Porsche 718 Cayman GT4 Reliability, MOT Pass Rate & Common Faults
Free Porsche 718 Cayman GT4 car check
Is the Porsche 718 Cayman GT4 reliable? We analysed 2,156 real MOT tests across 737 vehicles to find out.
Got a specific Porsche 718 Cayman GT4? Enter the reg for a free check:
The Porsche 718 Cayman GT4 is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Porsche 718 Cayman GT4.
Porsche 718 Cayman GT4 Number Plates
Number plates registered to a Porsche 718 Cayman GT4. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Porsche 718 Cayman GT4 MOT Pass Rate by Year
How likely is a Porsche 718 Cayman GT4 to pass its MOT? Here's the pass rate for each registration year, newest first.
Porsche 718 Cayman GT4 Problems — What Goes Wrong?
The most common reasons a Porsche 718 Cayman GT4 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Porsche 718 Cayman GT4 Common Faults & Problems
These are the most common serious faults found on Porsche 718 Cayman GT4 models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Porsche 718 Cayman GT4 Mileage — What's Normal?
How many miles does a typical Porsche 718 Cayman GT4 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Porsche 718 Cayman GT4 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Porsche 718 Cayman GT4 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2022 | 232 | 96.6% | 5,570 | 8,705 | 16,110 |
| 2021 | 148 | 93.9% | 4,863 | 7,686 | 13,323 |
| 2020 | 1,307 | 96.8% | 5,629 | 9,366 | 14,446 |
| 2019 | 397 | 96.0% | 6,159 | 10,144 | 17,388 |
How Long Does a Porsche 718 Cayman GT4 Last?
Based on 737 Porsche 718 Cayman GT4 vehicles on UK roads.
Porsche 718 Cayman GT4 Mileage Distribution
Total mileage recorded across all Porsche 718 Cayman GT4 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Porsche 718 Cayman GT4
Based on MOT pass rates across all registration years with sufficient test data.
96.8% MOT pass rate from 1,307 tests
93.9% MOT pass rate from 148 tests
The best year to buy a used Porsche 718 Cayman GT4 is 2020, which has the highest MOT pass rate at 96.8% across 1,307 tests. The 2021 model year has the lowest pass rate at 93.9% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Porsche 718 Cayman GT4 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Porsche 718 Cayman GT4 THIS CAR | 96.5% | 2,156 | 9,404 mi | — yrs |
| Porsche 911 | 85.2% | 977,057 | 55,056 mi | 47 yrs |
| Porsche Boxster | 82.8% | 726,695 | 55,739 mi | 29 yrs |
| Porsche Cayenne | 84.5% | 388,697 | 65,616 mi | 23 yrs |
| Aprilia Mille | 86.2% | 1,142 | 16,161 mi | 27 yrs |
Compared to the Porsche 911 (85.2% pass rate) and the Porsche Boxster (82.8% pass rate), the Porsche 718 Cayman GT4 outperforms both on MOT reliability.
Found a Porsche 718 Cayman GT4 you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Porsche 718 Cayman GT4Should you buy a used Porsche 718 Cayman GT4?
The Porsche 718 Cayman GT4 has an overall MOT pass rate of 96.5% across 2,156 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common failure point is track rod end ball joint has excessive play with 4 recorded occurrences. Check for this on any test drive or pre-purchase inspection.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Porsche 718 Cayman GT4 with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Porsche 718 Cayman GT4 owner drives around 2,169 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.