How Many Gallons Does a Hyundai Tucson Hold

The Hyundai Tucson typically holds between 14.3 and 15.3 gallons of fuel, depending on the model year and trim. This capacity supports an estimated driving range of 350–450 miles per tank, making it a practical choice for daily commutes and weekend adventures alike.

Key Takeaways

• Fuel tank capacity varies slightly by model year: Most Hyundai Tucson models from 2016 to 2024 hold between 14.3 and 15.3 gallons, with newer trims often featuring larger tanks.
• Real-world range depends on driving conditions: Highway driving can extend your range, while city traffic, aggressive acceleration, and cold weather may reduce it.
• Hybrid and plug-in hybrid models have smaller tanks: The Tucson Hybrid and Plug-in Hybrid versions prioritize efficiency over tank size, with capacities around 13.7–14.3 gallons.
• Fuel economy impacts total range: With EPA estimates ranging from 25 to 38 MPG combined, your actual miles per tank will vary based on driving habits and terrain.
• Regular maintenance improves efficiency: Keeping tires inflated, using the correct oil, and servicing the air filter helps maintain optimal fuel economy.
• Use premium fuel only if recommended: Most Tucson models run efficiently on regular unleaded gasoline, saving you money at the pump.
• Plan long trips with refueling stops: Knowing your Tucson’s range helps avoid unexpected stops and ensures a smoother travel experience.

How Many Gallons Does a Hyundai Tucson Hold?

If you’re driving a Hyundai Tucson—or thinking about buying one—you’ve probably asked yourself: “How many gallons does a Hyundai Tucson hold?” It’s a smart question. Knowing your SUV’s fuel tank capacity helps you plan road trips, budget for gas, and understand how far you can go between fill-ups. The good news? The Hyundai Tucson is designed with practicality in mind, offering a fuel tank size that balances efficiency, range, and everyday usability.

The Hyundai Tucson has evolved significantly over the years, with each generation improving on fuel economy, interior space, and technology. But one thing remains consistent: it’s built to be a reliable, fuel-efficient compact SUV for families, commuters, and weekend explorers. Whether you’re navigating city streets or cruising down the highway, understanding your Tucson’s fuel capacity gives you peace of mind and better control over your driving experience.

In this guide, we’ll break down the exact fuel tank sizes across different Tucson models, explain how driving habits affect your range, and share tips to get the most out of every gallon. We’ll also cover hybrid versions, maintenance advice, and what to expect when filling up. By the end, you’ll know not just how many gallons your Tucson holds—but how to make every mile count.

Fuel Tank Capacity by Model Year and Trim

One of the first things to know is that the Hyundai Tucson’s fuel tank size isn’t the same across all years and trims. While the difference might seem small, it can impact your total driving range—especially on long trips. Let’s look at how the tank capacity has changed over time.

2016–2018 Hyundai Tucson

The third-generation Tucson (2016–2018) features a fuel tank capacity of 14.3 gallons. This was standard across all trims, including the base SE, SEL, Sport, and Limited models. Whether you had the 2.0L four-cylinder or the more powerful 1.6L turbocharged engine, the tank size remained consistent. With EPA-estimated fuel economy ranging from 23 to 26 MPG combined, drivers could expect a range of about 330 to 370 miles per tank.

2019–2021 Hyundai Tucson

The 2019 refresh brought minor updates, but the fuel tank size stayed at 14.3 gallons. However, improvements in engine efficiency and aerodynamics helped boost fuel economy slightly. The 2.0L engine now achieved up to 25 MPG combined, while the 1.6L turbo reached 26 MPG. This meant a slight increase in real-world range, even with the same tank size.

2022–2024 Hyundai Tucson

The fourth-generation Tucson, introduced in 2022, brought a bold new design and updated powertrains. Here’s where things changed: the fuel tank capacity increased to 15.3 gallons for most gas-powered models. This upgrade was part of Hyundai’s effort to improve range and reduce the need for frequent refueling. With the new 2.5L four-cylinder engine achieving up to 28 MPG combined, drivers could now travel over 425 miles on a single tank under ideal conditions.

Hybrid and Plug-in Hybrid Models

The Tucson Hybrid (2022–2024) and Plug-in Hybrid (PHEV) versions have slightly smaller fuel tanks. The Hybrid holds 14.3 gallons, while the PHEV comes in at 13.7 gallons. This reduction makes sense—hybrid models rely more on electric power, especially in city driving. The PHEV, for example, can travel up to 33 miles on electric power alone before the gas engine kicks in. Once the battery is depleted, the gas engine takes over, and the smaller tank is still sufficient thanks to the vehicle’s excellent efficiency.

Why the Variation?

You might wonder why tank sizes differ between models. It comes down to design priorities. Gas-only models prioritize range and convenience, so they get larger tanks. Hybrid models focus on efficiency and emissions, so they optimize for electric driving and use smaller gas tanks. Additionally, packaging constraints—like battery placement in hybrids—can limit space for a larger fuel tank.

