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Isuzu TrooperModel year report

2001 Isuzu Trooper Problems

Complaints
29filed with NHTSA
Median mileage
80,000miles, 17 complaints with mileage
Recalls
1campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
15 mpgcombined, 3.5L 6-cyl RWD · 14 city / 18 hwy

Sources: NHTSA records for the 2001 Isuzu Trooper (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 29 consumer complaints for the 2001 Isuzu Trooper. The part named most often is transmission and drivetrain, with 9 complaints (31% of the total), followed by engine cooling (8) and brakes (7). 17 of the complaints include a mileage, and 24% of those were filed for vehicles with under 50,000 miles; the median is 80,000 miles. Of all complaints, 2 involved a crash, according to the filers. NHTSA lists 1 recall campaign and 35 technical service bulletins for this model year. Transmission and drivetrain complaints overlap with 1 technical service bulletin filed under the same part. Engine cooling complaints overlap with 1 recall campaign covering the gasoline and 10 technical service bulletins filed under the same part.

Not compared (before 2008). Model years 2008–2023 of the same vehicle that have at least 25 complaints are compared, and a model needs at least 3 of them.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Transmission and drivetrain: “I bought my new automobile on the 24th of june 2001. On april 24, 2004 the Trooper broke down and I had it towed to sheehy chevrolet dodge Isuzu dealership. Before the truck broke down the transmission light and engine light came on. At this time the truck had 56,680 miles on it. I picked the truck up on april 28, 2004 from the sheehy dealership. I paid sheehy $173.22 for the repairs they made and rented a car which cost me $175.61. On may 3, 2004 I took the truck to lindsay chevrolet to be repaired because the engine light had come on and the truck felt like it was about to brake down again. …”

NHTSA complaint #10129811, filed 2005-07, 56,000 miles

Engine cooling: “We have had to add 1-2 qts of oil every couple thousand miles although we did not see an oil leak (no marks on the driveway) mechanic could find no oil leak or problem our check engine light has been on,and mechanic said we needed emissions sensor replaced. We did replace it. On our way to thanksgiving in oklahoma from michigan our engine blew ! We are now without that vehicle but still making payments. A dealership in tulsa said that those engines are replaced a lot at his shop due to this problem. …”

NHTSA complaint #10174510, filed 2006-11, 100,000 miles

Brakes: “2001 Isuzu Trooper with faulty transmission accumulator and bad u-joint customer states that they want us to review the safety issues**nar**cc the consumer stated having 3 separate issues with the vehicle the first being a bad u joint, the second being a faulty transmission accumulator and the third was having to replace a long engine block. The consumer was also informed the electrical hydraulic brake system needed to be replaced. …”

NHTSA complaint #10200298, filed 2007-08, 87,300 miles

Vehicle speed control: “While driving vehicle stalled. This failure caused a collision. Dealership serviced vehicle numerous times, and replaced the main computer, accelerator motor, and several other components. But, problem recurred.”

NHTSA complaint #10080065, filed 2004-06, 7,400 miles

Mileage when problems were reported

24% of the 17 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 54,000 and 92,600 miles.

6%0–1012%10–256%25–5024%50–7529%75–10024%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (17 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 80,000 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

2002720042006200820122021
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2001 Isuzu Trooper version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Trooper 2WD3.5L 6-cyl4-speed automatic141815$4,450
Trooper 4WD3.5L 6-cyl4-speed automatic141815$4,450
Trooper 4WD3.5L 6-cyl5-speed manual141715$4,450

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2001 Isuzu Trooper → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 35 on record; the latest 10 are shown.

See all 35 bulletins →

Other model years of the Isuzu Trooper

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20021247,0000—15—Not enough data
20012980,0001—15Not compared (before 2008)Falling
20004970,5502—15Not compared (before 2008)Stable
19998171,5000—15Not compared (before 2008)Stable
19984252,5001—15Not compared (before 2008)Stable
19971365,0002—15—Not enough data
199651118,5002—15Not compared (before 2008)Stable
199554118,0001—15Not compared (before 2008)Stable
19944785,1502—15Not compared (before 2008)Rising
19933322,3002—15Not compared (before 2008)Falling
199225179,0002—15Not compared (before 2008)Stable
199157135,0002—15Not compared (before 2008)Stable
199023130,0002—15—Stable
198916—0—15—Stable
198817—1—15—Stable
19876—2—17—Not enough data
198618226,0001—17—Stable

All Isuzu Trooper model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2001 Isuzu Trooper have?

NHTSA recorded 29 consumer complaints for the 2001 Isuzu Trooper as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2001 Isuzu Trooper is reported most often?

Transmission and drivetrain is named most often, in 9 complaints (31% of the total), followed by engine cooling with 8.

Has the 2001 Isuzu Trooper been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2001 Isuzu Trooper get?

The EPA rates the 2001 Isuzu Trooper (Trooper 2WD, 3.5L 6-cyl) at 15 mpg combined, 14 city and 18 highway, with an estimated annual fuel cost of $4,450 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2001 Isuzu Trooper reported?

Among the 17 complaints that include a mileage, the median is 80,000 miles and the middle half falls between 54,000 and 92,600 miles; 24% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.