How gas prices have changed in Phoenix in the last week

Stacker compiled statistics on gas prices in Phoenix-Mesa, AZ metro area using data from AAA. Gas prices are current as of July 20.

Phoenix by the numbers
- Gas current price: $4.28
--- Arizona average: $4.27
- Week change: +$0.47 (+12.3%)
- Year change: +$0.99 (+30.2%)
- Historical expensive gas price: $5.69 (6/15/22)

- Diesel current price: $5.28
- Week change: +$0.46 (+9.5%)
- Year change: +$1.62 (+44.3%)
- Historical expensive diesel price: $6.22 (4/8/26)

Metros with the least expensive gas
#1. Clarksville, IN: $3.25
#2. Evansville, IN: $3.27
#3. Columbus, IN: $3.28

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