Understanding Your Tucson’s Driving Range

Knowing how many gallons your Hyundai Tucson holds is only half the story. The real value comes from understanding how far you can drive on a full tank. This is called your “driving range,” and it depends on several factors beyond just tank size.

EPA Fuel Economy Estimates

The Environmental Protection Agency (EPA) provides fuel economy ratings for every vehicle, including the Tucson. These numbers are based on standardized tests that simulate city and highway driving. For example, the 2023 Tucson gas model gets an EPA-estimated 25 MPG in the city, 28 MPG on the highway, and 26 MPG combined. The Hybrid version does even better: 38 MPG combined, while the PHEV achieves up to 80 MPGe (miles per gallon equivalent) when using both gas and electric power.

Calculating Your Real-World Range

To estimate your range, multiply your Tucson’s fuel tank capacity by its MPG rating. Let’s do the math:

• Gas Tucson (15.3 gallons × 26 MPG) = ~398 miles
• Hybrid Tucson (14.3 gallons × 38 MPG) = ~543 miles
• PHEV Tucson (13.7 gallons × 35 MPG after electric range) = ~480 miles (including electric miles)

These are ideal estimates. In real life, your range will vary based on driving style, weather, terrain, and vehicle load.

Factors That Affect Range

Several real-world factors can reduce your Tucson’s range:

• City driving: Frequent stops and starts lower fuel efficiency. Expect 10–20% less range in heavy traffic.
• Highway driving: Cruising at steady speeds improves efficiency. You’ll likely hit or exceed EPA estimates on long highway trips.
• Weather: Cold temperatures reduce engine efficiency and increase cabin heating load. Winter driving can cut range by 10–25%.
• Load and cargo: Carrying heavy items or towing reduces fuel economy. Remove roof racks when not in use to improve aerodynamics.
• Driving habits: Aggressive acceleration and speeding waste fuel. Smooth, gradual driving maximizes range.

Example: A Weekend Road Trip

Imagine you’re driving a 2023 Tucson gas model from Atlanta to Nashville—about 250 miles. With a 15.3-gallon tank and 26 MPG, you have a range of nearly 400 miles. That means you can make the trip and still have over 100 miles of range left. No need to stop for gas unless you want to. But if you’re driving in winter, with the heater on and snow tires, your range might drop to 320 miles. Still enough—but it’s good to know so you can plan accordingly.

Gas vs. Hybrid vs. Plug-in Hybrid: What’s the Difference?

The Hyundai Tucson comes in three main powertrain options: gas, hybrid, and plug-in hybrid. Each has its own fuel tank size, efficiency, and ideal use case. Let’s compare them to help you choose the right one—or understand your current model better.

Gas-Powered Tucson

The standard gas Tucson is the most common version. It uses a 2.5L four-cylinder engine and runs on regular unleaded gasoline. With a 15.3-gallon tank and 26 MPG combined, it’s perfect for drivers who want simplicity, low maintenance, and long range. It’s ideal for daily commuting, family trips, and drivers who don’t want to worry about charging.

Hybrid Tucson

The Hybrid combines a 1.6L turbocharged gas engine with an electric motor. It doesn’t need to be plugged in—the battery recharges through regenerative braking and the engine. With a 14.3-gallon tank and 38 MPG combined, it offers significantly better fuel economy than the gas model. It’s great for city drivers who want to save on gas without changing their routine.

Plug-in Hybrid (PHEV) Tucson

The PHEV takes it a step further. It has a larger battery that can be charged at home or at public stations. It can drive up to 33 miles on electric power alone—perfect for short commutes. Once the battery is depleted, it switches to hybrid mode. With a 13.7-gallon tank and 80 MPGe, it’s the most efficient Tucson. However, it requires access to charging and has a smaller gas tank, so long trips may require more planning.

Which One Should You Choose?

If you drive mostly short distances and have a home charger, the PHEV saves the most money and reduces emissions. If you want better efficiency without charging, the Hybrid is a smart choice. If you prefer simplicity and maximum range, the gas model is reliable and cost-effective. All three hold enough fuel to get you where you need to go—just in different ways.

Tips to Maximize Fuel Efficiency and Range

Even with a full tank, you can get more miles out of your Hyundai Tucson by driving smart and maintaining your vehicle. Here are practical tips to help you maximize fuel efficiency and extend your range.

Drive Smoothly

Aggressive driving—like rapid acceleration and hard braking—can lower your fuel economy by 15–30%. Instead, accelerate gradually and anticipate stops. Use cruise control on highways to maintain a steady speed. This simple habit can add dozens of miles to your range.

Keep Tires Properly Inflated

Underinflated tires increase rolling resistance, which burns more fuel. Check your tire pressure monthly and keep it at the recommended level (found on the driver’s door jamb). Properly inflated tires improve handling, safety, and efficiency.

