2026 Hyundai Tucson Plug-In Hybrid Gas Tank Size and Capacity
Fuel tank capacity
11.1gal · 42 L
The 2026 Hyundai Tucson Plug-In Hybrid has a fuel tank capacity of 11.1 gallons (42 liters) on every trim.
A full tank is good for roughly 389 highway miles or 389 miles around town, going by the EPA ratings.
11.1 gal · Smaller than 98% of 2026 models we list.
Listed separately: 2026 Hyundai Tucson (13.7–14.3 gal).
2026 Hyundai Tucson Plug-In Hybrid fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Limited 4dr SUV AWD 1.6L 4cyl Turbo 6A · AWD Plug-in hybrid MPG 35 / 35Range 389 / 389 mi | 1.6L 4cyl Turbo 6A Plug-in hybrid | AWD | 11.1 gal42 L | 35 / 35 | 389 / 389 mi | |
| SEL 4dr SUV AWD 1.6L 4cyl Turbo 6A · AWD Plug-in hybrid MPG 35 / 35Range 389 / 389 mi | 1.6L 4cyl Turbo 6A Plug-in hybrid | AWD | 11.1 gal42 L | 35 / 35 | 389 / 389 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2026 Hyundai Tucson Plug-In Hybrid goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 35 MPG, a full 11.1-gallon tank covers about 389 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 11.1 | 389 | 389 |
| 3/4 | 8.3 | 291 | 291 |
| 1/2 | 5.6 | 194 | 194 |
| 1/4 | 2.8 | 97 | 97 |
| 1/8 | 1.4 | 49 | 49 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 429 gallons, roughly 39 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
- EPA combined
- 35 MPG
- Tailpipe CO2
- 103 g/mi
- EPA greenhouse score
- 9 of 10
- Source
- EPA ratings ↗
What it costs to fill up a 2026 Hyundai Tucson Plug-In Hybrid
$47.40 to fill the 11.1-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 11.1 gal | Regular | $4.27 | $47.40 | $35.55 |
By region, 11.1-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $44.62 |
| Midwest | $4.27 | $47.40 |
| Gulf CoastLowest | $3.70 | $41.07 |
| Rocky Mountain | $4.46 | $49.51 |
| West Coast | $5.42 | $60.16 |
| CaliforniaHighest | $5.89 | $65.38 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 11.1-gallon tank$47.40
- A year of driving (15,000 mi)$1,830
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Tucson Plug-In Hybrid tank size in other years
The 2026 Tucson Plug-In Hybrid uses the same 11.1 gal tank as every Tucson Plug-In Hybrid since 2022.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 Tucson Plug-In Hybrid | 11.1 gal | 389 mi |
| 2025 Tucson Plug-In Hybrid | 11.1 gal | 389 mi |
| 2024 Tucson Plug-In Hybrid | 11.1 gal | 389 mi |
| 2023 Tucson Plug-In Hybrid | 11.1 gal | 389 mi |
| 2022 Tucson Plug-In Hybrid | 11.1 gal | 389 mi |
2026 Hyundai Tucson Plug-In Hybrid fuel system recalls
None of the 4 recalls NHTSA lists for the 2026 Hyundai Tucson Plug-In Hybrid involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2026 Hyundai Tucson Plug-In Hybrid?
The 2026 Hyundai Tucson Plug-In Hybrid holds 11.1 gallons (42 liters) on every trim we list.
How many gallons and liters does the 2026 Hyundai Tucson Plug-In Hybrid gas tank hold?
The 2026 Hyundai Tucson Plug-In Hybrid tank holds 42 liters, or 11.1 gallons in US gallons.
How far can a 2026 Hyundai Tucson Plug-In Hybrid go on a full tank?
About 389 miles on the highway and 389 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2026 Hyundai Tucson Plug-In Hybrid go on a quarter tank?
About 97 miles from the 11.1-gallon tank, which has roughly 2.8 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2026 Hyundai Tucson Plug-In Hybrid take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2026 Hyundai Tucson Plug-In Hybrid?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 11.1-gallon tank from empty costs $47.40. It ranges from $41.07 in the Gulf Coast to $65.38 in California.
How much does a full tank of gas weigh in a 2026 Hyundai Tucson Plug-In Hybrid?
About 69 pounds for the 11.1-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Has the 2026 Hyundai Tucson Plug-In Hybrid had a fuel pump or fuel system recall?
No. None of the 4 recalls NHTSA lists for the 2026 Hyundai Tucson Plug-In Hybrid involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, cross-checked against a second spec database. Updated October 2026.
- MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026.
- Recalls: NHTSA recall database.
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.