2021 Hyundai Santa Fe Hybrid Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.7gal · 67 L
The 2021 Hyundai Santa Fe Hybrid has a fuel tank capacity of 17.7 gallons (67 liters) on every trim.
A full tank is good for roughly 531–549 highway miles or 584–637 miles around town, going by the EPA ratings.
17.7 gal · Smaller than 52% of 2021 models we list.
Listed separately: 2021 Hyundai Santa Fe (18.8 gal).
- By trim
- Gas cap & parts
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- Fill-up cost
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- FAQ
2021 Hyundai Santa Fe Hybrid fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Blue 4dr SUV AWD 1.6L 4cyl Turbo 6A · AWD Hybrid MPG 36 / 31Range 637 / 549 mi | 1.6L 4cyl Turbo 6A Hybrid | AWD | 17.7 gal67 L | 36 / 31 | 637 / 549 mi | |
| Limited 4dr SUV AWD 1.6L 4cyl Turbo 6A · AWD Hybrid MPG 33 / 30Range 584 / 531 mi | 1.6L 4cyl Turbo 6A Hybrid | AWD | 17.7 gal67 L | 33 / 30 | 584 / 531 mi | |
| SEL Premium 4dr SUV AWD 1.6L 4cyl Turbo 6A · AWD Hybrid MPG 33 / 30Range 584 / 531 mi | 1.6L 4cyl Turbo 6A Hybrid | AWD | 17.7 gal67 L | 33 / 30 | 584 / 531 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 2021 Hyundai Santa Fe 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 32 MPG, a full 17.7-gallon tank covers about 566 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.7 | 531 | 584 |
| 3/4 | 13.3 | 398 | 438 |
| 1/2 | 8.9 | 266 | 292 |
| 1/4 | 4.4 | 133 | 146 |
| 1/8 | 2.2 | 66 | 73 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 469 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
- 32–34 MPG
- Tailpipe CO2
- 264–283 g/mi
- EPA greenhouse score
- 7 of 10
- Source
- EPA ratings
What it costs to fill up a 2021 Hyundai Santa Fe Hybrid
$75.58 to fill the 17.7-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 |
|---|---|---|---|---|
| 17.7 gal | Regular | $4.27 | $75.58 | $56.68 |
By region, 17.7-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $71.15 |
| Midwest | $4.27 | $75.58 |
| Gulf CoastLowest | $3.70 | $65.49 |
| Rocky Mountain | $4.46 | $78.94 |
| West Coast | $5.42 | $95.93 |
| CaliforniaHighest | $5.89 | $104.25 |
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
- 17.7-gallon tank$75.58
- A year of driving (15,000 mi)$2,002
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Santa Fe Hybrid tank size in other years
2021 is the first Santa Fe Hybrid model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2023 Santa Fe Hybrid | 17.7 gal | 549 mi |
| 2022 Santa Fe Hybrid | 17.7 gal | 549 mi |
| 2021 Santa Fe Hybrid | 17.7 gal | 549 mi |
2021 Hyundai Santa Fe Hybrid vs similar 2021 SUVs
At 17.7 gallons, the Santa Fe Hybrid's largest tank ranks fifth of the seven 2021 SUVs compared here. The Chevrolet Blazer carries the most (21.7 gal) and the Mitsubishi Outlander PHEV the least (11.3 gal).
| 2021 model | Tank | Longest highway range |
|---|---|---|
| Chevrolet Blazer | 19.4–21.7 gal | 586 mi |
| Jeep Wrangler | 17.5–21.5 gal | 516 mi |
| Honda Passport | 19.5 gal | 488 mi |
| Ford Edge | 18.5 gal | 537 mi |
| Hyundai Santa Fe Hybrid | 17.7 gal | 549 mi |
| Kia Sorento | 17.7 gal | 513 mi |
| Mitsubishi Outlander PHEV | 11.3 gal | 294 mi |
Other 2021 SUVs of a similar size, one model per brand.
2021 Hyundai Santa Fe Hybrid fuel system recalls
None of the 3 recalls NHTSA lists for the 2021 Hyundai Santa Fe Hybrid involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2021 Hyundai Santa Fe Hybrid?
The 2021 Hyundai Santa Fe Hybrid holds 17.7 gallons (67 liters) on every trim we list.
How many gallons and liters does the 2021 Hyundai Santa Fe Hybrid gas tank hold?
The 2021 Hyundai Santa Fe Hybrid tank holds 67 liters, or 17.7 gallons in US gallons.
How far can a 2021 Hyundai Santa Fe Hybrid go on a full tank?
About 531–549 miles on the highway and 584–637 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 2021 Hyundai Santa Fe Hybrid go on a quarter tank?
About 133 highway miles or 146 in town from the 17.7-gallon tank, which has roughly 4.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2021 Hyundai Santa Fe Hybrid take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2021 Hyundai Santa Fe Hybrid?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 17.7-gallon tank from empty costs $75.58. It ranges from $65.49 in the Gulf Coast to $104.25 in California.
How much does a full tank of gas weigh in a 2021 Hyundai Santa Fe Hybrid?
About 110 pounds for the 17.7-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2021 Hyundai Santa Fe Hybrid have a bigger gas tank than the Ford Edge?
No. The 2021 Ford Edge holds up to 18.5 gallons; the 2021 Hyundai Santa Fe Hybrid holds up to 17.7.
Has the 2021 Hyundai Santa Fe Hybrid had a fuel pump or fuel system recall?
No. None of the 3 recalls NHTSA lists for the 2021 Hyundai Santa Fe Hybrid 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.