The Pepsi Challenge and the New Coke Failure

Key Insight

In the early 1980s, the Coca-Cola Company faced increasing market pressure from Pepsi. Coke's share of exclusive drinkers dropped from 18% in 1972 to 12%, while Pepsi's rose from 4% to 11%, despite Coke's wider distribution and $100 million more in annual advertising. Pepsi launched the 'Pepsi Challenge,' a series of blind taste tests where consumers, even loyal Coke drinkers, consistently preferred Pepsi (M) over Coke (Q). Coca-Cola's internal blind tests confirmed this, showing 57% of tasters preferred Pepsi, a significant 57 to 43% edge, deeply concerning to management.

Coke's executives conducted extensive additional market research, which suggested that consumers now perceived Coke's distinctive 'bite' as 'harsh,' while Pepsi's 'rounded' and 'smooth' profile was favored. Roy Stout, head of Coke's consumer marketing research, became a leading advocate for taking these findings seriously, prompting the company to question why they were losing market share despite superior vending machine presence, shelf space, and advertising budget. This led to the development of 'New Coke,' a reformulation designed to be lighter and sweeter, more closely resembling Pepsi's taste.

The new formula showed immediate improvement in market research. Blind taste tests with hundreds of thousands of consumers across North America demonstrated New Coke beat Pepsi by 6 to 8 percentage points. Convinced of its success, CEO Roberto C. Goizueta launched New Coke as 'the surest move the company’s ever made.' However, the launch was a catastrophic failure; consumers reacted with outrage, leading to widespread protests. The company was forced to reintroduce the original formula as 'Classic Coke' within months, and New Coke sales virtually disappeared. Paradoxically, Pepsi's predicted 'inexorable rise' also failed to materialize, and Coke, with its taste-test 'inferior' original formula, remained the number one soft drink globally for the next two decades, illustrating the complexity of understanding consumer preferences beyond direct questioning.