What year MG Zr is most reliable?

Based on MOT first-test pass rates, the 2002 MG Zr has the highest pass rate at 72.1%, out of 12,877 vehicles tested.

What are the most common MG Zr MOT failures?

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

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MG Zr — Reliability by Year

55,192 vehicles · MOT data 2001–2006 · first-test pass rates

This page shows MOT first-test pass rates for each year the MG Zr 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

2002

72.1% pass rate · 12,877 vehicles

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Lowest pass rate year

2005

70.7% pass rate · 6,707 vehicles

Year	Pass rate	Avg mileage	Vehicles
2006	71.4%	50,551 mi	681
2005	70.7%	52,401 mi	6,707
2004	70.9%	54,106 mi	14,151
2003	72.0%	56,592 mi	16,440
2002	72.1%	60,681 mi	12,877
2001	71.2%	64,772 mi	4,336

Which year MG Zr is most reliable?

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

Tests range from an average of 50,551 miles (newest year) to 64,772 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 MG Zr.

See the buying guide →

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