The original Dodge Charger, introduced mid-1966 model year, was derived from the Chrysler B-body intermediate platform and wore fastback styling. Despite its sporty appearance, the 1966–1967 Charger found NASCAR competition difficult. The 1968 Charger was redesigned with a sleeker look and entered NASCAR but also proved unsuccessful aerodynamically on the high-speed superspeedways, with its recessed rear window creating turbulent airflow at racing speeds.
To address these aerodynamic shortcomings, Dodge produced the limited-edition Charger 500 for 1969, which featured a flush rear window and a conventional flush grille to reduce drag. However, even the Charger 500 was not quick enough at the superspeedways against Ford's Torino Talladega. This prompted the development of the far more radical Dodge Charger Daytona for 1969, which added a distinctive aerodynamic nosecone and a tall rear stabilizer wing. The Daytona won its first race, the inaugural Talladega 500, and set records that would stand for years.
The 1970 Charger, in standard trim, proved highly competitive: it won the most NASCAR races of any car in the 1970 season, helping Bobby Isaac claim the Grand National championship that year.
The Dodge Charger Daytona of 1969 and its Plymouth Superbird counterpart from 1970 represented a brief but legendary chapter in NASCAR history. NASCAR's rules for the 1971 season effectively banned these aero-cars by limiting cars with engines larger than 305 cubic inches from receiving the aerodynamic bodywork advantage. The era of the winged Mopars came to a swift close, but the Charger's reputation for superspeedway speed was firmly established.
After Dodge withdrew from NASCAR following the 1977 season, the brand returned in 2001 with new Cup Series entries. For the 2006 model year, Dodge introduced the sixth-generation Charger as a four-door sedan on the LX platform, and this modern Charger became Dodge's NASCAR Cup Series body style. Dodge-aligned teams campaigned Charger-branded stock cars throughout the 2000s and into the early 2010s before Dodge again withdrew from the Cup Series after 2012.
The Dodge Charger's NASCAR legacy is multifaceted. In the late 1960s it represented Chrysler's technological ambition on the superspeedways, evolving from a flawed racing platform into one of the most distinctive racing cars in the sport's history with the Daytona variant. Bobby Isaac's 1970 championship in a standard Charger underlines that the nameplate was successful even without the extreme aero treatment. The Charger name returned in the modern era as Dodge's Cup Series identity before the manufacturer's second departure, leaving behind a body of results across teams and eras that spans nearly five decades of NASCAR involvement.