What year Sym Dd50 is most reliable?

Based on MOT first-test pass rates, the 2003 Sym Dd50 has the highest pass rate at 81.3%, out of 215 vehicles tested.

What are the most common Sym Dd50 MOT failures?

The most common Sym Dd50 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Sym Dd50 — Reliability by Year

874 vehicles · MOT data 2002–2005 · first-test pass rates

This page shows MOT first-test pass rates for each year the Sym Dd50 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

2003

81.3% pass rate · 215 vehicles

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Lowest pass rate year

2004

79.5% pass rate · 295 vehicles

Year	Pass rate	Avg mileage	Vehicles
2005	80.7%	9,366 mi	202
2004	79.5%	8,536 mi	295
2003	81.3%	8,925 mi	215
2002	81.1%	9,327 mi	162

Which year Sym Dd50 is most reliable?

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

Tests range from an average of 8,536 miles (newest year) to 9,366 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 Sym Dd50.

See the buying guide →

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