CarCostCheck

ISUZU TROOPER (1991)

Running costs, common problems, and reliability data based on 32 real MOT tests in 2024.

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MOT Pass Rate

69%

Total Tests (2024)

32

Avg Mileage

110,132 mi

Est. Annual Cost

£2,250

Is the 1991 ISUZU TROOPER reliable?

Below average reliability. Budget extra for maintenance and repairs. That's 13 points below the national average of 82%. It falls below the ISUZU brand average of 78%.

At 33 years old, 69% of ISUZU TROOPERs from 1991 passed their MOT first time in 2024. That's based on 32 tests across the UK. The average mileage at this age is 110,132 miles.

How does the 1991 ISUZU TROOPER compare?

Rank among all 1991 cars155th out of 179(top 87%)
Rank among all ISUZU models94th out of 101(top 93%)
vs national average-13% (82% avg)
vs 1991 cars average-9% (78% avg)
vs ISUZU average-9% (78% avg)

Mileage Analysis

The average 1991 ISUZU TROOPER has 110,132 miles on the clock, which is significantly below the expected 244,200 miles for a 33-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Best year to buy a ISUZU TROOPER?

The most reliable year is the 1993 model with a 81% MOT pass rate, while the 1996 model has the lowest at 67%. The 1991 sits between the two at 69%.

How much does a 1991 ISUZU TROOPER cost to run?

⛽Fuel (Diesel, 2771cc)
£1,245
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs

Higher than average due to low pass rate

£700
Total per year£2,250
Per month£188/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

ISUZU TROOPER by Year

YearPass RateTestsAvg Mileage
200674%68199,672 mi
200572%273124,947 mi
200469%434135,304 mi
200369%457133,737 mi
200271%543134,189 mi
200176%341136,519 mi
200069%363131,546 mi
199972%637144,033 mi
199876%786153,276 mi
199776%762157,283 mi
199667%343155,226 mi
199568%164148,565 mi
199474%158155,794 mi
199381%150141,664 mi
199274%94134,392 mi
199169%32110,132 mi

Checking a specific ISUZU TROOPER?

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About the 1991 ISUZU TROOPER

The 1991 ISUZU TROOPER is a large car with a 2771cc diesel engine. 32 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 87% of 1991 cars for MOT pass rates.

With an average of 110,132 miles at 33 years old, ISUZU TROOPER owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

1991 ISUZU TROOPER Fuel Costs

The 2771cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 1991 ISUZU TROOPER?

Total estimated annual running cost is £2,250 (£188/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £700 predicted repairs. The higher repair estimate reflects the 69% MOT pass rate. Cars in this bracket tend to need work on suspension, brakes, and emissions components.

ISUZU TROOPER Reliability Trend

The ISUZU TROOPER has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Buying a Used 1991 ISUZU TROOPER

At 33 years old, the ISUZU TROOPER is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 1993 model has the highest pass rate at 81%. Note: with only 32 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 1991 ISUZU TROOPER

If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: