1992 Isuzu Trooper Gas Tank Size & Fuel Capacity

SUV 2 trims listed ← 1991 1993 →

Fuel tank capacity

22.5gal · 85 L

The 1992 Isuzu Trooper has a fuel tank capacity of 22.5 gallons (85 liters) on every trim.

A full tank is good for roughly 383 highway miles or 338 miles around town, going by the EPA ratings.

22.5 gal · Bigger than 81% of 1992 models we list.

Highway range
383 mi
City range
338 mi
Fuel
Regular unleaded
EPA combined
15 MPG
EPA size class
Special Purpose Vehicles

1992 Isuzu Trooper fuel tank capacity by trim

MPG and range are city / highway.

TrimEngineDrive Tank MPG city / hwy Range city / hwy
LS 4dr SUV 4WD 3.2L 6cyl 5M · 4WD MPG 15 / 17Range 338 / 383 mi 3.2L 6cyl 5M 4WD 22.5 gal85 L 15 / 17 338 / 383 mi
S 4dr SUV 4WD 3.2L 6cyl 5M · 4WD MPG 15 / 17Range 338 / 383 mi 3.2L 6cyl 5M 4WD 22.5 gal85 L 15 / 17 338 / 383 mi

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 1992 Isuzu Trooper 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 22.5-gallon tank covers about 338 miles.

GaugeGallonsHighway milesCity miles
Full22.5383338
3/416.9287253
1/211.3191169
1/45.69684
1/82.84842

Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 1,000 gallons, roughly 44 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
15 MPG
Tailpipe CO2
592 g/mi
Source
EPA ratings

What it costs to fill up a 1992 Isuzu Trooper

$96.07 to fill the 22.5-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.

TankFuelUS avg / galFrom emptyFrom 1/4 tank
22.5 galRegular$4.27$96.07$72.06

By region, 22.5-gallon tank

RegionRegular / galFill from empty
East Coast$4.02$90.45
Midwest$4.27$96.07
Gulf CoastLowest$3.70$83.25
Rocky Mountain$4.46$100.35
West Coast$5.42$121.95
CaliforniaHighest$5.89$132.53

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

  • 22.5-gallon tank$96.07
  • 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.

Trooper tank size in other years

The tank changed for 1992: 22.5 gal, up from 21.9 gal on the 1991 Trooper.

Model yearTankLongest highway range
1997 Trooper 22.5 gal 383 mi
1996 Trooper 22.5 gal 383 mi
1995 Trooper 22.5 gal 383 mi
1994 Trooper 22.5 gal 383 mi
1993 Trooper 22.5 gal 383 mi
1992 Trooper 22.5 gal 383 mi
1991 Trooper 21.9 gal 372 mi
1990 Trooper 21.9 gal 372 mi
Isuzu Trooper fuel tank by model year

1992 Isuzu Trooper vs similar 1992 SUVs

At 22.5 gallons, the Trooper's largest tank ranks second of the seven 1992 SUVs compared here. The Mitsubishi Montero carries the most (24.3 gal) and the Toyota 4Runner the least (17.2 gal).

1992 modelTankLongest highway range
Mitsubishi Montero 24.3 gal 413 mi
Isuzu Trooper 22.5 gal 383 mi
Nissan Pathfinder 21.1 gal 359 mi
Oldsmobile Bravada 20.0 gal 400 mi
Mazda Navajo 19.3 gal 386 mi
Ford Explorer 19.0 gal 380 mi
Toyota 4Runner 17.2 gal 344 mi

Other 1992 SUVs of a similar size, one model per brand.

1992 Isuzu Trooper fuel system recalls

None of the 2 recalls NHTSA lists for the 1992 Isuzu Trooper involve the fuel system.

All Isuzu fuel recalls Look up your tank by VIN

1992 Isuzu Trooper fuel pump and gauge parts

NHTSA lists no fuel-system recall for the 1992 Isuzu Trooper, 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 1992 Isuzu Trooper?

The 1992 Isuzu Trooper holds 22.5 gallons (85 liters) on every trim we list.

How many gallons and liters does the 1992 Isuzu Trooper gas tank hold?

The 1992 Isuzu Trooper tank holds 85 liters, or 22.5 gallons in US gallons.

How far can a 1992 Isuzu Trooper go on a full tank?

About 383 miles on the highway and 338 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 1992 Isuzu Trooper go on a quarter tank?

About 96 highway miles or 84 in town from the 22.5-gallon tank, which has roughly 5.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.

What gas does the 1992 Isuzu Trooper take?

Regular unleaded. The label inside the fuel door confirms it for your car.

How much does it cost to fill up a 1992 Isuzu Trooper?

At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 22.5-gallon tank from empty costs $96.07. It ranges from $83.25 in the Gulf Coast to $132.53 in California.

How much does a full tank of gas weigh in a 1992 Isuzu Trooper?

About 140 pounds for the 22.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.

Does the 1992 Isuzu Trooper have a bigger gas tank than the Toyota 4Runner?

Yes. The 1992 Isuzu Trooper holds up to 22.5 gallons; the 1992 Toyota 4Runner holds up to 17.2.

Has the 1992 Isuzu Trooper had a fuel pump or fuel system recall?

No. None of the 2 recalls NHTSA lists for the 1992 Isuzu Trooper 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 (Isuzu 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.

Other 1992 Isuzu models