What year Porsche 911 Carrera is most reliable?

Based on MOT first-test pass rates, the 1998 Porsche 911 Carrera has the highest pass rate at 82.1%, out of 114 vehicles tested.

What are the most common Porsche 911 Carrera MOT failures?

The most common Porsche 911 Carrera MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

CarHunch

Get Started

Porsche 911 Carrera — Reliability by Year

114 vehicles · MOT data 1998–1998 · first-test pass rates

This page shows MOT first-test pass rates for each year the Porsche 911 Carrera was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
1998	82.1%	85,026 mi	114

← All Porsche models

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