1998 Jeep Wrangler Gas Tank Size & Fuel Capacity
Fuel tank capacity
15.0–19.0gal · 57–72 L
The 1998 Jeep Wrangler has a fuel tank capacity of 15.0 to 19.0 gallons (57–72 liters), depending on the trim. The most common size is 15.0 gallons, used on 2 trims.
A full tank is good for roughly 270–361 highway miles or 225–285 miles around town, going by the EPA ratings.
19.0 gal · Bigger than 56% of 1998 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Fuel recalls
- Pump & gauge parts
- FAQ
1998 Jeep Wrangler fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
All 3 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| SE 2dr SUV 4WD 2.5L 4cyl 5M · 4WD MPG 16 / 18Range 240 / 270 mi | 2.5L 4cyl 5M | 4WD | 15.0 gal57 L | 16 / 18 | 240 / 270 mi | |
| Sport 2dr SUV 4WD 4.0L 6cyl 5M · 4WD MPG 15 / 19Range 225 / 285 mi | 4.0L 6cyl 5M | 4WD | 15.0 gal57 L | 15 / 19 | 225 / 285 mi | |
| Sahara 2dr SUV 4WD 4.0L 6cyl 5M · 4WD MPG 15 / 19Range 285 / 361 mi | 4.0L 6cyl 5M | 4WD | 19.0 gal72 L | 15 / 19 | 285 / 361 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 1998 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 19.0-gallon tank covers about 304 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 19.0 | 361 | 285 |
| 3/4 | 14.3 | 271 | 214 |
| 1/2 | 9.5 | 181 | 143 |
| 1/4 | 4.8 | 90 | 71 |
| 1/8 | 2.4 | 45 | 36 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 49 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 16.8 MPG in the Wrangler (22 drivers), about 319 miles on a full 19.0-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
- 16–17 MPG
- Tailpipe CO2
- 523–555 g/mi
- Source
- EPA ratings
What it costs to fill up a 1998 Jeep Wrangler
$64.05 to fill the 15.0-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 |
|---|---|---|---|---|
| 15.0 gal | Regular | $4.27 | $64.05 | $48.04 |
| 19.0 gal | Regular | $4.27 | $81.13 | $60.85 |
By region, 15.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $60.30 |
| Midwest | $4.27 | $64.05 |
| Gulf CoastLowest | $3.70 | $55.50 |
| Rocky Mountain | $4.46 | $66.90 |
| West Coast | $5.42 | $81.30 |
| CaliforniaHighest | $5.89 | $88.35 |
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
- 15.0-gallon tank$64.05
- 19.0-gallon tank$81.13
- 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 1998 Wrangler uses the same 15.0–19.0 gal tank sizes as the 1997 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2003 Wrangler | 19.0 gal | 342 mi |
| 2002 Wrangler | 19.0 gal | 361 mi |
| 2001 Wrangler | 19.0 gal | 361 mi |
| 2000 Wrangler | 19.0 gal | 361 mi |
| 1999 Wrangler | 15.0–19.0 gal | 342 mi |
| 1998 Wrangler | 15.0–19.0 gal | 361 mi |
| 1997 Wrangler | 15.0–19.0 gal | 342 mi |
| 1995 Wrangler | 15.0–20.0 gal | 340 mi |
| 1994 Wrangler | 15.0–20.0 gal | 340 mi |
| 1993 Wrangler | 15.0–20.0 gal | 360 mi |
| 1992 Wrangler | 15.0–20.0 gal | 400 mi |
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1998 Jeep Wrangler fuel system recalls
None of the 2 recalls NHTSA lists for the 1998 Jeep Wrangler involve the fuel system.
1998 Jeep Wrangler fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 1998 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 1998 Jeep Wrangler?
The 1998 Jeep Wrangler holds between 15.0 and 19.0 gallons, depending on the trim. 15.0 gallons is the usual size; the 19.0-gallon tank comes on the Sahara 2dr SUV 4WD (4.0L 6cyl 5M).
How many gallons and liters does the 1998 Jeep Wrangler gas tank hold?
The 1998 Jeep Wrangler tank holds 57–72 liters, or 15.0–19.0 gallons in US gallons.
Which 1998 Jeep Wrangler has the biggest gas tank?
The 19.0-gallon tank is on the Sahara 2dr SUV 4WD. The smallest tank, 15.0 gallons, is on the SE 2dr SUV 4WD.
How far can a 1998 Jeep Wrangler go on a full tank?
About 270–361 miles on the highway and 225–285 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 1998 Jeep Wrangler go on a quarter tank?
About 90 highway miles or 71 in town from the 19.0-gallon tank, which has roughly 4.8 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 1998 Jeep Wrangler really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 16.8 MPG in the 1998 Jeep Wrangler (22 drivers), which works out to about 319 miles on a full 19.0-gallon tank.
What gas does the 1998 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 1998 Jeep Wrangler?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 15.0-gallon tank from empty costs $64.05. It ranges from $55.50 in the Gulf Coast to $88.35 in California.
How much does a full tank of gas weigh in a 1998 Jeep Wrangler?
About 118 pounds for the 19.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Has the 1998 Jeep Wrangler had a fuel pump or fuel system recall?
No. None of the 2 recalls NHTSA lists for the 1998 Jeep Wrangler 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.