2008 Jeep Grand Cherokee Gas Tank Size & Fuel Capacity
Fuel tank capacity
21.1gal · 80 L
The 2008 Jeep Grand Cherokee has a fuel tank capacity of 21.1 gallons (80 liters) on every trim.
A full tank is good for roughly 295–422 highway miles or 232–317 miles around town, going by the EPA ratings.
21.1 gal · Bigger than 63% 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 Grand Cherokee fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Powertrain
- no difference
- Drive
- no difference
- Engine
- no difference
All 7 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| Laredo 4dr SUV 3.7L 6cyl 5A · RWD · Regular MPG 15 / 20Range 317 / 422 mi | 3.7L 6cyl 5A | RWD | 21.1 gal80 L | Regular | 15 / 20 | 317 / 422 mi |
| Laredo 4dr SUV 4WD 3.7L 6cyl 5A · 4WD · Regular MPG 15 / 19Range 317 / 401 mi | 3.7L 6cyl 5A | 4WD | 21.1 gal80 L | Regular | 15 / 19 | 317 / 401 mi |
| Limited 4dr SUV 4.7L 8cyl 5A · RWD · Flex-fuel (gas or E85) MPG 14 / 19Range 295 / 401 mi | 4.7L 8cyl 5A Flex-fuel | RWD | 21.1 gal80 L | Flex-fuelgas or E85 | 14 / 19 | 295 / 401 mi |
| Limited 4dr SUV 4WD 4.7L 8cyl 5A · 4WD · Flex-fuel (gas or E85) MPG 14 / 19Range 295 / 401 mi | 4.7L 8cyl 5A Flex-fuel | 4WD | 21.1 gal80 L | Flex-fuelgas or E85 | 14 / 19 | 295 / 401 mi |
| Overland 4dr SUV 5.7L 8cyl 5A · RWD · Regular MPG 13 / 19Range 274 / 401 mi | 5.7L 8cyl 5A | RWD | 21.1 gal80 L | Regular | 13 / 19 | 274 / 401 mi |
| Overland 4dr SUV 4WD 5.7L 8cyl 5A · 4WD · Regular MPG 13 / 18Range 274 / 380 mi | 5.7L 8cyl 5A | 4WD | 21.1 gal80 L | Regular | 13 / 18 | 274 / 380 mi |
| SRT-8 4dr SUV 4WD 6.1L 8cyl 5A · 4WD · Premium (recommended) MPG 11 / 14Range 232 / 295 mi | 6.1L 8cyl 5A | 4WD | 21.1 gal80 L | Premiumrecommended | 11 / 14 | 232 / 295 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 Grand Cherokee 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 15 MPG, a full 21.1-gallon tank covers about 317 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 21.1 | 401 | 295 |
| 3/4 | 15.8 | 301 | 222 |
| 1/2 | 10.6 | 200 | 148 |
| 1/4 | 5.3 | 100 | 74 |
| 1/8 | 2.6 | 50 | 37 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 1,000 gallons, roughly 47 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 17 MPG in the Grand Cherokee (6 drivers), about 359 miles on a full 21.1-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
- 12–17 MPG
- Tailpipe CO2
- 523–741 g/mi
- Source
- EPA ratings
What it costs to fill up a 2008 Jeep Grand Cherokee
$90.10 to fill the 21.1-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 |
|---|---|---|---|---|
| 21.1 gal | Regular | $4.27 | $90.10 | $67.57 |
| 21.1 gal | Premium | $5.28 | $111.41 | $83.56 |
| 21.1 gal | E85 (flex-fuel trims) | $3.31 | $69.84 | $52.38 |
By region, 21.1-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $84.82 |
| Midwest | $4.27 | $90.10 |
| Gulf CoastLowest | $3.70 | $78.07 |
| Rocky Mountain | $4.46 | $94.11 |
| West Coast | $5.42 | $114.36 |
| CaliforniaHighest | $5.89 | $124.28 |
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
- 21.1-gallon tank$90.10
- A year of driving (15,000 mi)$4,270
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Grand Cherokee tank size in other years
The 2008 Grand Cherokee uses the same 21.1 gal tank as the 2007 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2013 Grand Cherokee | 24.6 gal | 566 mi |
| 2012 Grand Cherokee | 24.6 gal | 566 mi |
| 2011 Grand Cherokee | 24.6 gal | 566 mi |
| 2010 Grand Cherokee | 20.5–21.1 gal | 443 mi |
| 2009 Grand Cherokee | 21.1 gal | 443 mi |
| 2008 Grand Cherokee | 21.1 gal | 422 mi |
| 2007 Grand Cherokee | 21.1 gal | 422 mi |
| 2006 Grand Cherokee | 20.8 gal | 437 mi |
| 2005 Grand Cherokee | 20.8 gal | 437 mi |
| 2004 Grand Cherokee | 20.5 gal | 390 mi |
| 2003 Grand Cherokee | 20.5 gal | 390 mi |
- 2027
- 2026
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
2008 Jeep Grand Cherokee vs similar 2008 SUVs
At 21.1 gallons, the Grand Cherokee's largest tank ranks fourth of the seven 2008 SUVs compared here. The GMC Envoy carries the most (22.0 gal) and the Toyota Highlander Hybrid the least (17.2 gal).
