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Financial tools for understanding prices, value, and purchasing power.

BLS average price

How much did premium gasoline cost in September 1998?

Premium gasoline averaged $1.23 per gallon in September 1998.

$1.23

per gallon in September 1998

Adjusted with CPI-U, that is about $2.51 in 2026 dollars.

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Source: U.S. Bureau of Labor Statistics Average Price Data, APU000074716. Imported from BLS bulk time-series files (raw published monthly values).

Related historical prices

Premium gasoline prices in 1998
Historical premium gasoline prices
Premium gasoline prices in August 1998
Premium gasoline prices in October 1998
Gas inflation calculator

Data: U.S. Bureau of Labor Statistics — CPI-U. Series CUUR0000SA0, base period 1982–84 = 100. Coverage: 1913–2026. April CPI is used for 2026 until the annual average is published.

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