What year Mazda Cx 3 is most reliable?

Based on MOT first-test pass rates, the 2019 Mazda Cx 3 has the highest pass rate at 92.5%, out of 7,021 vehicles tested.

What are the most common Mazda Cx 3 MOT failures?

The most common Mazda Cx 3 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Mazda Cx 3 — Reliability by Year

24,826 vehicles · MOT data 2015–2019 · first-test pass rates

This page shows MOT first-test pass rates for each year the Mazda Cx 3 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

2019

92.5% pass rate · 7,021 vehicles

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Lowest pass rate year

2015

86.9% pass rate · 2,405 vehicles

Year	Pass rate	Avg mileage	Vehicles
2019	92.5%	26,479 mi	7,021
2018	92.0%	31,096 mi	5,624
2017	91.0%	35,773 mi	4,862
2016	87.7%	41,093 mi	4,914
2015	86.9%	44,330 mi	2,405

Which year Mazda Cx 3 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 26,479 miles (newest year) to 44,330 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 Mazda Cx 3.

See the buying guide →

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