Average gasoline prices in Tennessee have risen 44.7 cents per gallon in the last week, averaging $3.87/g today, according to GasBuddy's survey of 3,821 stations in Tennessee. Prices in Tennessee are 72.7 cents per gallon higher than a month ago and stand $1.33/g higher than a year ago.Example of Regular Unleaded Prices in Rutherford County, TN:Monday Morning, March 7, 2022• Sam's Club (125 John R Rice Blvd) $3.75/gal (03/07/22)• Costco (1524 Beasie Rd, Murfreesboro, TN) $3.93/gal .