1971 USAC Championship Car season
| 1971 USAC Championship Car season | |
|---|---|
| USAC Marlboro Championship Trail | |
| Season | |
| Races | 12 |
| Start date | February 28 |
| End date | October 23 |
| Awards | |
| National champion |
 Joe Leonard
|
| Indianapolis 500 winner |
Al Unser
|
The 1971 USAC Championship Car season consisted of 12 races, beginning in Rafaela, Argentina on February 28 and concluding in Avondale, Arizona on October 23. The USAC National Champion was Joe Leonard and the Indianapolis 500 winner was Al Unser. This was the first year that road courses and ovals were separated from dirt courses in the Championship.
All races running on Oval/Speedway.
Note1: Donnie Allison, Carlos Parietti, Denny Hulme, David Hobbs and Jim Hurtubise not eligible for points.
Note2: John Mahler qualified 21st at Indianapolis. His car was driven in the race by Dick Simon who started 33rd as a result of the driver change.
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