2008 Scion xB Gas Tank Size & Fuel Capacity
Fuel tank capacity
14.0gal · 53 L
The 2008 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 91% of 2008 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
2008 Scion xB fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 2 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 | |
| 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 2008 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.
In real driving: owners who log fill-ups at fueleconomy.gov average 25.9 MPG in the xB (25 drivers), about 363 miles on a full 14.0-gallon tank.
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
- 24 MPG
- Tailpipe CO2
- 370 g/mi
- Source
- EPA ratings
What it costs to fill up a 2008 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 tank changed for 2008: 14.0 gal, up from 11.9 gal on the 2006 xB.
| Model year | Tank | Longest highway range |
|---|---|---|
| 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 |
| 2009 xB | 14.0 gal | 392 mi |
| 2008 xB | 14.0 gal | 392 mi |
| 2006 xB | 11.9 gal | 369 mi |
| 2005 xB | 11.9 gal | 381 mi |
| 2004 xB | 11.9 gal | 381 mi |
2008 Scion xB vs similar 2008 wagons
At 14.0 gallons, the xB's largest tank ranks second of the four 2008 wagons compared here. The Chrysler PT Cruiser carries the most (15.0 gal) and the Pontiac Vibe the least (13.0 gal).
| 2008 model | Tank | Longest highway range |
|---|---|---|
| Chrysler PT Cruiser | 15.0 gal | 390 mi |
| Scion xB | 14.0 gal | 392 mi |
| Dodge Caliber | 13.5–13.6 gal | 394 mi |
| Pontiac Vibe | 13.0 gal | 429 mi |
Other 2008 wagons of a similar size, one model per brand.
2008 Scion xB fuel system recalls
None of the 8 recalls NHTSA lists for the 2008 Scion xB involve the fuel system.
2008 Scion xB fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2008 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 2008 Scion xB?
The 2008 Scion xB holds 14.0 gallons (53 liters) on every trim we list.
How many gallons and liters does the 2008 Scion xB gas tank hold?
The 2008 Scion xB tank holds 53 liters, or 14.0 gallons in US gallons.
How far can a 2008 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 2008 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.
How many miles does a 2008 Scion xB really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 25.9 MPG in the 2008 Scion xB (25 drivers), which works out to about 363 miles on a full 14.0-gallon tank.
What gas does the 2008 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 2008 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 2008 Scion xB?
About 87 pounds for the 14.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2008 Scion xB have a bigger gas tank than the Chrysler PT Cruiser?
No. The 2008 Chrysler PT Cruiser holds up to 15.0 gallons; the 2008 Scion xB holds up to 14.0.
Has the 2008 Scion xB had a fuel pump or fuel system recall?
No. None of the 8 recalls NHTSA lists for the 2008 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 (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 (fuel system recalls).
- Real-world MPG: driver-reported fill-ups shared at fueleconomy.gov (My MPG).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.