Le Championnat de NASCAR Cup Series 2011 est la du championnat organisé par la NASCAR et la de l'ère moderne de la NASCAR.
La saison compte 2 courses d'exhibition et 36 courses de championnat, débutant pas le Daytona 500 sur le Daytona International Speedwayet se terminant par le Ford 400 sur l'Homestead-Miami Speedway.
Les dix dernières courses sont celles du Chase, courses qui déterminent le champion de la saison.
Pendant la saison 2010, la NASCAR a annoncé plusieurs changements de calendrier : 1 course supplémentaire sur les circuits Kansas Speedway et Kentucky Speedway ; 1 course supprimée sur les circuits Atlanta Motor Speedway et Auto Club Speedway.
Pendant l'inter-saison, la NASCAR a annoncé une modification dans l'attribution des points. De plus, le carburant sera dorénavant un mélange d'éthanol (le Sunoco Green E15) en remplacement du sans plomb Sunoco.
La Cup Series étant sponsorisé par la société Sprint Corporation, le nom officiel du championnat est la NASCAR Sprint Cup Series 2011.
L'écurie Stewart-Haas Racing est la tenante du titre 2011 des propriétaires tandis que Tony Stewart, copropriétaire de la Stewart-Haas Racing avec Gene et Margaret, est le tenant du titre de champion 2010 des pilotes grâce à sa victoire lors de la dernière course de la saison, le Ford 400 de 2010 en devançant au tie-break Carl Edwards. Chevrolet est le tenant du titre de champion des manufacturiers 2010 avec .
Pilotes et écuries Écurie Manufacturier N° Sponsor principal Pilotes Chef d'équipe Course(s) disputée(s)Curb-Agajanian Performance GroupChevrolet 98Ronald Reagan Presidential FoundationAustin DillonDanny Stockman30 Earnhardt Ganassi Racing Chevrolet 1Bass Pro Shops/McDonald'sJamie McMurrayKevin ManionToutes 42TargetJuan Pablo MontoyaJim PohlmanToutesFAS Lane RacingFord 23Terry LabonteFrank Stoddard20 32U.S. ChromeC&J EnergyTerry LabonteFrank Stoddard1, 8, 16-17, 24, 32 32Gainey Suites HotelMike Skinner2-3 32VA Mortgage Center.com Ken Schrader5-7, 9-10 32Blu CigsMike Bliss11-12, 14-15, 18-20, 25-31, 34-35 32King StreetT.J. Bell36Bully Hill VineyardsAndrew Ranger22Red Rocks CafeBoris SaidBudweiser ShooutoutU.S. ChormePatrick Carpentier13 32GunBroker.comJason White21Front Row MotorsportsFord 34Taco BellDavid GillilandPeter SospenzoToutes 37North Texas PipeRobert Richardson Jr.Greg Conner1Tony Raines2-11, 13-15, 17-19, 23, 25 La Planète des singes : L'Affrontement Chris Cook16Bradley UniversityJosh Wise27-32 38Long John Silver'sTravis KvapilJay Guy1-13, 15, 17-18, 20-21, 23-24, 26, 30, 32-34, 36Sam Hornish Jr.14Tony Ave16J.J. Yeley19, 25, 27-29, 31, 35Terry Labonte22 55Jeff GreenDerrick Finley19J.J. Yeley20-24, 26, 30, 32-34, 36Travis Kvapil25, 27-29, 31, 35Furniture Row RacingChevrolet 78Furniture RowRegan SmithPete RondeauToutesGermain RacingToyota 13GeicoCasey MearsBootie BarkerToutesHP RacingToyota 66RaceHP.comMichael McDowellGene Nead1-20, 22, 24-33, 35-36Todd Bodine21, 23Josh Wise34 Hendrick Motorsports Chevrolet 5GoDaddy.comMark MartinLance McGrewToutes 24Drive to End HungerJeff GordonAlan GustafsonToutes 48Lowe's/Kobalt ToolsJimmie JohnsonChad KnausToutes 88National Guard / AMP EnergyDale Earnhardt Jr.Steve LetarteToutesInception