2008 Jeep Wrangler Gas Tank Size and Capacity
Fuel tank capacity
18.6–21.6gal · 70–82 L
The 2008 Jeep Wrangler has a fuel tank capacity of 18.6 to 21.6 gallons (70–82 liters), depending on the trim. The most common size is 21.6 gallons, used on 5 trims.
A full tank is good for roughly 353–454 highway miles or 279–346 miles around town, going by the EPA ratings.
21.6 gal · Bigger than 69% 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 Jeep Wrangler fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
All 8 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Rubicon 2dr SUV 4WD 3.8L 6cyl 6M · 4WD MPG 15 / 19Range 279 / 353 mi | 3.8L 6cyl 6M | 4WD | 18.6 gal70 L | 15 / 19 | 279 / 353 mi | |
| Sahara 2dr SUV 4WD 3.8L 6cyl 6M · 4WD MPG 15 / 19Range 279 / 353 mi | 3.8L 6cyl 6M | 4WD | 18.6 gal70 L | 15 / 19 | 279 / 353 mi | |
| X 2dr SUV 4WD 3.8L 6cyl 6M · 4WD MPG 15 / 19Range 279 / 353 mi | 3.8L 6cyl 6M | 4WD | 18.6 gal70 L | 15 / 19 | 279 / 353 mi | |
| Unlimited Rubicon 4dr SUV 4WD 3.8L 6cyl 6M · 4WD MPG 15 / 19Range 324 / 410 mi | 3.8L 6cyl 6M | 4WD | 21.6 gal82 L | 15 / 19 | 324 / 410 mi | |
| Unlimited Sahara 4dr SUV 3.8L 6cyl 6M · RWD MPG 16 / 21Range 346 / 454 mi | 3.8L 6cyl 6M | RWD | 21.6 gal82 L | 16 / 21 | 346 / 454 mi | |
| Unlimited Sahara 4dr SUV 4WD 3.8L 6cyl 6M · 4WD MPG 15 / 19Range 324 / 410 mi | 3.8L 6cyl 6M | 4WD | 21.6 gal82 L | 15 / 19 | 324 / 410 mi | |
| Unlimited X 4dr SUV 3.8L 6cyl 6M · RWD MPG 16 / 21Range 346 / 454 mi | 3.8L 6cyl 6M | RWD | 21.6 gal82 L | 16 / 21 | 346 / 454 mi | |
| Unlimited X 4dr SUV 4WD 3.8L 6cyl 6M · 4WD MPG 15 / 19Range 324 / 410 mi | 3.8L 6cyl 6M | 4WD | 21.6 gal82 L | 15 / 19 | 324 / 410 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 Jeep Wrangler 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 16 MPG, a full 21.6-gallon tank covers about 346 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 21.6 | 410 | 324 |
| 3/4 | 16.2 | 308 | 243 |
| 1/2 | 10.8 | 205 | 162 |
| 1/4 | 5.4 | 103 | 81 |
| 1/8 | 2.7 | 51 | 41 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 43 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 18.6 MPG in the Wrangler (12 drivers), about 402 miles on a full 21.6-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
- 16–18 MPG
- Tailpipe CO2
- 494–555 g/mi
- Source
- EPA ratings ↗
What it costs to fill up a 2008 Jeep Wrangler
$92.23 to fill the 21.6-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 |
|---|---|---|---|---|
| 18.6 gal | Regular | $4.27 | $79.42 | $59.57 |
| 21.6 gal | Regular | $4.27 | $92.23 | $69.17 |
By region, 21.6-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $86.83 |
| Midwest | $4.27 | $92.23 |
| Gulf CoastLowest | $3.70 | $79.92 |
| Rocky Mountain | $4.46 | $96.34 |
| West Coast | $5.42 | $117.07 |
| CaliforniaHighest | $5.89 | $127.22 |
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
- 18.6-gallon tank$79.42
- 21.6-gallon tank$92.23
- A year of driving (15,000 mi)$4,003
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Wrangler tank size in other years
The 2008 Wrangler uses the same 18.6–21.6 gal tank sizes as the 2007 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2013 Wrangler | 18.6–22.5 gal | 473 mi |
| 2012 Wrangler | 18.6–22.5 gal | 473 mi |
| 2011 Wrangler | 18.6–22.5 gal | 428 mi |
| 2010 Wrangler | 18.6–22.5 gal | 432 mi |
| 2009 Wrangler | 18.6–21.6 gal | 410 mi |
| 2008 Wrangler | 18.6–21.6 gal | 454 mi |
| 2007 Wrangler | 18.6–21.6 gal | 454 mi |
| 2006 Wrangler | 19.0 gal | 361 mi |
| 2005 Wrangler | 19.0 gal | 361 mi |
| 2004 Wrangler | 19.0 gal | 361 mi |
| 2003 Wrangler | 19.0 gal | 342 mi |
- 2027
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2008 Jeep Wrangler vs similar 2008 SUVs
The Wrangler has the largest tank of the seven 2008 SUVs compared here, 21.6 gallons against 21.4 for the Mitsubishi Endeavor.
