Gaithersburg Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4.02 | $4.49 | $4.82 | $4.82 | $3.22 |
| Month Ago Avg. | $4.02 | $4.49 | $4.82 | $4.83 | $3.22 |
Highest Recorded Average Gas Price In Gaithersburg Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $4.84 | 06/29/26 |
| Regular | $4.02 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Gaithersburg
CITGO in Gaithersburg (409 E Diamond Ave)
409 E Diamond Ave, Gaithersburg, Maryland,
$4.09
Jul 18, 2026
0¢ Cashback
Liberty in Gaithersburg (623 S Frederick Ave)
623 S Frederick Ave, Gaithersburg, Maryland,
$4.09
Jul 18, 2026
0¢ Cashback
Liberty in Gaithersburg (19205 Watkins Mill Rd)
19205 Watkins Mill Rd, Gaithersburg, Maryland,
$4.09
Jul 18, 2026
0¢ Cashback
BP in Gaithersburg (16210 S Frederick Ave)
16210 Frederick Road, Gaithersburg, Maryland,
$4.14
Jul 18, 2026
0¢ Cashback
Royal Farms in Gaithersburg (690 Watkins Mill Rd)
690 Watkins Mill Rd, Gaithersburg, Maryland,
$4.19
Jul 18, 2026
0¢ Cashback
BP in Gaithersburg (19304 Montgomery Village Ave)
19304 Montgomery Village Ave, Gaithersburg, Maryland,
$4.22
Jul 18, 2026
0¢ Cashback
7-Eleven in Gaithersburg (3 Professional Dr)
3 Professional Dr, Gaithersburg, Maryland,
$4.25
Jul 18, 2026
0¢ Cashback
Liberty in Gaithersburg (18267 Flower Hill Way)
18267 Flower Hill Way, Gaithersburg, Maryland,
$4.29
Jul 18, 2026
0¢ Cashback
7-ELEVEN in Gaithersburg (9051 Snouffer School Rd)
9051 Snouffer School Rd, Gaithersburg, Maryland,
$4.39
Jul 18, 2026
0¢ Cashback
Shell in Gaithersburg (501 Quince Orchard Rd)
501 Quince Orchard Rd, Gaithersburg, Maryland,
$4.49
Jul 18, 2026
3¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.