2018 Kia Sorento Gas Tank Size and Capacity
Fuel tank capacity
18.8gal · 71 L
The 2018 Kia Sorento has a fuel tank capacity of 18.8 gallons (71 liters) on every trim.
A full tank is good for roughly 432–526 highway miles or 320–395 miles around town, going by the EPA ratings.
18.8 gal · Bigger than 60% 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 Kia Sorento fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 13 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| EX 4dr SUV 2.0L 4cyl Turbo 6A · FWD MPG 20 / 27Range 376 / 508 mi | 2.0L 4cyl Turbo 6A | FWD | 18.8 gal71 L | 20 / 27 | 376 / 508 mi | |
| EX 4dr SUV 3.3L 6cyl 6A · FWD MPG 18 / 25Range 338 / 470 mi | 3.3L 6cyl 6A | FWD | 18.8 gal71 L | 18 / 25 | 338 / 470 mi | |
| EX 4dr SUV AWD 2.0L 4cyl Turbo 6A · AWD MPG 19 / 25Range 357 / 470 mi | 2.0L 4cyl Turbo 6A | AWD | 18.8 gal71 L | 19 / 25 | 357 / 470 mi | |
| EX 4dr SUV AWD 3.3L 6cyl 6A · AWD MPG 18 / 25Range 338 / 470 mi | 3.3L 6cyl 6A | AWD | 18.8 gal71 L | 18 / 25 | 338 / 470 mi | |
| L 4dr SUV 2.4L 4cyl 6A · FWD MPG 21 / 28Range 395 / 526 mi | 2.4L 4cyl 6A | FWD | 18.8 gal71 L | 21 / 28 | 395 / 526 mi | |
| LX 4dr SUV 2.4L 4cyl 6A · FWD MPG 21 / 28Range 395 / 526 mi | 2.4L 4cyl 6A | FWD | 18.8 gal71 L | 21 / 28 | 395 / 526 mi | |
| LX 4dr SUV 3.3L 6cyl 6A · FWD MPG 18 / 25Range 338 / 470 mi | 3.3L 6cyl 6A | FWD | 18.8 gal71 L | 18 / 25 | 338 / 470 mi | |
| LX 4dr SUV AWD 2.4L 4cyl 6A · AWD MPG 21 / 25Range 395 / 470 mi | 2.4L 4cyl 6A | AWD | 18.8 gal71 L | 21 / 25 | 395 / 470 mi | |
| LX 4dr SUV AWD 3.3L 6cyl 6A · AWD MPG 18 / 25Range 338 / 470 mi | 3.3L 6cyl 6A | AWD | 18.8 gal71 L | 18 / 25 | 338 / 470 mi | |
| SX 4dr SUV 3.3L 6cyl 6A · FWD MPG 18 / 25Range 338 / 470 mi | 3.3L 6cyl 6A | FWD | 18.8 gal71 L | 18 / 25 | 338 / 470 mi | |
| SX 4dr SUV AWD 3.3L 6cyl 6A · AWD MPG 17 / 23Range 320 / 432 mi | 3.3L 6cyl 6A | AWD | 18.8 gal71 L | 17 / 23 | 320 / 432 mi | |
| SX Limited 4dr SUV 3.3L 6cyl 6A · FWD MPG 18 / 25Range 338 / 470 mi | 3.3L 6cyl 6A | FWD | 18.8 gal71 L | 18 / 25 | 338 / 470 mi | |
| SX Limited 4dr SUV AWD 3.3L 6cyl 6A · AWD MPG 17 / 23Range 320 / 432 mi | 3.3L 6cyl 6A | AWD | 18.8 gal71 L | 17 / 23 | 320 / 432 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 Kia Sorento 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 20 MPG, a full 18.8-gallon tank covers about 376 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.8 | 470 | 338 |
| 3/4 | 14.1 | 353 | 254 |
| 1/2 | 9.4 | 235 | 169 |
| 1/4 | 4.7 | 118 | 85 |
| 1/8 | 2.4 | 59 | 42 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 750 gallons, roughly 40 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
- 19–24 MPG
- Tailpipe CO2
- 377–465 g/mi
- EPA greenhouse score
- 3–5 of 10
- Source
- EPA ratings ↗
What it costs to fill up a 2018 Kia Sorento
$80.28 to fill the 18.8-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 |
|---|---|---|---|---|
| 18.8 gal | Regular | $4.27 | $80.28 | $60.21 |
By region, 18.8-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $75.58 |
| Midwest | $4.27 | $80.28 |
| Gulf CoastLowest | $3.70 | $69.56 |
| Rocky Mountain | $4.46 | $83.85 |
| West Coast | $5.42 | $101.90 |