MotorsportsChevrolet 30EchoStor TechnologiesFoxwoods Resort CasinoDavid StremmeSteve Lane9-13, 15, 18-21, 23-31, 33-36 Joe Gibbs Racing Toyota 11FedExDenny HamlinMike FordToutes 18Mars, Inc.Kyle BuschDave Rogers1-33, 35-36 18Michael McDowell34 20The Home DepotJoey LoganoGreg ZipadelliToutesJTG Daugherty RacingToyota 47Bush's Baked BeansBobby LabonteBrian BurnsToutesK-Automotive MotorsportsChevrolet 92Discount Tire CompanyMelling Engine PartsBrian KeselowskiDave Fuge1-3, 9-10, 15Dennis Setzer4, 6, 19, 33Scott RiggsBob Keselowski36Leavine Family RacingFord 95WRL General Contractors, Ltd.Jordan Truck SalesWally Rogers7, 12, 18, 24-25, 27, 30, 34LTD Powersports, LLCToyota 50Green Smoke Electronic CigaretteBandit ChippersT. J. BellJeff McClure10, 12-14, 18, 20-26, 28 Michael Waltrip Racing Toyota 00Aaron'sDavid ReutimannBobby KennedyToutes 15NAPADarrell Waltrip TributeMichael WaltripBobby Kennedy1, 8, 18, 32 56NAPAMartin Truex Jr.Scott MillerToutesNEMCO MotorsportsToyota 87AMFMEnergy.com/Pellet & Wood StovesJoe NemechekBill WillburnToutes 97ExtenZeKevin Conway1, 8, 17, 32Max Q MotorsportsFord 37Max Q MotorsportsScott SpeedGreg Conner20-22Mike SkinnerMike Abner33-36 64Morningstar MarinasDerrike CopeDave Fuge1 Penske Racing Dodge 2Miller LiteBrad KeselowskiPaul WolfeToutes 22Shell / PennzoilKurt BuschSteve AddingtonToutesPhoenix RacingChevrolet 51Thank A Teacher TodayLandon CassillNick Harris13-15, 17-21, 23, 25-36Boris Said16, 22Mike Bliss24 Red Bull Racing Toyota 4Red BullKasey KahneKenny FrancisToutes 83Brian VickersRyan PembertonToutes 84Kangaroo ExpressCole WhittRandy Cox35-36 Richard Childress Racing Chevrolet 27MenardsPaul MenardRichard LabbeToutes 29BudweiserKevin HarvickGil MartinToutes 31CaterpillarJeff BurtonLuke LambertToutes 33CheeriosClint BowyerShane WilsonToutes Richard Petty Motorsports Ford 9Stanley/DeWaltMarcos AmbroseTodd ParrottToutes 43Best BuyA. J. AllmendingerGreg ErwinToutes Robby Gordon Motorsports Dodge 7 Speed Energy Drink/Fast FiveRobby Gordon Samuel Stanley1-10, 12, 15-17, 20-22, 24-28, 31-32Scott Wimmer11, 14, 18-19Johnny Sauter13, 23Reed Sorenson29-30, 34, 36 77Scott Wimmer12, 20P.J. Jones16, 22Andy LallyTodd Anderson31 Roush Fenway Racing Ford 6UPSDavid RaganDrew BlickensderferToutes 163MGreg BiffleMatt PucciaToutes 17Crown RoyalMatt KensethJimmy FennigToutes 99AflacCarl EdwardsBob OsbourneToutesRusty Wallace RacingToyota 775-Hour EnergySteve WallaceLarry Carter1R3 MotorsportsToyota 23North Texas PipeScott RiggsGreg Conner35Sinica MotorsportsChevrolet 93Hewes Concrete PolishingGrant EnfingerAllen Wellman36Stratus Racing GroupChevrolet 75Maxxelance Energy DrinkDerrike CopeGary Keller33 Stewart-Haas Racing Chevrolet 14Mobil 1/Office DepotTony StewartDarian GrubbToutes 39U.S. ArmyRyan NewmanTony GibsonToutesTommy Baldwin RacingChevrolet 35Steve ParkTommy Baldwin Jr.8, 28Luke AssociatesGeoff Bodine17, 21, 25, 31-32Golden CorralPepsi MaxDave Blaney22, 26, 34-36 36Golden CorralAccell ConstructionBig RedPhilippe Lopez1-21, 23-24, 27-33Ron Fellows22Mike Skinner25Stephen Leicht26Geoffrey Bodine34-36 TRG Motorsports FordTRG switching manufacturers? – Jayski; Buckler said TRG will campaign new cars as part of a "light technological support program" with Roush Fenway Racing and new Ford FR9 powerplants from Roush Yates Engines. 