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Sym Jet 4 125 E4 — Reliability by Year

855 vehicles · MOT data 2017–2021 · first-test pass rates

This page shows MOT first-test pass rates for each year the Sym Jet 4 125 E4 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
2021
83.3% pass rate · 118 vehicles
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Lowest pass rate year
2018
80.9% pass rate · 214 vehicles
Year Pass rate Avg mileage Vehicles
2021
83.3%
10,217 mi 118
2020
81.9%
11,311 mi 182
2019
81.0%
12,564 mi 198
2018
80.9%
10,333 mi 214
2017
82.7%
12,282 mi 143

Which year Sym Jet 4 125 E4 is most reliable?

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

Tests range from an average of 10,217 miles (newest year) to 12,564 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 Jet 4 125 E4.

See the buying guide →

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