Gas Discount Code: 10 Cents Off Per Gallon at CentsOff Marathon Locations (Up to 20% Off)

Multiple Locations

Value Discount You Save
$10 15% $1.50
Give as a Gift
Limited quantity available
Over 20 bought

In a Nutshell

Use your Groupon to drop the price of gas 10 cents per gallon at participating CentsOff Marathon locations

The Fine Print

Promotional value expires Dec 31, 2020. Amount paid never expires. Limit 5 per person. Limit 1 per visit. Valid only for option purchased. Full offer value of deal purchased never expires. To receive the full value of the CentsOff Marathon Fuel Savings, you much purchase motor fuel at a participating CentsOff Marathon station. Codes are not stackable. Limit 1 code per gas purchase. Valid only at participating CentsOff Marathon locations. CentsOff Marathon is powered by Drop Tank; contact Drop Tank at sales@drop-tank.com or 888-654-3767 with questions. Not valid with Groupon Promo Codes Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Offer is not eligible for our promo codes or other discounts.

Choose from Three Options

  • $8.50 for 10 cents off each gallon of gas up to 100 gallons ($10 value)
  • $20.50 for 10 cents off each gallon of gas up to 250 gallons ($25 value)
  • $40 for 10 cents off each gallon of gas up to 500 gallons ($50 value)

Valid at participating CentsOff Marathon locations. Click here to see a full list of participating locations in your area.

CentsOff Marathon allows drivers to enter a code at the pump that drops the price of gas at participating Marathon locations. Your Groupon voucher and redemption code will be used at the pump to instantly obtain a 10-cent-per-gallon discount, with no physical card required.

CentsOff Marathon, powered by Drop Tank

Drop Tank was created to expand the market for fuel discount rewards. Drop Tank’s fuel discount rewards can be used for gifts, promotions, and incentives at thousands of gas stations across the country. Drop Tank’s CentsOff Marathon rewards are redeemable only at participating Marathon locations.

To reap those benefits, you simply need to swipe your CentsOff card at the pump or enter the CentsOff code prior to paying for the gas. From there, you can pay and fill up as you normally would. View the company's how-to videos to learn more.

Customer Reviews

Everything was fine except he wanted the paperwork fortunately, I wrote the numbers down so I can use it again. I can use it for 500 gallons, right.
Judith D. · October 28, 2016
Merchant replied
View Comment +
Thank you for your feedback! Yes, you can use the code for 500 gallons of fuel discount. If you have any trouble redeeming at a participating Marathon location (www.drop-tank.com/marathon), please give us a call at 888-654-3767. We look forward to helping you drop the price at the pump!
Merchant replied · November 1, 2016
Easy to use and a good value.
Ari A. · October 7, 2016
Merchant replied
View Comment +
Thank you for your feedback! It's always appreciated to hear when we've met or exceeded expectations. Enjoy your fuel discounts!
Merchant replied · December 6, 2016
Worked great...lowered the price at the pump. Definitely check the map to make sure the Marathon you want to use is listed.
Christina C. · July 11, 2016

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.