Santa Fe gas holds near $4.14 as diesel nears $5.39

Regular gasoline in the Santa Fe metro was $4.139 per gallon in AAA’s July 31, 2026 price check, while diesel was $5.391. The two fuels moved in different directions over the short term: gasoline edged higher from the previous day, while diesel eased slightly.

Gasoline is nearly flat day to day, but higher over longer periods

AAA listed regular gasoline at $4.139 per gallon for the Santa Fe metro. That was an increase of 0.4 cents from the previous day.

The daily change was small, but the longer comparisons were more significant. Regular gasoline was 5.6 cents higher than the prior week, 37.5 cents higher than the prior month, and $1.242 higher than a year earlier, according to the AAA table.

For households and commuters, that means a relatively stable day-to-day pump price is occurring at a much higher level than earlier comparison points. Drivers filling larger vehicles, commuting longer distances, or making frequent trips may notice the difference more clearly in weekly fuel budgets than in a single tank.

Diesel slipped slightly but remains the sharper cost issue

AAA’s Santa Fe metro figure for diesel was $5.391 per gallon. Diesel declined 1.5 cents from the previous day, but it remained 20.7 cents higher than the prior week, 34 cents above the prior month, and $1.816 higher than a year earlier.

That split matters because diesel is widely used by delivery operators, contractors, agricultural businesses, service companies, commercial fleets, and heavy vehicles. A one-day decline does not establish a sustained downward trend, and the longer comparisons show that diesel users are still facing considerably higher costs than they were during those earlier periods.

What the difference may mean locally

Passenger-vehicle commuters are primarily exposed to the gasoline increase, while businesses that depend on diesel may face broader operating pressure. Higher diesel costs can affect delivery routes, construction and landscaping work, equipment use, agricultural operations, restaurant supply runs, and service calls. Those expenses may be absorbed by businesses, reflected in service prices, or passed through in other ways, but the AAA data alone does not establish how any particular Santa Fe business is responding.

Weekend travelers and event visitors should also remember that prices can vary from station to station. The Santa Fe metro average is not the price at every pump, so comparing locations before filling up may make a practical difference.

National data provides context, not a Santa Fe substitute

The U.S. Energy Information Administration’s weekly gasoline and diesel table provides a broader national benchmark for tracking fuel markets. It should be read separately from AAA’s Santa Fe metro figures, which are the local data point for this update.

What are you seeing around Santa Fe? Share the highest and lowest pump prices you have found locally, and note whether the price was for regular gasoline or diesel.

Sources

• AAA Gas Prices — Santa Fe metro averages
• U.S. Energy Information Administration — Weekly fuel prices