2018 Hyundai Tucson Gas Tank Size & Fuel Capacity
Fuel tank capacity
16.4gal · 62 L
The 2018 Hyundai Tucson has a fuel tank capacity of 16.4 gallons (62 liters) on every trim.
A full tank is good for roughly 410–492 highway miles or 344–410 miles around town, going by the EPA ratings.
16.4 gal · Smaller than 62% of 2018 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2018 Hyundai Tucson fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 12 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Limited 4dr SUV 1.6L 4cyl Turbo 7AM · FWD MPG 25 / 30Range 410 / 492 mi | 1.6L 4cyl Turbo 7AM | FWD | 16.4 gal62 L | 25 / 30 | 410 / 492 mi | |
| Limited 4dr SUV AWD 1.6L 4cyl Turbo 7AM · AWD MPG 24 / 28Range 394 / 459 mi | 1.6L 4cyl Turbo 7AM | AWD | 16.4 gal62 L | 24 / 28 | 394 / 459 mi | |
| SE 4dr SUV 2.0L 4cyl 6A · FWD MPG 23 / 30Range 377 / 492 mi | 2.0L 4cyl 6A | FWD | 16.4 gal62 L | 23 / 30 | 377 / 492 mi | |
| SE 4dr SUV AWD 2.0L 4cyl 6A · AWD MPG 21 / 26Range 344 / 426 mi | 2.0L 4cyl 6A | AWD | 16.4 gal62 L | 21 / 26 | 344 / 426 mi | |
| SEL 4dr SUV 2.0L 4cyl 6A · FWD MPG 23 / 30Range 377 / 492 mi | 2.0L 4cyl 6A | FWD | 16.4 gal62 L | 23 / 30 | 377 / 492 mi | |
| SEL 4dr SUV AWD 2.0L 4cyl 6A · AWD MPG 21 / 26Range 344 / 426 mi | 2.0L 4cyl 6A | AWD | 16.4 gal62 L | 21 / 26 | 344 / 426 mi | |
| SEL Plus 4dr SUV 2.0L 4cyl 6A · FWD MPG 23 / 30Range 377 / 492 mi | 2.0L 4cyl 6A | FWD | 16.4 gal62 L | 23 / 30 | 377 / 492 mi | |
| SEL Plus 4dr SUV AWD 2.0L 4cyl 6A · AWD MPG 21 / 26Range 344 / 426 mi | 2.0L 4cyl 6A | AWD | 16.4 gal62 L | 21 / 26 | 344 / 426 mi | |
| Sport 4dr SUV 2.4L 4cyl 6A · FWD MPG 21 / 28Range 344 / 459 mi | 2.4L 4cyl 6A | FWD | 16.4 gal62 L | 21 / 28 | 344 / 459 mi | |
| Sport 4dr SUV AWD 2.4L 4cyl 6A · AWD MPG 21 / 25Range 344 / 410 mi | 2.4L 4cyl 6A | AWD | 16.4 gal62 L | 21 / 25 | 344 / 410 mi | |
| Value 4dr SUV 1.6L 4cyl Turbo 7AM · FWD MPG 25 / 30Range 410 / 492 mi | 1.6L 4cyl Turbo 7AM | FWD | 16.4 gal62 L | 25 / 30 | 410 / 492 mi | |
| Value 4dr SUV AWD 1.6L 4cyl Turbo 7AM · AWD MPG 24 / 28Range 394 / 459 mi | 1.6L 4cyl Turbo 7AM | AWD | 16.4 gal62 L | 24 / 28 | 394 / 459 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 2018 Hyundai Tucson 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 26 MPG, a full 16.4-gallon tank covers about 426 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 16.4 | 492 | 377 |
| 3/4 | 12.3 | 369 | 283 |
| 1/2 | 8.2 | 246 | 189 |
| 1/4 | 4.1 | 123 | 94 |
| 1/8 | 2.1 | 61 | 47 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 577 gallons, roughly 35 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
- 22–27 MPG
- Tailpipe CO2
- 334–396 g/mi
- EPA greenhouse score
- 4–6 of 10
- Source
- EPA ratings
What it costs to fill up a 2018 Hyundai Tucson
$70.03 to fill the 16.4-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 |
|---|---|---|---|---|
| 16.4 gal | Regular | $4.27 | $70.03 | $52.52 |
By region, 16.4-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $65.93 |
| Midwest | $4.27 | $70.03 |
| Gulf CoastLowest | $3.70 | $60.68 |
| Rocky Mountain | $4.46 | $73.14 |
| West Coast | $5.42 | $88.89 |
| CaliforniaHighest | $5.89 | $96.60 |
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
- 16.4-gallon tank$70.03
