Regular Unleaded Prices in Clarksville, TN

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

$2.82

Regular Unleaded (87 octane) per gallon

About Regular Unleaded in Clarksville

At $$2.82 per gallon, regular gas in Clarksville, Tennessee is {comparison} the national average for 87-octane fuel. Most commuters and everyday drivers have no reason to buy anything other than regular.

When to Use Regular Unleaded

Best for: everyday driving

Vehicle types: most cars and trucks

Fuel Price Comparison in Clarksville

Fuel TypePricevs. Regular UnleadedOctane
Regular Unleaded THIS PAGE$2.82—87
Premium Gasoline$3.52+$0.7091-93
Diesel Fuel$3.82+$1.00N/A

Regular Unleaded in Nearby Cities

Nashville$3.00Franklin$2.74Bowling Green$3.15Murfreesboro$2.89Owensboro$2.89
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Frequently Asked Questions

If your car requires premium and you accidentally fill with regular, modern engines have knock sensors that retard timing to prevent damage. You may notice reduced performance and slightly worse fuel economy. Fill with premium on your next fill-up. This is a minor issue if it happens occasionally.
Follow your owner's manual recommendation regardless of whether the car is new. Engine break-in does not require a specific fuel grade. Use what the manufacturer specifies from day one.
Vehicles requiring Regular Unleaded typically include most cars and trucks. Your owner's manual and the label inside your fuel door specify the required grade. Using a lower octane than required can cause engine knock and reduce performance over time.
Only if your vehicle requires or recommends it. For vehicles designed for regular 87 octane, there is no measurable performance benefit from upgrading to Regular Unleaded. If your manual specifies Regular Unleaded, the investment protects your engine.

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