What year Isuzu Trooper Swb is most reliable?

Based on MOT first-test pass rates, the 1988 Isuzu Trooper Swb has the highest pass rate at 71.6%, out of 468 vehicles tested.

What are the most common Isuzu Trooper Swb MOT failures?

The most common Isuzu Trooper Swb MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Isuzu Trooper Swb — Reliability by Year

1,890 vehicles · MOT data 1987–1992 · first-test pass rates

This page shows MOT first-test pass rates for each year the Isuzu Trooper Swb was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

1988

71.6% pass rate · 468 vehicles

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Lowest pass rate year

1990

51.6% pass rate · 324 vehicles

Year	Pass rate	Avg mileage	Vehicles
1992	66.1%	119,198 mi	147
1991	56.2%	125,144 mi	211
1990	51.6%	118,803 mi	324
1989	60.8%	113,588 mi	380
1988	71.6%	117,776 mi	468
1987	58.7%	128,673 mi	360

Which year Isuzu Trooper Swb is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 113,588 miles (newest year) to 128,673 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Isuzu Trooper Swb.

See the buying guide →

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Check any UK registration — free MOT history and risk insights.