2002 Isuzu Trooper Gas Tank Size & Fuel Capacity
Fuel tank capacity
22.5gal · 85 L
The 2002 Isuzu Trooper has a fuel tank capacity of 22.5 gallons (85 liters) on every trim.
A full tank is good for roughly 383–405 highway miles or 315 miles around town, going by the EPA ratings.
22.5 gal · Bigger than 71% of 2002 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Pump & gauge parts
- FAQ
2002 Isuzu Trooper fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 7 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| LS 2WD 4dr SUV 3.5L 6cyl 4A · RWD MPG 14 / 18Range 315 / 405 mi | 3.5L 6cyl 4A | RWD | 22.5 gal85 L | 14 / 18 | 315 / 405 mi | |
| LS 4WD 4dr SUV 3.5L 6cyl 4A · 4WD MPG 14 / 18Range 315 / 405 mi | 3.5L 6cyl 4A | 4WD | 22.5 gal85 L | 14 / 18 | 315 / 405 mi | |
| Limited 2WD 4dr SUV 3.5L 6cyl 4A · RWD MPG 14 / 18Range 315 / 405 mi | 3.5L 6cyl 4A | RWD | 22.5 gal85 L | 14 / 18 | 315 / 405 mi | |
| Limited 4WD 4dr SUV 3.5L 6cyl 4A · 4WD MPG 14 / 18Range 315 / 405 mi | 3.5L 6cyl 4A | 4WD | 22.5 gal85 L | 14 / 18 | 315 / 405 mi | |
| S 2WD 4dr SUV 3.5L 6cyl 4A · RWD MPG 14 / 18Range 315 / 405 mi | 3.5L 6cyl 4A | RWD | 22.5 gal85 L | 14 / 18 | 315 / 405 mi | |
| S 4WD 4dr SUV 3.5L 6cyl 4A · 4WD MPG 14 / 18Range 315 / 405 mi | 3.5L 6cyl 4A | 4WD | 22.5 gal85 L | 14 / 18 | 315 / 405 mi | |
| S 4WD 4dr SUV 3.5L 6cyl 5M · 4WD MPG 14 / 17Range 315 / 383 mi | 3.5L 6cyl 5M | 4WD | 22.5 gal85 L | 14 / 17 | 315 / 383 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 2002 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.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 22.5 | 405 | 315 |
| 3/4 | 16.9 | 304 | 236 |
| 1/2 | 11.3 | 203 | 158 |
| 1/4 | 5.6 | 101 | 79 |
| 1/8 | 2.8 | 51 | 39 |
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 2002 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.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 22.5 gal | Regular | $4.27 | $96.07 | $72.06 |
By region, 22.5-gallon tank
| Region | Regular / gal | Fill 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 2002 Trooper uses the same 22.5 gal tank as every Trooper since 1992.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2002 Trooper | 22.5 gal | 405 mi |
| 2001 Trooper | 22.5 gal | 405 mi |
| 2000 Trooper | 22.5 gal | 383 mi |
| 1999 Trooper | 22.5 gal | 405 mi |
| 1998 Trooper | 22.5 gal | 405 mi |
| 1997 Trooper | 22.5 gal | 383 mi |
2002 Isuzu Trooper vs similar 2002 SUVs
At 22.5 gallons, the Trooper's largest tank ranks second of the seven 2002 SUVs compared here. The Chevrolet Trailblazer carries the most (25.5 gal) and the Buick Rendezvous the least (18.0 gal).
| 2002 model | Tank | Longest highway range |
|---|---|---|
| Chevrolet Trailblazer | 18.7–25.5 gal | 485 mi |
| Isuzu Trooper | 22.5 gal | 405 mi |
| Mercury Mountaineer | 22.5 gal | 428 mi |
| Ford Explorer | 22.5 gal | 450 mi |
| Oldsmobile Bravada | 18.7 gal | 374 mi |
| GMC Envoy | 18.7 gal | 374 mi |
| Buick Rendezvous | 18.0 gal | 432 mi |
Other 2002 SUVs of a similar size, one model per brand.
2002 Isuzu Trooper fuel pump and gauge parts
These are the part numbers the makers list for the 2002 Isuzu Trooper. Check the fuel system recalls first: recall repairs are free.
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Frequently asked questions
What is the fuel tank capacity of the 2002 Isuzu Trooper?
The 2002 Isuzu Trooper holds 22.5 gallons (85 liters) on every trim we list.
How many gallons and liters does the 2002 Isuzu Trooper gas tank hold?
The 2002 Isuzu Trooper tank holds 85 liters, or 22.5 gallons in US gallons.
Does 4WD change the 2002 Isuzu Trooper gas tank?
No. 4WD and RWD versions of the 2002 Isuzu Trooper use the same 22.5 gal tank.
How far can a 2002 Isuzu Trooper go on a full tank?
About 383–405 miles on the highway and 315 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 2002 Isuzu Trooper go on a quarter tank?
About 101 highway miles or 79 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 2002 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 2002 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 2002 Isuzu Trooper?
About 140 pounds for the 22.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2002 Isuzu Trooper have a bigger gas tank than the Oldsmobile Bravada?
Yes. The 2002 Isuzu Trooper holds up to 22.5 gallons; the 2002 Oldsmobile Bravada holds up to 18.7.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.