Reduce Weight and Drag

Extra weight and poor aerodynamics hurt fuel economy. Remove unnecessary items from your cargo area. Take off roof racks or cargo boxes when not in use. Even small changes—like closing windows at high speeds—can make a difference.

Use the Right Fuel

Most Tucson models are designed to run on regular unleaded gasoline (87 octane). Using premium fuel won’t improve performance or efficiency unless your specific trim recommends it. Check your owner’s manual to be sure. Stick with top-tier gas stations for cleaner fuel and better engine protection.

Maintain Your Vehicle

Regular maintenance keeps your Tucson running efficiently. Change the oil on schedule, replace the air filter when dirty, and keep the fuel system clean. A well-maintained engine burns fuel more efficiently and lasts longer.

Plan Your Routes

Use GPS apps to avoid traffic, construction, and hills when possible. Shorter, smoother routes save fuel. If you’re on a long trip, plan refueling stops near rest areas or attractions to make the most of your time.

Use Eco Mode

Many Tucson models come with an Eco driving mode. This adjusts throttle response, transmission shifts, and climate control to improve efficiency. It’s not a magic button—but it helps when used consistently.

Filling Up: What to Know at the Pump

Knowing how many gallons your Tucson holds is useful when you’re at the gas station. But there’s more to filling up than just pumping gas. Here’s what to keep in mind.

How Much Will It Cost?

Gas prices vary by location and time of year. As of 2024, the average price in the U.S. is around $3.50 per gallon. Filling a 15.3-gallon tank would cost about $53.55. Hybrid and PHEV models cost less due to smaller tanks and better efficiency. For example, filling a 13.7-gallon PHEV tank costs around $48.

When to Fill Up

Don’t wait until your tank is near empty. Modern fuel pumps can draw in sediment from the bottom of the tank, which may clog fuel filters. Aim to refuel when your tank is around ¼ full. This also gives you a buffer in case you’re delayed or take a detour.

Use the Correct Fuel Grade

Again, most Tucsons use regular unleaded gasoline. Using a higher octane than recommended won’t improve performance—it just costs more. Only use premium if your owner’s manual specifies it (usually for high-performance trims).

Consider Fuel Rewards Programs

Many gas stations and credit cards offer rewards for fuel purchases. Sign up for programs like Shell Fuel Rewards, Exxon Mobil Rewards+, or grocery store gas points. Over time, these can save you $50–$100 per year.

Conclusion: Make Every Gallon Count

So, how many gallons does a Hyundai Tucson hold? The answer depends on your model year and powertrain, but most hold between 14.3 and 15.3 gallons. This capacity, combined with strong fuel economy, gives the Tucson a practical range of 350 to over 500 miles per tank—depending on how you drive.

Whether you’re commuting to work, taking a family vacation, or just running errands, understanding your Tucson’s fuel system helps you drive smarter and save money. From choosing the right model to maintaining your vehicle and driving efficiently, small choices add up to big savings.

The Hyundai Tucson isn’t just a stylish, feature-packed SUV—it’s a smart investment in your daily life. With the right knowledge and habits, you can get the most out of every gallon and enjoy the freedom of the open road with confidence.

Frequently Asked Questions

How many gallons does a 2023 Hyundai Tucson hold?

The 2023 Hyundai Tucson gas model holds 15.3 gallons of fuel. The Hybrid version holds 14.3 gallons, and the Plug-in Hybrid holds 13.7 gallons. These capacities support a range of 350–540 miles depending on the model and driving conditions.

Can I use premium gas in my Hyundai Tucson?

Most Hyundai Tucson models are designed to run on regular unleaded gasoline (87 octane). Using premium fuel is not necessary and won’t improve performance unless your specific trim recommends it. Check your owner’s manual for guidance.

How far can a Hyundai Tucson go on a full tank?

A gas-powered Tucson with a 15.3-gallon tank and 26 MPG can travel about 398 miles on a full tank. The Hybrid version can go over 540 miles, while the PHEV offers up to 480 miles including electric range. Real-world results vary based on driving habits and conditions.

Does the Hyundai Tucson Hybrid have a smaller gas tank?

Yes, the Hyundai Tucson Hybrid has a 14.3-gallon fuel tank, which is slightly smaller than the 15.3-gallon tank in the gas model. This is due to space needed for the hybrid battery and electric motor. Despite the smaller tank, the Hybrid achieves better fuel economy and a longer overall range.

How often should I fill up my Hyundai Tucson?

It’s best to refuel when your tank reaches about ¼ full. This prevents running too low, which can damage the fuel pump, and gives you a buffer in case of delays. Most drivers fill up every 300–400 miles, depending on their driving habits and model.

What affects the fuel range of a Hyundai Tucson?

Factors like driving style, weather, terrain, vehicle load, tire pressure, and maintenance all impact fuel range. City driving, cold weather, and aggressive acceleration reduce efficiency, while highway driving and proper maintenance help maximize it.