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Isuzu Reliability UK 2026

How reliable is a Isuzu? Here’s a data-led reliability profile based on first-time MOT pass rates, model-level breakdown, top failure categories, and a buyer’s verdict.

By Bertram Sargla, Founder, MOT CheckupLast updated: 2026-05-16Data sourced from DVSA

Isuzu reliability snapshot: first-time MOT pass rate 78.8% (+14.8 pp vs the UK average of 64%). Across 1 Isuzu models, the typical dangerous-defect rate is 1.9% and the average retest rate is 14.5%. Isuzu clusters around the UK first-time MOT pass average. Reliability varies more by model than brand here — see the model breakdown below before buying.

Isuzu first-time MOT pass rate

78.8%

Implied failure rate: 21.2% · UK average pass rate: 64%

vs UK average

+14.8 pp

Dangerous defects

1.9%

Retest rate

14.5%

How Isuzu compares to the UK average

The UK national first-time MOT pass rate is 64%, with about 36% of cars failing on the first attempt.Isuzu’s pass rate of 78.8% is 14.8 percentage points above that benchmark. That ’s a brand-average figure — individual Isuzu models range from the high 60s to above 90%, so model and age matter more than the badge.

Isuzu pass rate78.8%
UK average pass rate64%

Most reliable Isuzu models

Ranked by first-time MOT pass rate across our reliability dataset. Restricted to models with meaningful sample size.

1

Isuzu D-Max

2012–present · sample ≈12k

78.8%

Most problematic Isuzu models

The Isuzu models in our dataset with the lowest first-time MOT pass rates. A low pass rate doesn’t mean a bad car — older platforms naturally accumulate wear faster — but it does mean a pre-purchase MOT history check is essential.

1

Isuzu D-Max

2012–present · sample ≈12k

78.8%

Run a free MOT check on a specific Isuzu

Brand averages set expectations — a single car’s history is what actually decides whether it’s worth buying.

UK

Free instant MOT history check at /free-mot-check.

Top MOT failure categories for Isuzu

Aggregated across 1 Isuzu models in our dataset, weighted by sample size.

1

Suspension

16%
2

Lamps, reflectors and electrical equipment

15.5%
3

Brakes

14%
4

Tyres

11.5%
5

Exhaust, fuel and emissions

9%

Related reading

Isuzu MOT check

Per-model pass rates and free registration lookup.

Isuzu common faults

Detailed fault list and indicative repair costs.

Isuzu pass rate 2025

Most-recent year-keyed pass rate analysis.

SsangYong reliability

Brand often cross-shopped against Isuzu.

Maserati reliability

Brand often cross-shopped against Isuzu.

Abarth reliability

Brand often cross-shopped against Isuzu.

Isuzu reliability — FAQ

Is Isuzu a reliable car brand in the UK?
Isuzu's first-time MOT pass rate of 78.8% is above the UK national average of 64%, putting it in the average band of brands for MOT reliability. We track 1 Isuzu models in our dataset.
What is the most reliable Isuzu model for MOT?
Based on first-time MOT pass rates, the most reliable Isuzu models in our dataset are: Isuzu D-Max (78.8%). Newer EV variants tend to score highest because they avoid emissions-related failures entirely.
Which Isuzu models fail their MOT most often?
In our dataset, the Isuzu models with the lowest first-time MOT pass rates are: Isuzu D-Max (78.8%). These tend to be older or higher-mileage models; the same name in a newer year often performs noticeably better.
What are the most common MOT failures on a Isuzu?
Aggregated across Isuzu models, the most common MOT failure categories are: suspension (16%), lamps, reflectors and electrical equipment (15.5%), brakes (14%). These align with the national pattern; lighting, suspension, and tyre defects dominate UK MOT failures across most brands.

Check a Isuzu’s MOT history

Free, instant, no signup. Every test result, advisory, and mileage reading since 2005.

UK

Free MOT check

Source: MOT Checkup analysis of DVSA MOT test data. Brand-average pass rate is sample-size weighted across 1 Isuzu models in our dataset. Individual cars vary considerably — always check the specific registration’s MOT history before buying.