1998 Oldsmobile Bravada Gas Tank Size & Fuel Capacity
Fuel tank capacity
18.0gal · 68 L
The 1998 Oldsmobile Bravada has a fuel tank capacity of 18.0 gallons (68 liters).
A full tank is good for roughly 342 highway miles or 252 miles around town, going by the EPA ratings.
18.0 gal · Smaller than 59% of 1998 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
1998 Oldsmobile Bravada fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr SUV AWD 4.3L 6cyl 4A · AWD MPG 14 / 19Range 252 / 342 mi | 4.3L 6cyl 4A | AWD | 18.0 gal68 L | 14 / 19 | 252 / 342 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 Oldsmobile Bravada 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 18.0-gallon tank covers about 288 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.0 | 342 | 252 |
| 3/4 | 13.5 | 257 | 189 |
| 1/2 | 9.0 | 171 | 126 |
| 1/4 | 4.5 | 86 | 63 |
| 1/8 | 2.3 | 43 | 32 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 52 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.
- EPA combined
- 16 MPG
- Tailpipe CO2
- 555 g/mi
- Source
- EPA ratings
What it costs to fill up a 1998 Oldsmobile Bravada
$76.86 to fill the 18.0-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 |
|---|---|---|---|---|
| 18.0 gal | Regular | $4.27 | $76.86 | $57.64 |
By region, 18.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $72.36 |
| Midwest | $4.27 | $76.86 |
| Gulf CoastLowest | $3.70 | $66.60 |
| Rocky Mountain | $4.46 | $80.28 |
| West Coast | $5.42 | $97.56 |
| CaliforniaHighest | $5.89 | $106.02 |
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
- 18.0-gallon tank$76.86
- 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.
Bravada tank size in other years
The 1998 Bravada uses the same 18.0 gal tank as the 1997 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2003 Bravada | 22.0 gal | 440 mi |
| 2002 Bravada | 18.7 gal | 374 mi |
| 2001 Bravada | 18.0 gal | 324 mi |
| 2000 Bravada | 18.0 gal | 324 mi |
| 1999 Bravada | 18.0 gal | 342 mi |
| 1998 Bravada | 18.0 gal | 342 mi |
| 1997 Bravada | 18.0 gal | 360 mi |
| 1996 Bravada | 19.0 gal | 380 mi |
| 1994 Bravada | 20.0 gal | 380 mi |
| 1993 Bravada | 20.0 gal | 400 mi |
| 1992 Bravada | 20.0 gal | 400 mi |
1998 Oldsmobile Bravada vs similar 1998 SUVs
The Bravada has the smallest tank of the seven 1998 SUVs compared here: 18.0 gallons, against 23.0 for the Jeep Grand Cherokee.
| 1998 model | Tank | Longest highway range |
|---|---|---|
| Jeep Grand Cherokee | 23.0 gal | 460 mi |
| Honda Passport | 21.1 gal | 401 mi |
| Nissan Pathfinder | 21.1 gal | 380 mi |
| Ford Explorer | 17.5–21.0 gal | 420 mi |
| Mitsubishi Montero Sport | 19.5 gal | 449 mi |
| Chevrolet Blazer | 18.0–19.0 gal | 399 mi |
| Oldsmobile Bravada | 18.0 gal | 342 mi |
Other 1998 SUVs of a similar size, one model per brand.
1998 Oldsmobile Bravada fuel system recalls
None of the 2 recalls NHTSA lists for the 1998 Oldsmobile Bravada involve the fuel system.
1998 Oldsmobile Bravada fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 1998 Oldsmobile Bravada, 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 Oldsmobile Bravada?
The 1998 Oldsmobile Bravada holds 18.0 gallons (68 liters).
How many gallons and liters does the 1998 Oldsmobile Bravada gas tank hold?
The 1998 Oldsmobile Bravada tank holds 68 liters, or 18.0 gallons in US gallons.
How far can a 1998 Oldsmobile Bravada go on a full tank?
About 342 miles on the highway and 252 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 Oldsmobile Bravada go on a quarter tank?
About 86 highway miles or 63 in town from the 18.0-gallon tank, which has roughly 4.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 1998 Oldsmobile Bravada take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 1998 Oldsmobile Bravada?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 18.0-gallon tank from empty costs $76.86. It ranges from $66.60 in the Gulf Coast to $106.02 in California.
How much does a full tank of gas weigh in a 1998 Oldsmobile Bravada?
About 112 pounds for the 18.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 1998 Oldsmobile Bravada have a bigger gas tank than the Chevrolet Blazer?
No. The 1998 Chevrolet Blazer holds up to 19.0 gallons; the 1998 Oldsmobile Bravada holds up to 18.0.
Has the 1998 Oldsmobile Bravada had a fuel pump or fuel system recall?
No. None of the 2 recalls NHTSA lists for the 1998 Oldsmobile Bravada 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 (Oldsmobile 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.