CarCostCheck

Porsche

Running costs, reliability, and MOT data for 87 models from 455,550 real MOT tests.

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Enter a reg plate for full MOT history, mileage verification, health score, running costs, and reliability data. Instant results, no signup.

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Free instant check using official DVSA and DVLA data

Avg Pass Rate

92%

Total Tests

455,550

Models

87

Years Covered

1990-2022

Most Reliable

911 Carrera 2 S

100% pass rate

Least Reliable

Turbo

68% pass rate

Most Popular

911

117,064 tests

About Porsche Cars

Porsche ranks 33th out of 145 car manufacturers for MOT reliability, with an average pass rate of 92%. That's 10 points above the national average of 82%, making Porsche one of the more dependable brands on UK roads.

With 87 models across 33 years of data (1990 to 2022), there's a wide spread of 32 percentage points between the most and least reliable models. Choosing the right model matters significantly with Porsche.

Most and Least Reliable Porsche Models

The 911 Carrera 2 S leads the range with a 100% average pass rate from 114 tests. At the other end, the Turbo has the lowest at 68%. Overall, more than half of Porsche's models achieve above-average pass rates, which is a good sign for the brand.

Porsche Fuel Types

Porsche models in our data come in 67 petrol, 8 diesel, 5 hybrid, 10 electric variants. Porsche is among the manufacturers offering electric options in the UK market.

Estimated Running Costs

Fuel (Petrol, 2981cc)
£1,592
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£2,042
Per month£170/mo

Based on most recent year, 7,400 miles/year, current fuel prices. Insurance not included.

Full details

How reliable is Porsche?

Brand ranking33th out of 145 manufacturers
vs national average+10% (82% avg)
Models above 85% pass rate81 of 87
Models below 70% pass rate1 of 87
Reliability spread (best to worst)32 percentage points

All Porsche Models

Click any model to see detailed year-by-year reliability data, running costs, and comparisons.

ModelYearsPass RateTestsFuel
91132 yrs92%117,064Petrol, LP
Macan9 yrs94%84,295Diesel, Petrol
Cayenne20 yrs90%80,646Petrol, Diesel, Hybrid, LP, Electric
Boxster26 yrs89%74,958Petrol
Cayman18 yrs94%36,158Petrol
Panamera13 yrs92%20,858Petrol, Hybrid
Taycan 4s 93kwh3 yrs93%6,351Electric
Taycan Turbo2 yrs93%2,897Electric
9443 yrs86%2,234Petrol
Taycan 4x22 yrs97%2,159Electric
Taycan Turbo S2 yrs94%2,022Electric
Taycan 4s 79kwh2 yrs93%1,920Electric
911 Turbo S S-a3 yrs94%1,907Petrol
718 Cayman Gt43 yrs97%1,543Petrol
9684 yrs87%1,408Petrol
911 Carrera S-a3 yrs96%1,206Petrol
Cayenne Turbo S E-hybrid Auto3 yrs97%1,125Hybrid Electric (Clean)
Taycan 4s Cross Turismo2 yrs97%1,080Electric
911 Carrera Auto2 yrs97%744Petrol
911 Targa 4s2 yrs98%729Petrol
911 Carrera 4 S-a2 yrs96%712Petrol
718 Spyder3 yrs98%682Petrol
Panamera D V6 Tiptronic Auto2 yrs90%636Diesel
Cayenne Gts Auto2 yrs98%634Petrol
718 Cayman Gt4 S-a1 yr97%564Petrol
Cayenne V6 D Tiptronic2 yrs90%505Diesel
Taycan 4 Cross Turismo2 yrs98%496Electric
911 Carrera S Auto2 yrs97%478Petrol
911 Carrera 2s2 yrs94%473Petrol
911 Carrera 4 Auto2 yrs97%445Petrol
9286 yrs87%417Petrol
911 Gt31 yr98%401Petrol
911 Carrera S2 yrs98%375Petrol
Panamera 4 10 Years Ed Phev Sa1 yr94%374Hybrid Electric (Clean)
Carrera9 yrs87%367Petrol
928 S3 yrs79%364Petrol
Cayman S-a3 yrs95%353Petrol
911 Turbo S-a3 yrs93%340Petrol
Cayman S S-a1 yr98%330Petrol
911 Carrera 4s3 yrs91%324Petrol
911 Carrera 4s Auto2 yrs95%305Petrol
911 Targa 4 Auto2 yrs97%290Petrol
Cayenne Tiptronic S3 yrs86%272Petrol
Carrera Gt6 yrs85%254Petrol
911 Carrera 2s S-a4 yrs94%210Petrol
Taycan Turbo Cross Turismo1 yr94%209Electric
Cayenne S Hybrid Tip S3 yrs91%192Hybrid Electric (Clean)
911 Speedster1 yr99%186Petrol
Unclassified4 yrs96%185Petrol, Diesel
Cayman S3 yrs83%183Petrol
911 Carrera 4s Pdk S-a2 yrs93%182Petrol
911 Carrera Gts1 yr97%177Petrol
911 Carrera 4 Gts1 yr98%142Petrol
Panamera 4 10 Years Edition Sa1 yr93%139Petrol
Panamera 4s E-hybrid S-a1 yr89%131Hybrid
911 Targa 4 Gts2 yrs96%131Petrol
Panamera 4s Ehyb Spt Tour Sa2 yrs87%117Hybrid
911 Carrera 2 S1 yr100%114Petrol
718 Boxster 25 Years S-a1 yr99%110Petrol
718 Spyder S-a1 yr96%95Petrol
911 Targa 4s Heritage1 yr95%86Petrol
Taycan Turbo S Cross Turismo1 yr97%77Electric
911 Turbo Tiptronic S2 yrs87%76Petrol
Gt 31 yr100%70Petrol
Cayenne V6 Diesel Tip S1 yr96%67Diesel
Panamera D V6 Tiptronic1 yr87%61Diesel
Carrera Coupe1 yr90%58Petrol
911 Carrera 4 Tiptronic1 yr84%56Petrol
Boxster 24v S S-a1 yr88%56Petrol
911 Carrera S S-a1 yr87%53Petrol
Cayenne Gts Tiptronic S1 yr100%50Petrol
911 Carrera 21 yr96%47Petrol
Cayenne V8 Turbo Tip S1 yr98%46Petrol
Cayenne Tiptronic1 yr80%46Petrol
Boxster S Tiptronic S1 yr84%45Petrol
911 Carrera Gts S-a1 yr96%45Petrol
Cayenne Tiptronic S D1 yr93%45Diesel
Spyder S-a1 yr98%44Hybrid
718 Boxster 25 Years1 yr100%43Petrol
Panamera 4s S-a1 yr85%41Petrol
Carrera 41 yr89%38Petrol
Turbo1 yr68%38Petrol
911 Gt3 Rs 4.01 yr100%36Petrol
Cayenne S Tiptronic1 yr88%34Petrol
Panamera Turbo S-a1 yr88%33Petrol
911 Turbo1 yr100%31Petrol
911 Gt3 Rs1 yr87%30Petrol

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Free instant check using official DVSA and DVLA data

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