| 2008 model | Tank | Longest highway range |
|---|---|---|
| GMC Envoy | 22.0 gal | 440 mi |
| Chevrolet Trailblazer | 22.0 gal | 440 mi |
| Isuzu Ascender | 21.7 gal | 434 mi |
| Jeep Grand Cherokee | 21.1 gal | 422 mi |
| Hyundai Veracruz | 20.6 gal | 474 mi |
| Honda Pilot | 20.4 gal | 449 mi |
| Toyota Highlander Hybrid | 17.2 gal | 430 mi |
Other 2008 SUVs of a similar size, one model per brand.
2008 Jeep Grand Cherokee fuel system recalls
None of the 4 recalls NHTSA lists for the 2008 Jeep Grand Cherokee involve the fuel system.
2008 Jeep Grand Cherokee fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2008 Jeep Grand Cherokee, 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 Grand Cherokee?
The 2008 Jeep Grand Cherokee holds 21.1 gallons (80 liters) on every trim we list.
How many gallons and liters does the 2008 Jeep Grand Cherokee gas tank hold?
The 2008 Jeep Grand Cherokee tank holds 80 liters, or 21.1 gallons in US gallons.
Does the 2008 Jeep Grand Cherokee tank change with the powertrain?
No. Gas and Flex-fuel (E85) versions of the 2008 Jeep Grand Cherokee use the same 21.1 gal tank.
Does 4WD change the 2008 Jeep Grand Cherokee gas tank?
No. 4WD and RWD versions of the 2008 Jeep Grand Cherokee use the same 21.1 gal tank.
How far can a 2008 Jeep Grand Cherokee go on a full tank?
About 295–422 miles on the highway and 232–317 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 Grand Cherokee go on a quarter tank?
About 100 highway miles or 74 in town from the 21.1-gallon tank, which has roughly 5.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 2008 Jeep Grand Cherokee really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 17 MPG in the 2008 Jeep Grand Cherokee (6 drivers), which works out to about 359 miles on a full 21.1-gallon tank.
What gas does the 2008 Jeep Grand Cherokee take?
Regular unleaded, or Flex-fuel (unleaded/E85), or Premium unleaded (recommended), depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2008 Jeep Grand Cherokee?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 21.1-gallon tank from empty costs $90.10. It ranges from $78.07 in the Gulf Coast to $124.28 in California.
How much does a full tank of gas weigh in a 2008 Jeep Grand Cherokee?
About 131 pounds for the 21.1-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2008 Jeep Grand Cherokee have a bigger gas tank than the Toyota Highlander Hybrid?
Yes. The 2008 Jeep Grand Cherokee holds up to 21.1 gallons; the 2008 Toyota Highlander Hybrid holds up to 17.2.
Has the 2008 Jeep Grand Cherokee had a fuel pump or fuel system recall?
No. None of the 4 recalls NHTSA lists for the 2008 Jeep Grand Cherokee 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 (Jeep 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.