- A year of driving (15,000 mi)$2,463
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Tucson tank size in other years
The 2018 Tucson uses the same 16.4 gal tank as every Tucson since 2016.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2023 Tucson | 13.7–14.3 gal | 521 mi |
| 2022 Tucson | 13.7–14.3 gal | 521 mi |
| 2021 Tucson | 16.4 gal | 459 mi |
| 2020 Tucson | 16.4 gal | 459 mi |
| 2019 Tucson | 16.4 gal | 492 mi |
| 2018 Tucson | 16.4 gal | 492 mi |
| 2017 Tucson | 16.4 gal | 525 mi |
| 2016 Tucson | 16.4 gal | 541 mi |
| 2015 Tucson | 15.3 gal | 444 mi |
| 2014 Tucson | 15.3 gal | 444 mi |
| 2013 Tucson | 15.3 gal | 459 mi |
2018 Hyundai Tucson vs similar 2018 SUVs
At 16.4 gallons, the Tucson's largest tank ranks third of the seven 2018 SUVs compared here. The Volkswagen Tiguan Limited carries the most (16.9 gal) and the Honda CR-V the least (14.0 gal).
| 2018 model | Tank | Longest highway range |
|---|---|---|
| Volkswagen Tiguan Limited | 16.9 gal | 439 mi |
| Mitsubishi Eclipse Cross | 15.8–16.6 gal | 481 mi |
| Hyundai Tucson | 16.4 gal | 492 mi |
| Subaru Forester | 15.9 gal | 509 mi |
| Ford Escape | 15.7 gal | 471 mi |
| Chevrolet Equinox | 14.9–15.6 gal | 593 mi |
| Honda CR-V | 14.0 gal | 476 mi |
Other 2018 SUVs of a similar size, one model per brand.
2018 Hyundai Tucson fuel system recalls
None of the 1 recall NHTSA lists for the 2018 Hyundai Tucson involve the fuel system.
2018 Hyundai Tucson fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2018 Hyundai Tucson, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2018 Hyundai Tucson?
The 2018 Hyundai Tucson holds 16.4 gallons (62 liters) on every trim we list.
How many gallons and liters does the 2018 Hyundai Tucson gas tank hold?
The 2018 Hyundai Tucson tank holds 62 liters, or 16.4 gallons in US gallons.
Does AWD change the 2018 Hyundai Tucson gas tank?
No. FWD and AWD versions of the 2018 Hyundai Tucson use the same 16.4 gal tank.
How far can a 2018 Hyundai Tucson go on a full tank?
About 410–492 miles on the highway and 344–410 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 2018 Hyundai Tucson go on a quarter tank?
About 123 highway miles or 94 in town from the 16.4-gallon tank, which has roughly 4.1 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2018 Hyundai Tucson take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2018 Hyundai Tucson?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 16.4-gallon tank from empty costs $70.03. It ranges from $60.68 in the Gulf Coast to $96.60 in California.
How much does a full tank of gas weigh in a 2018 Hyundai Tucson?
About 102 pounds for the 16.4-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2018 Hyundai Tucson have a bigger gas tank than the Mitsubishi Eclipse Cross?
No. The 2018 Mitsubishi Eclipse Cross holds up to 16.6 gallons; the 2018 Hyundai Tucson holds up to 16.4.
Has the 2018 Hyundai Tucson had a fuel pump or fuel system recall?
No. None of the 1 recall NHTSA lists for the 2018 Hyundai Tucson involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. 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 (this week's prices).
- Recalls: NHTSA recall database (Hyundai fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.