1,345 tests in 2025
Porsche 718 reliability and MOT pass rate
96.7% passed first time. The 3.3% fail rate is 19.3 points better than the all-car average, on a median example 4 years old with 9,897 miles.
Pass rate
96.7%
22.6% of all cars failed; 3.3% of these did.
Fixed on the day
1%
Passed after a defect was put right during the visit.
Median at test
9,897 mi
4 years old.
Fail rate by age
| Age at test | Tests | Fail rate |
|---|---|---|
| 3-5 years | 1,174 | 3.4% |
| 6-9 years | 155 | — |
| 10-13 years | 0 | — |
| 14+ years | 0 | — |
What the 718 fails on
Share of failed tests with at least one fail item in each DVSA inspection section. A test can fail in several sections at once.
- Tyres15 dangerous57.8%
- Identification of the vehicle15.6%
- Lamps, reflectors and electrical equipment8.9%
- Noise, emissions and leaks6.7%
- Visibility6.7%
- Brakes4.4%
- Suspension4.4%
- Road Wheels1 dangerous2.2%
The exact defects that fail it
Every failure item DVSA recorded against a 718 in 2025, counted by how many tests each one appeared on.
- 1Condition: has a cut in excess of the requirements deep enough to reach the ply or cords14 tests
- 2Condition: has ply or cords exposed7 tests
- 3Tread depth: tread depth below requirements of 1.6mm6 tests
- 4Registration plates: does not conform to the specified requirements4 tests
- 5Headlamp cleaning device: for LED or HID headlamp inoperative3 tests
- 6Washers: provides insufficient washer liquid2 tests
- 7Registration plates: missing2 tests
- 8Axle: insecure1 tests
What wears out first
Advisories are the tester flagging wear that is still legal. A typical 718 collects 1.85 of them per test, and these are the ones that come up most. Treat it as the running-repairs list for the next year or two.
- 1Tread depth: tread depth below requirements of 1.6mm46 tests
- 2Condition: has a tear, caused by separation or partial failure of its structure16 tests
- 3Non-component advisories: Nail in tyre13 tests
- 4Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm12 tests
- 5Condition: has a cut in excess of the requirements deep enough to reach the ply or cords11 tests
- 6Brake discs: in such a condition that it is seriously weakened3 tests
- 7Coil spring: corroded so that its cross sectional area is reduced and seriously weakened3 tests
- 8Engine oil leaks: leaking excessively from engine3 tests
Questions
What is the Porsche 718 MOT pass rate?
96.7% of the 1,345 Porsche 718 first-attempt MOTs in 2025 passed. The fail rate of 3.3% compares with 22.6% across all cars. A further 1% passed after a defect was fixed during the test visit.
What does a Porsche 718 usually fail on?
The single most common failure is "Condition: has a cut in excess of the requirements deep enough to reach the ply or cords", recorded on 14 failed tests, followed by "Condition: has ply or cords exposed" and "Tread depth: tread depth below requirements of 1.6mm". By section, tyres appears in 57.8% of failures, identification of the vehicle appears in 15.6% of failures, lamps, reflectors and electrical equipment appears in 8.9% of failures.
Does age change the odds?
Sharply. At 3 to 5 years old the fail rate was 3.4%; at 3-5 years it was 3.4%. The median Porsche 718 tested in 2025 was 4 years old with 9,897 miles.
First-attempt class 4 tests, 2025, from DVSA’s anonymised MOT data (OGL v3, retrieved 2026-09-12). DVSA records newer cars trim by trim; this page adds every 718 trim together. Year-on-year figures come from the same DVSA extracts for 2026 and earlier years. Full method on the pass rates hub.
DVSA has published 6 safety recalls naming the Porsche 718: Porsche 718 recalls.
Other Porsche models
Checking a particular 718?
The odds above are the model. The car in front of you has its own record: every test, every advisory, the mileage at each one.
Due a test? Find an approved MOT station near you.