| 2008 model | Tank | Longest highway range |
|---|---|---|
| Jeep Wrangler | 18.6–21.6 gal | 454 mi |
| Mitsubishi Endeavor | 21.4 gal | 471 mi |
| Kia Sorento | 21.1 gal | 464 mi |
| Hyundai Santa Fe | 19.8 gal | 475 mi |
| Dodge Nitro | 19.5 gal | 429 mi |
| Toyota Highlander | 19.2 gal | 461 mi |
| Mazda CX-7 | 18.2 gal | 419 mi |
Picked by body style and size: other 2008 SUVs within about 5% of the Wrangler's length and 15% of its curb weight, one model per brand.
2008 Jeep Wrangler fuel system recalls
None of the 7 recalls NHTSA lists for the 2008 Jeep Wrangler involve the fuel system.
2008 Jeep Wrangler fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2008 Jeep Wrangler, 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 Jeep Wrangler?
The 2008 Jeep Wrangler holds between 18.6 and 21.6 gallons, depending on the trim. 21.6 gallons is the usual size; the smaller 18.6-gallon tank is on the Rubicon 2dr SUV 4WD.
How many gallons and liters does the 2008 Jeep Wrangler gas tank hold?
The 2008 Jeep Wrangler tank holds 70–82 liters, or 18.6–21.6 gallons in US gallons.
Which 2008 Jeep Wrangler has the biggest gas tank?
The 21.6-gallon tank is on the Unlimited Rubicon 4dr SUV 4WD, Unlimited Sahara 4dr SUV, Unlimited Sahara 4dr SUV 4WD and 2 other trims. The smallest tank, 18.6 gallons, is on the Rubicon 2dr SUV 4WD.
Does 4WD change the 2008 Jeep Wrangler gas tank?
Yes. 4WD: 18.6–21.6 gal; RWD: 21.6 gal.
How far can a 2008 Jeep Wrangler go on a full tank?
About 353–454 miles on the highway and 279–346 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 Jeep Wrangler go on a quarter tank?
About 103 highway miles or 81 in town from the 21.6-gallon tank, which has roughly 5.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 2008 Jeep Wrangler really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 18.6 MPG in the 2008 Jeep Wrangler (12 drivers), which works out to about 402 miles on a full 21.6-gallon tank.
What gas does the 2008 Jeep Wrangler take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2008 Jeep Wrangler?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 21.6-gallon tank from empty costs $92.23. It ranges from $79.92 in the Gulf Coast to $127.22 in California.
How much does a full tank of gas weigh in a 2008 Jeep Wrangler?
About 134 pounds for the 21.6-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2008 Jeep Wrangler have a bigger gas tank than the Kia Sorento?
Yes. The 2008 Jeep Wrangler holds up to 21.6 gallons; the 2008 Kia Sorento holds up to 21.1.
Has the 2008 Jeep Wrangler had a fuel pump or fuel system recall?
No. None of the 7 recalls NHTSA lists for the 2008 Jeep Wrangler 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.
- 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.