Colorado gas price history

Every weekly average the EIA has published for Colorado since 2000-06-05 — 1,377 observations. Today is among the most expensive weeks on record: only 1% were dearer.

Your dates, compared

Was gas cheaper then?

Compare two published weeks in Colorado. Inflation-adjusted prices use September 2026 dollars.

Earlier dateLater date

Published weeks: 2025-09-29 and 2026-09-28. A date between releases uses the preceding observation within seven days.

Prices as paid · per gallon

$2.927 → $4.094

39.9% change

In September 2026 dollars · per gallon

$3.036 → $4.094

34.8% change

Sources: US EIA weekly retail prices; BLS monthly CPI-U. The download includes actual observation dates, units and methodology. Prices are averages, not individual station quotes.

Regular now

$4.27/gal

$0.01/gal below the US average

All-time high

$4.87/gal

2022-06-20

All-time low

$1.04/gal

2001-12-17

Since 2000

+181.7%

from $1.52/gal

Colorado pump prices · USD/gal · monthly average, 2000–2026

$4.16▲ 160.8%over range

Regular
Diesel (Rocky Mountain)

Source: U.S. Energy Information Administration weekly retail prices, averaged by month by FuelWideDownload chart:

Show the data as a table

Today’s Colorado prices → What a 100-mile commute costs this week →

Where today sits

Five years ago

$3.51/gal

2021-10-18 · +21.9% since

Ten years ago

$2.16/gal

2016-10-17 · +97.5% since

Twenty years ago

$2.33/gal

2006-10-16 · +83.4% since

Average price by year

Year	Average	In September 2026 money	Cheapest	Dearest
2026	$3.69	—	$2.19	$4.62
2025	$2.87	—	$2.20	$3.20
2024	$3.06	$3.28	$2.53	$3.45
2023	$3.52	$3.90	$2.58	$4.10
2022	$3.76	$4.32	$2.72	$4.87
2021	$3.13	$3.89	$2.21	$3.62
2020	$2.21	$2.87	$1.64	$2.65
2019	$2.55	$3.35	$1.96	$2.83
2018	$2.64	$3.54	$2.24	$2.93
2017	$2.32	$3.19	$2.14	$2.56
2016	$2.04	$2.86	$1.54	$2.26
2015	$2.33	$3.31	$1.85	$2.86
2014	$3.33	$4.74	$2.15	$3.65
2013	$3.42	$4.94	$2.83	$3.83
2012	$3.49	$5.11	$2.99	$3.89
2011	$3.40	$5.09	$2.84	$3.78
2010	$2.67	$4.12	$2.48	$2.78
2009	$2.25	$3.53	$1.49	$2.59
2008	$3.17	$4.94	$1.54	$4.03
2007	$2.79	$4.52	$2.06	$3.31
2006	$2.55	$4.25	$2.14	$3.03
2005	$2.26	$3.89	$1.73	$3.04
2004	$1.81	$3.23	$1.44	$2.00
2003	$1.53	$2.80	$1.39	$1.71
2002	$1.35	$2.53	$1.07	$1.48
2001	$1.46	$2.77	$1.04	$1.77
2000	$1.56	$3.04	$1.44	$1.67

Adjusted using published monthly BLS CPI-U (CUUR0000SA0), in September 2026 dollars. An adjusted annual mean is omitted if any weekly observation lacks published CPI. Compare against the national series →