The gas-powered 2013 Hyundai Sonata has a fuel tank size of 18.5 gallons across all trim levels and configurations. Knowing how much gas your Sonata can hold and how far it will take you will help you figure out the gas mileage and how efficiently you’re driving.
Before you set out for any long-distance road trip with your Hyundai Sonata, it’s always wise to check its fuel tank size. This will help you plan for stops along the way to fuel up. The most reliable source would be the owner’s manual but it may not always be accessible.
How big is the gas tank on a 2013 Hyundai Sonata?
The gas mileage you can get is directly affected by your driving style. However, the average driver can get a gas mileage between 26 and 38 mpg combined city/highway depending on the trim and powertrain.
How to check your 2013 Hyundai Sonata’s gas tank size
There are a few ways to find out your Sonata’s tank size. Remembering the methods below will be helpful when you don’t have access to this page.
You can physically measure and calculate your gas tank size. You just need to measure the height, width, and length of the tank in inches. Then, multiply the dimensions and divide the total by 231 to get the size in gallons.
Check your owner’s manual
Your most accurate resource to check the fuel tank size of the Hyundai Sonata is through the owner's manual. You should be able to find the information under the “fuel tank capacity” section.
Drive till empty, then fill it up
Getting an estimate is good enough if you’re in a bind and have no other resources. To roughly determine the Hyundai Sonata fuel tank size, you need to drive until your fuel gauge is empty (“E” on the gauge). You can then top up the gas tank to find the gas tank size. To avoid driving on “E” for too long, you can drive close to the gas station so you can head there as soon as you reach empty.
How to save on fuel costs in a Hyundai Sonata
The 2013 Hyundai Sonata should get 26 to 28 mpg combined city/highway with the regular gas engine. You can also opt for the Hyundai Sonata Hybrid, which has a better fuel economy rating of up to 22 mpg combined city/highway.
To help minimize your fuel costs, here's how you can improve your Hyundai Sonata fuel economy:
How to optimize your Sonata’s insurance coverage