2015 Scion xB Gas Tank Size & Fuel Capacity
Fuel tank capacity
14.0gal · 53 L
The 2015 Scion xB has a fuel tank capacity of 14.0 gallons (53 liters) on every trim.
A full tank is good for roughly 392 highway miles or 308 miles around town, going by the EPA ratings.
14.0 gal · Smaller than 86% of 2015 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
2015 Scion xB fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 3 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr Wagon 2.4L 4cyl 4A · FWD MPG 22 / 28Range 308 / 392 mi | 2.4L 4cyl 4A | FWD | 14.0 gal53 L | 22 / 28 | 308 / 392 mi | |
| 4dr Wagon 2.4L 4cyl 5M · FWD MPG 22 / 28Range 308 / 392 mi | 2.4L 4cyl 5M | FWD | 14.0 gal53 L | 22 / 28 | 308 / 392 mi | |
| 686 Parklan Edition 4dr Wagon 2.4L 4cyl 4A · FWD MPG 22 / 28Range 308 / 392 mi | 2.4L 4cyl 4A | FWD | 14.0 gal53 L | 22 / 28 | 308 / 392 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 2015 Scion xB 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 24 MPG, a full 14.0-gallon tank covers about 336 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 14.0 | 392 | 308 |
| 3/4 | 10.5 | 294 | 231 |
| 1/2 | 7.0 | 196 | 154 |
| 1/4 | 3.5 | 98 | 77 |
| 1/8 | 1.8 | 49 | 39 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 625 gallons, roughly 45 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.
What it costs to fill up a 2015 Scion xB
$59.78 to fill the 14.0-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 |
|---|---|---|---|---|
| 14.0 gal | Regular | $4.27 | $59.78 | $44.83 |
By region, 14.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $56.28 |
| Midwest | $4.27 | $59.78 |
| Gulf CoastLowest | $3.70 | $51.80 |
| Rocky Mountain | $4.46 | $62.44 |
| West Coast | $5.42 | $75.88 |
| CaliforniaHighest | $5.89 | $82.46 |
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
- 14.0-gallon tank$59.78
- A year of driving (15,000 mi)$2,669
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
xB tank size in other years
The 2015 xB uses the same 14.0 gal tank as every xB since 2008.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2015 xB | 14.0 gal | 392 mi |
| 2014 xB | 14.0 gal | 392 mi |
| 2013 xB | 14.0 gal | 392 mi |
| 2012 xB | 14.0 gal | 392 mi |
| 2011 xB | 14.0 gal | 392 mi |
| 2010 xB | 14.0 gal | 392 mi |
2015 Scion xB vs similar 2015 wagons
At 14.0 gallons, the xB's largest tank ranks second of the four 2015 wagons compared here. The Kia Soul carries the most (14.2 gal) and the MINI Cooper Countryman the least (12.4 gal).
| 2015 model | Tank | Longest highway range |
|---|---|---|
| Kia Soul | 14.2 gal | 440 mi |
| Scion xB | 14.0 gal | 392 mi |
| FIAT 500L | 13.2 gal | 436 mi |
| MINI Cooper Countryman | 12.4 gal | 422 mi |
Other 2015 wagons of a similar size, one model per brand.
2015 Scion xB fuel system recalls
None of the 2 recalls NHTSA lists for the 2015 Scion xB involve the fuel system.
2015 Scion xB fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2015 Scion xB, 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 2015 Scion xB?
The 2015 Scion xB holds 14.0 gallons (53 liters) on every trim we list.
How many gallons and liters does the 2015 Scion xB gas tank hold?
The 2015 Scion xB tank holds 53 liters, or 14.0 gallons in US gallons.
How far can a 2015 Scion xB go on a full tank?
About 392 miles on the highway and 308 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 2015 Scion xB go on a quarter tank?
About 98 highway miles or 77 in town from the 14.0-gallon tank, which has roughly 3.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2015 Scion xB take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2015 Scion xB?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 14.0-gallon tank from empty costs $59.78. It ranges from $51.80 in the Gulf Coast to $82.46 in California.
How much does a full tank of gas weigh in a 2015 Scion xB?
About 87 pounds for the 14.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2015 Scion xB have a bigger gas tank than the FIAT 500L?
Yes. The 2015 Scion xB holds up to 14.0 gallons; the 2015 FIAT 500L holds up to 13.2.
Has the 2015 Scion xB had a fuel pump or fuel system recall?
No. None of the 2 recalls NHTSA lists for the 2015 Scion xB 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. 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 (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.