point International Raceway | Sonoma, California |  Darin Brassfield | Oldsmobile Cutlass | 
| 3 | June 3 | Addison Airport | Addison, Texas |  Irv Hoerr | Oldsmobile Cutlass | 
| 4 | June 16 | Streets of Detroit | Detroit, Michigan |  Scott Sharp | Oldsmobile Cutlass | 
| 5 | June 23 | Portland International Raceway | Portland, Oregon |  Darin Brassfield | Oldsmobile Cutlass | 
| 6 | July 7 | Burke Lakefront Airport | Cleveland, Ohio |  Tommy Kendall | Chevrolet Beretta | 
| 7 | July 15 | Streets of Des Moines | Des Moines, Iowa |  Tommy Kendall | Chevrolet Beretta | 
| 8 | July 29 | Road Atlanta | Braselton, Georgia |  Tommy Kendall | Chevrolet Beretta | 
| 9 | August 11 | Watkins Glen International | Watkins Glen, New York |  Chris Kneifel | Chevrolet Beretta | 
| 10 | August 19 | Circuit Trois-Rivières | Trois-Rivières, Quebec |  Tommy Kendall | Chevrolet Beretta | 
| 11 | August 25 | Streets of Denver | Denver, Colorado |  Tommy Kendall | Chevrolet Beretta | 
| 12 | September 9 | Mosport Park | Bowmanville, Ontario |  Dorsey Schroeder | Ford Mustang | 
| 13 | September 15 | Mid-Ohio Sports Car Course | Lexington, Ohio |  Darin Brassfield | Oldsmobile Cutlass | 
| 14 | September 22 | Road America | Elkhart Lake, Wisconsin |  Tommy Kendall | Chevrolet Beretta | 
| 15 | November 4 | Streets of St. Petersburg | St. Petersburg, Florida |  Chris Kneifel | Chevrolet Beretta | 
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Championship standings (Top 10)
References