The car was parked in a lean-to when the clutch broke and left the M20 Muncie stuck in gear; the owner never registered it but drove it around the house ...

The 1963 Chevrolet Impala Z11 factory drag car had a torque rating well in excess of 550, which still seems like a typo to ...

For the new season, the Impala RPO-coded Z11 would be Chevrolet's top dragstrip contender-it ended up being a machine that went down in history as a very competitive vehicle. Though the bigger ...

In total, just 57 Z11 Impalas were built—and of those, only a handful remain today. These were not cars you picked off a dealer lot. Most were shipped directly to racing teams, often with the ...

It was also the first stock car to exceed 120 mph (193 kph) in a quarter-mile run. Photo: Mecum Auctions But like many RPO-equipped, high-performance Chevys of the era, the Impala Z11 was far from ...

Designated RPO Z11 Indy Sport Convertible Accents, the option cost $36.90 (a brace of mandatory options pushed the price far higher). Each car was painted Dover White with Z28 style stripes done ...

code Z11, which bestowed Chevrolet's full-size Impala with something very special. It was an astronomically expensive option—at $1240, it added almost a third to the price of the car—and ...

These powerful Z11 cars could do 0-60 in 3.4 seconds, and the quarter-mile in 10.8 seconds. The cost of a Z11 was $4,000 in 1963 — which on its own is around $41,000 in today's money.

Prices shown are the prices you can expect to pay for a 1963 Chevrolet Impala 2 Door Hardtop Z11 (427) across different levels of condition. Edit options.

Great automotive intrigue occurred in the early 1960s when Chevrolet introduced a 409-based stroker displacing 427 cid specifically for racing, then decided to pull out of competitive motorsports.