2020 Kia Niro Gas Tank Size & Fuel Capacity
Fuel tank capacity
11.9gal · 45 L
The 2020 Kia Niro has a fuel tank capacity of 11.9 gallons (45 liters) on every trim.
A full tank is good for roughly 476–583 highway miles or 547–619 miles around town, going by the EPA ratings.
11.9 gal · Smaller than 94% of 2020 models we list.
Listed separately: 2020 Kia Niro Plug-In Hybrid (11.4 gal).
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Fuel recalls
- Pump & gauge parts
- FAQ
2020 Kia Niro fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| EX Premium 4dr SUV 1.6L 4cyl 6AM · FWD Hybrid MPG 51 / 46Range 607 / 547 mi | 1.6L 4cyl 6AM Hybrid | FWD | 11.9 gal45 L | 51 / 46 | 607 / 547 mi | |
| LX 4dr SUV 1.6L 4cyl 6AM · FWD Hybrid MPG 52 / 49Range 619 / 583 mi | 1.6L 4cyl 6AM Hybrid | FWD | 11.9 gal45 L | 52 / 49 | 619 / 583 mi | |
| LXS 4dr SUV 1.6L 4cyl 6AM · FWD Hybrid MPG 51 / 46Range 607 / 547 mi | 1.6L 4cyl 6AM Hybrid | FWD | 11.9 gal45 L | 51 / 46 | 607 / 547 mi | |
| Touring 4dr SUV 1.6L 4cyl 6AM · FWD Hybrid MPG 46 / 40Range 547 / 476 mi | 1.6L 4cyl 6AM Hybrid | FWD | 11.9 gal45 L | 46 / 40 | 547 / 476 mi | |
| Touring SE 4dr SUV 1.6L 4cyl 6AM · FWD Hybrid MPG 46 / 40Range 547 / 476 mi | 1.6L 4cyl 6AM Hybrid | FWD | 11.9 gal45 L | 46 / 40 | 547 / 476 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 2020 Kia Niro 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 49 MPG, a full 11.9-gallon tank covers about 583 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 11.9 | 547 | 607 |
| 3/4 | 8.9 | 411 | 455 |
| 1/2 | 6.0 | 274 | 303 |
| 1/4 | 3.0 | 137 | 152 |
| 1/8 | 1.5 | 68 | 76 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 306 gallons, roughly 26 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
- 43–50 MPG
- Tailpipe CO2
- 177–207 g/mi
- EPA greenhouse score
- 9–10 of 10
- Source
- EPA ratings
What it costs to fill up a 2020 Kia Niro
$50.81 to fill the 11.9-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 |
|---|---|---|---|---|
| 11.9 gal | Regular | $4.27 | $50.81 | $38.11 |
By region, 11.9-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $47.84 |
| Midwest | $4.27 | $50.81 |
| Gulf CoastLowest | $3.70 | $44.03 |
| Rocky Mountain | $4.46 | $53.07 |
| West Coast | $5.42 | $64.50 |
| CaliforniaHighest | $5.89 | $70.09 |
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
- 11.9-gallon tank$50.81
- A year of driving (15,000 mi)$1,307
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Niro tank size in other years
The 2020 Niro uses the same 11.9 gal tank as every Niro since 2017.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2025 Niro | 11.1 gal | 599 mi |
| 2024 Niro | 11.1 gal | 599 mi |
| 2023 Niro | 11.1 gal | 599 mi |
| 2022 Niro | 11.9 gal | 571 mi |
| 2021 Niro | 11.9 gal | 571 mi |
| 2020 Niro | 11.9 gal | 583 mi |
| 2019 Niro | 11.9 gal | 583 mi |
| 2018 Niro | 11.9 gal | 583 mi |
| 2017 Niro | 11.9 gal | 583 mi |
2020 Kia Niro fuel system recalls
None of the 1 recall NHTSA lists for the 2020 Kia Niro involve the fuel system.
2020 Kia Niro fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2020 Kia Niro, 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 2020 Kia Niro?
The 2020 Kia Niro holds 11.9 gallons (45 liters) on every trim we list.
How many gallons and liters does the 2020 Kia Niro gas tank hold?
The 2020 Kia Niro tank holds 45 liters, or 11.9 gallons in US gallons.
How far can a 2020 Kia Niro go on a full tank?
About 476–583 miles on the highway and 547–619 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 2020 Kia Niro go on a quarter tank?
About 137 highway miles or 152 in town from the 11.9-gallon tank, which has roughly 3.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2020 Kia Niro take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2020 Kia Niro?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 11.9-gallon tank from empty costs $50.81. It ranges from $44.03 in the Gulf Coast to $70.09 in California.
How much does a full tank of gas weigh in a 2020 Kia Niro?
About 74 pounds for the 11.9-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Has the 2020 Kia Niro had a fuel pump or fuel system recall?
No. None of the 1 recall NHTSA lists for the 2020 Kia Niro 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 (Kia 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.