| CaliforniaHighest | $5.89 | $110.73 |
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
- 18.8-gallon tank$80.28
- A year of driving (15,000 mi)$3,202
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Sorento tank size in other years
The 2018 Sorento uses the same 18.8 gal tank as every Sorento since 2016.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2023 Sorento | 17.7 gal | 513 mi |
| 2022 Sorento | 17.7 gal | 513 mi |
| 2021 Sorento | 17.7 gal | 513 mi |
| 2020 Sorento | 18.8 gal | 545 mi |
| 2019 Sorento | 18.8 gal | 545 mi |
| 2018 Sorento | 18.8 gal | 526 mi |
| 2017 Sorento | 18.8 gal | 526 mi |
| 2016 Sorento | 18.8 gal | 545 mi |
| 2015 Sorento | 17.4 gal | 470 mi |
| 2014 Sorento | 17.4 gal | 452 mi |
| 2013 Sorento | 18.0 gal | 540 mi |
2018 Kia Sorento vs similar 2018 SUVs
At 18.8 gallons, the Sorento's largest tank ranks third of the seven 2018 SUVs compared here. The Jeep Wrangler carries the most (22.5 gal) and the Mitsubishi Outlander PHEV the least (11.3 gal).
| 2018 model | Tank | Longest highway range |
|---|---|---|
| Jeep Wrangler | 18.5–22.5 gal | 518 mi |
| Dodge Journey | 20.5–21.1 gal | 513 mi |
| Kia Sorento | 18.8 gal | 526 mi |
| Buick Envision | 17.3 gal | 502 mi |
| Volkswagen Tiguan | 15.3–15.9 gal | 429 mi |
| Toyota RAV4 Hybrid | 14.8 gal | 444 mi |
| Mitsubishi Outlander PHEV | 11.3 gal | 294 mi |
Picked by body style and size: other 2018 SUVs within about 5% of the Sorento's length and 15% of its curb weight, one model per brand.
2018 Kia Sorento fuel system recalls
None of the 3 recalls NHTSA lists for the 2018 Kia Sorento involve the fuel system.
2018 Kia Sorento fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2018 Kia Sorento, 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 Kia Sorento?
The 2018 Kia Sorento holds 18.8 gallons (71 liters) on every trim we list.
How many gallons and liters does the 2018 Kia Sorento gas tank hold?
The 2018 Kia Sorento tank holds 71 liters, or 18.8 gallons in US gallons.
Does AWD change the 2018 Kia Sorento gas tank?
No. FWD and AWD versions of the 2018 Kia Sorento use the same 18.8 gal tank.
How far can a 2018 Kia Sorento go on a full tank?
About 432–526 miles on the highway and 320–395 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 Kia Sorento go on a quarter tank?
About 118 highway miles or 85 in town from the 18.8-gallon tank, which has roughly 4.7 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2018 Kia Sorento take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2018 Kia Sorento?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 18.8-gallon tank from empty costs $80.28. It ranges from $69.56 in the Gulf Coast to $110.73 in California.
How much does a full tank of gas weigh in a 2018 Kia Sorento?
About 117 pounds for the 18.8-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2018 Kia Sorento have a bigger gas tank than the Toyota RAV4 Hybrid?
Yes. The 2018 Kia Sorento holds up to 18.8 gallons; the 2018 Toyota RAV4 Hybrid holds up to 14.8.
Has the 2018 Kia Sorento had a fuel pump or fuel system recall?
No. None of the 3 recalls NHTSA lists for the 2018 Kia Sorento 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.