Gas Prices in Knoxville, TN Today

Updated April 5, 2026 — Prices updated regularly from EIA data

$2.82

Average Regular Unleaded — Knoxville, Tennessee

Current Gas Prices in Knoxville

Motorists in Knoxville are seeing $$2.82 per gallon at the pump today for regular gas. This is $0.22 below the Tennessee average the Tennessee state average, driven by local competition and Knoxville's proximity to supply infrastructure.

Fuel TypePrice / GallonGradeTrend
Regular Unleaded$2.8287 octane▲ Rising
Mid-Grade$3.2689 octane▲ Rising
Premium$3.5291-93 octane▲ Rising
Diesel$3.82N/A▲ Rising

Price Comparison

Knoxville Average
$2.82
Regular Unleaded
Tennessee State Average
$3.04
$0.22 below the Tennessee average
National Average
$3.99
$1.17 below the national average

About Gas Prices in Knoxville

Knoxville's position in Tennessee gives it Southeast supply chain supply chain characteristics. Refinery-direct brands like Valero and wholesale retailers like Costco typically offer the strongest value in the area. Premium brands like Shell and Chevron charge a quality markup that may or may not be worth it depending on your vehicle.

Gas Prices by Brand in This City

Estimated prices based on brand modifiers. Sorted cheapest to most expensive.

CHEAPEST
Costco
$2.67
Speedway
$2.79
Circle K
$2.80
Sunoco
$2.83
Marathon
$2.84
BP
$2.86
Mobil
$2.87
Exxon
$2.88
Shell
$2.90
Chevron
$2.92

Fuel Type Prices in This City

Regular Unleaded
87 octane
Premium Gasoline
91-93 octane
Diesel Fuel
N/A

Gas Prices in Nearby Cities

Asheville$2.80Johnson City$2.67
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Frequently Asked Questions

Costco and Sam's Club fuel stations serve many major metropolitan areas and offer the lowest prices for members — typically 15-25 cents below local market. Membership costs $65-130/year but typically pays for itself in fuel savings alone for regular drivers.
Gas price spikes in Knoxville are typically triggered by regional supply disruptions, pipeline outages, refinery maintenance, seasonal blend transitions, and global crude oil price increases. Holiday demand surges around Memorial Day, July 4th, and Labor Day also push prices up temporarily.
Premium gas in Knoxville is worth the extra cost only if your vehicle requires it. If your owner's manual says Required, always use premium. If it says Recommended, you may use regular with minimal performance loss. Never use regular in a vehicle that requires premium.
Costco offers the cheapest gas wherever it operates in the Knoxville area. Among street stations, Circle K, Speedway, and Wawa (in applicable markets) consistently offer below-average prices. Shell, Chevron, and BP typically price above the local average.
At today's Knoxville average of $$2.82 per gallon, a standard 13-gallon sedan tank costs ${fillCost} to fill. A larger 20-gallon SUV or truck tank runs ${truckFill}. Choosing the cheapest local station can save $3-5 on each fill-up.

Related Gas Price Pages

Gas Prices in TennesseeCheapest Gas in KnoxvilleGas Prices Near KnoxvilleCompare All StatesRegular Unleaded in KnoxvillePremium Gasoline in KnoxvilleDiesel Fuel in KnoxvilleShell - KnoxvilleExxon - KnoxvilleBP - KnoxvilleChevron - KnoxvilleMobil - KnoxvilleGas Prices in AshevilleGas Prices in Johnson City