Richard Petty personally convinced Pontiac to build the 1986 Grand Prix 2+2, a one-year-only homologation special engineered to outrun Ford’s Thunderbird at NASCAR’s fastest tracks. Its dramatic sloped nose and massive rear window—added after Petty’s input—made it the most extreme aero coupe of the era.

Why Did Richard Petty Want This Car? Petty, who raced Pontiacs from the 1980s until his 1992 retirement, knew the G-body platform struggled against Ford’s Thunderbird in high-speed drafting. Pontiac’s engineers responded by stripping away traditional styling and replacing it with a **radically sloped nose** and a **giant, elongated rear window**—features that turned the car into a wind-cheating weapon.

How Was the 1986 Grand Prix 2+2 Built? Unlike standard models, these cars started as regular Grand Prix coupes at Pontiac’s Oshawa plant in Canada. They were then shipped to a U.S. facility where engineers bolted on the **aerodynamic nose cone, fiberglass panels, and a decklid spoiler**. The result? A car so impractical it could barely fit groceries—but NASCAR didn’t care about trunk space.

What Made It So Fast? The 2+2 packed a **389-cubic-inch V8**, bucket seats, and a center console with a vacuum gauge. But its speed came from the aerodynamics. The **sloped nose** reduced drag, while the **massive rear window** (nicknamed the "aero coupe" back glass) improved high-speed stability. It was built in 1986 only—1,000 units—with no thought for comfort.

Why the ‘2+2’ Name? The badge was a leftover from the 1964–1967 Catalina 2+2, which Pontiac had revived as a performance symbol. The 1965 model, in particular, earned praise after **Car and Driver** pitted it against a Ferrari 330 GT 2+2—proving American muscle could match European finesse in straight-line speed.

What Happened Next? The 1986 Grand Prix 2+2 vanished after one season, but its legacy lived on. Collectors now chase the model, especially the 1965 version, which remains the most sought-after. Petty’s influence? Indisputable—this car was built for one reason: to win on NASCAR’s brutal superspeedways.