71 Super Eco-Fuel SaverInterstate Moving ServicesAndy Lally Doug Richert1-5, 7-30, 32, 34-35Hermie Sadler6, 31, 33Mike Bliss36 77T.J. BellBarry Boeckenstedt32Whitney MotorsportsFord 46AAMCO TransmissionsRed Line OilJ.J. YeleyTony Furr1-7, 9-15, 17-18Bill Elliott8Andy Pilgrim16Erik Darnell19-21, 23Fisher NutsBrian Simo22Green Stuff Sales & SupplyScott Speed24-36 81Whitney CollisionARMA EnergyScott RiggsButch Lamoreux10-15, 18-19Brian Simo16 Wood Brothers Racing Ford 21 MotorcraftTrevor Bayne Donnie Wingo1-8, 15, 17, 20, 23, 27, 31-32, 34, 36Ricky Stenhouse Jr.12
Courses de la saison 2011 Nom de la course Circuit DateBudweiser ShootoutDaytona International Speedway, Daytona BeachGatorade DuelDaytona International Speedway, Daytona Beach1Daytona 500Daytona International Speedway, Daytona Beach2Subway Fresh Fit 500Phoenix International Raceway, Phoenix3Kobalt Tools 400Las Vegas Motor Speedway, Las Vegas4Jeff Byrd 500 presented by Food CityBristol Motor Speedway, Bristol5Auto Club 400Auto Club Speedway, Fontana6Goody's Fast Relief 500Martinsville Speedway, Ridgeway7Samsung Mobile 500Texas Motor Speedway, Fort Worth8Aaron's 499Talladega Superspeedway, Talladega9Crown Royal Presents the Matthew and Daniel Hansen 400Richmond International Raceway, Richmond10Showtime Southern 500Darlington Raceway, Darlington11FedEx 400 benefiting Autism SpeaksDover International Speedway, DoverSprint Showdown and All-Star Race XXVIICharlotte Motor Speedway, Concord12Coca-Cola 600Charlotte Motor Speedway, Concord13STP 400Kansas Speedway, Kansas City145-hour Energy 500Pocono Raceway, Long Pond15Heluva Good! Sour Cream Dips 400Michigan International Speedway, Brooklyn16Toyota/Save Mart 350Infineon Raceway, Sonoma17Coke Zero 400 powered by Coca-ColaDaytona International Speedway, Daytona Beach18Quaker State 400Kentucky Speedway, Sparta19Lenox Industrial Tools 301New Hampshire Motor Speedway, Loudon20Brickyard 400 presented by Big Machine Records.comIndianapolis Motor Speedway, Speedway21Good Sam RV Insurance 500Pocono Raceway, Long Pond22Heluva Good! Sour Cream Dips at The GlenWatkins Glen International, Watkins Glen23Pure Michigan 400Michigan International Speedway, Brooklyn24Irwin Tools Night RaceBristol Motor Speedway, Bristol25AdvoCare 500Atlanta Motor Speedway, Hampton26Wonderful Pistachios 400Richmond International Raceway, Richmond Chase pour le championnat27GEICO 400Chicagoland Speedway, Joliet28Sylvania 300New Hampshire Motor Speedway, Loudon29AAA 400Dover International Speedway, Dover30Hollywood Casino 400Kansas Speedway, Kansas City31Bank of America 500Charlotte Motor Speedway, Concord32Good Sam Club 500Talladega Superspeedway, Talladega33Tums Fast Relief 500Martinsville Speedway, Ridgeway34AAA Texas 500Texas Motor Speedway, Fort Worth35Kobalt Tools 500Phoenix International Raceway, Phoenix36Ford 400Homestead-Miami Speedway, Homestead
Classement saison 2011 Pilotes Légendes : Gras : Pole position décerné grâce aux temps de qualifications. Italique : Pole position décerné grâce aux résultats des essais. * : Le plus de tour menés.