How gas prices have changed in Portland, Maine in the last week

Written by:
May 25, 2026
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How gas prices have changed in Portland, Maine in the last week

compiled statistics on gas prices in Portland, ME metro area using data from . Gas prices are current as of May 25.

Portland, Maine by the numbers
- Gas current price: $4.47
--- Maine average: $4.49
- Week change: -$0.05 (-1.0%)
- Year change: +$1.43 (+46.9%)
- Historical expensive gas price: $5.09 (6/14/22)

- Diesel current price: $5.79
- Week change: -$0.03 (-0.6%)
- Year change: +$1.97 (+51.6%)
- Historical expensive diesel price: $6.43 (5/18/22)

Metros with the least expensive gas
#1. Gary, IN: $3.79
#2. Kokomo, IN: $3.80
#3. Brunswick, GA: $3.81

Read on to see which metros have the most expensive gas prices.

1 / 5
jittawit21 // Shutterstock

#5. Salinas, CA

- Regular gas price: $6.26
2 / 5
Rangsarit Chaiyakun // Shutterstock

#4. San Francisco, CA

- Regular gas price: $6.28
3 / 5
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#3. Santa Rosa, CA

- Regular gas price: $6.28
4 / 5
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#2. San Rafael, CA

- Regular gas price: $6.30
5 / 5
Elen Nika // Shutterstock

#1. Napa, CA

- Regular gas price: $6.37

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