What year Porsche 718 Cayman Gt4 is most reliable?

Based on MOT first-test pass rates, the 2022 Porsche 718 Cayman Gt4 has the highest pass rate at 99.3%, out of 128 vehicles tested.

What are the most common Porsche 718 Cayman Gt4 MOT failures?

The most common Porsche 718 Cayman Gt4 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Porsche 718 Cayman Gt4 — Reliability by Year

614 vehicles · MOT data 2019–2022 · first-test pass rates

This page shows MOT first-test pass rates for each year the Porsche 718 Cayman Gt4 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

2022

99.3% pass rate · 128 vehicles

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Lowest pass rate year

2020

97.5% pass rate · 383 vehicles

Year	Pass rate	Avg mileage	Vehicles
2022	99.3%	7,353 mi	128
2020	97.5%	9,227 mi	383
2019	97.6%	10,885 mi	103

Which year Porsche 718 Cayman Gt4 is most reliable?

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

Tests range from an average of 7,353 miles (newest year) to 10,885 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 Porsche 718 Cayman Gt4.

See the buying guide →

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