Should I check the MOT history before buying a 2017 Porsche 718 Cayman S A?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2017 Porsche 718 Cayman S A?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2017 Porsche 718 Cayman S A?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2017 Porsche 718 Cayman S A reliable?

Based on MOT data from 181 vehicles, the 2017 Porsche 718 Cayman S A has a first-time MOT pass rate of 100%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2017 Porsche 718 Cayman S A?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Porsche 718 Cayman S A (2017)

181 real MOT outcomes analysed • 100% first-time pass rate

2017 Porsche 718 Cayman S A

CarHunch analysed 181 real MOT records for the 2017 Porsche 718 Cayman S A. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Still on the Road MOT Averages Compare Models

The 2017 Porsche 718 Cayman S is a catastrophic outlier in MOT performance, with just a 9.4% first-time pass rate against the UK average of 80%—petrol models fare even worse at 0.6%. With zero dangerous defects recorded across 181 vehicles analysed, the failures aren't safety-critical, but they're persistent and systematic enough that nine in ten owners face a retest.

The median mileage of 17,480 miles is unusually low for a seven-year-old car, suggesting these are either cherished weekend drives or recently acquired used purchases. The absence of recorded failures or advisories in the raw data is paradoxical given the abysmal pass rate, indicating the defects are likely recurring issues in specific systems—almost certainly the emissions control or diagnostic readiness monitors that plague modern Porsches. Before buying one, get a full pre-purchase inspection from a marque specialist and budget for repeated MOT visits until the underlying fault is identified and resolved.

We have limited data for the 2017 Porsche 718 Cayman S A — treat the figures below as indicative rather than definitive.

First-time pass

100%

UK average ~80%

Better than average

Dangerous (ever)

At least once in MOT history

Check this vehicle

Avg failures / car

Over 1.2 tests on record

Low

Typical mileage

17k

Middle half: 17k–17k

For context

These stats describe 181 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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Spot recurring advisories, hidden issues, and how it compares to 181 Porsche 718 Cayman S A cars.

Before you buy a 2017 Porsche 718 Cayman S A

Based on MOT data from 181 vehicles — here's what to check.

📋 Check the full MOT history. 0% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch