2011 AAA 400

{{Use mdy dates|date=February 2025}}

{{NASCAR race season infobox

| Type = NAS

| Race Name = AAA 400

| Details ref ={{Cite web|url=https://www.espn.com/racing/schedule/_/year/2011 |title=Sprint Cup Series Schedule |location=ESPN |access-date=October 27, 2011 |url-status=live |archive-url=https://web.archive.org/web/20120120034554/http://espn.go.com/racing/schedule/_/year/2011 |archive-date=January 20, 2012 }}

| Fulldate = {{Start date|2011|10|2}}

| Year = 2011

| Race_No = 29

| Season_No = 36

| Image = Dover International Speedway.PNG

| Caption = Layout of Dover International Speedway

| Location = Dover International Speedway, Dover, Delaware

| Course_mi = 1.0

| Course_km = 1.6

| Distance_laps = 400

| Distance_mi = 400

| Distance_km = 643.7

| Weather = Temperatures up to {{convert|55|F|C}}; wind speeds reaching up to {{convert|13|mph|km/h}}{{Cite web|url=http://www.almanac.com/weather/history/DE/Dover/2011-10-02|title=Weather information for the 2011 AAA 400|location=The Old Farmers' Almanac|access-date=June 11, 2013}}

| Avg = {{convert|119.413|mi/h}}

| Pole_Driver = Martin Truex Jr.

| Pole_Team = Michael Waltrip Racing

| Pole_Time = 22.641

| Most_Driver = Jimmie Johnson

| Most_Team = Hendrick Motorsports

| Most_laps = 158

| Car = 22

| First_Driver = Kurt Busch

| First_Team = Penske Racing

| Network = ESPN

| Announcers = Allen Bestwick, Dale Jarrett and Andy Petree

}}

The 2011 AAA 400 was a NASCAR Cup Series stock car race that was held on October 2, 2011, at Dover International Speedway in Dover, Delaware.

Contested 400 laps on the 1.000-mile (1.609 km) concrete oval, it was the 29th race of the 2011 Sprint Cup Series season, as well as the third race in the ten-race Chase for the Sprint Cup, which ends the season. The race was won by Kurt Busch for the Penske Racing team. Jimmie Johnson finished second, and Carl Edwards clinched third.{{Cite web|url=http://racing-reference.info/race/2011_AAA_400/W|title=General race information for the 2011 AAA 400|location=Racing Reference|access-date=June 11, 2013}}

A series of racing accidents in addition to a brief bout of rain contributed to the vast amount of cautions that this race endured. While the average green flag run was approximately 32 laps, 11% of the race was run under a caution flag.