How gas prices have changed in Kennewick in the last week

Stacker compiled statistics on gas prices in Richland-Kennewick-Pasco, WA metro area using data from AAA. Gas prices are current as of May 4.

Kennewick by the numbers
- Gas current price: $5.37
--- Washington average: $5.67
- Week change: +$0.24 (+4.7%)
- Year change: +$1.36 (+33.8%)
- Historical expensive gas price: $5.38 (5/3/26)

- Diesel current price: $6.69
- Week change: $0.00 (0.0%)
- Year change: +$2.37 (+54.7%)
- Historical expensive diesel price: $6.93 (4/10/26)

Metros with the least expensive gas
#1. Albany, GA: $3.70
#2. Valdosta, GA: $3.71
#3. Augusta-Aiken (GA only), GA: $3.73

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