CarCostCheck

Porsche Taycan 4S 79KWH

Reliability, estimated running costs, and MOT data across 2 model years from 1,920 MOT tests in 2024.

Avg Pass Rate

93%

Total Tests

1,920

Highest Pass Rate

2020 (94%)

Years Covered

2

About the Porsche Taycan 4S 79KWH

The Porsche Taycan 4S 79KWH was MOT tested 1,920 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 93%. That's comfortably above the average of 82% across all models in our data. Our records list electric versions.

Best and Worst Years

Of the years with at least 100 tests, the 2020 model has the highest pass rate at 94% from 1,200 tests. The 2021 model has the lowest at 91%. With just a 3 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2020) averages 30,535 miles, while the newest (2021) averages 27,223 miles.

Estimated Running Costs

Fuel (Electric)
£555
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£1,010
Per month£84/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Porsche Taycan 4S 79KWH?

vs average of all models+11% (82% avg)
vs Porsche brand average+1% (92% avg)
Best to worst year spread3 percentage points

Porsche Taycan 4S 79KWH by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202191%72027,223 mi
202094%1,20030,535 mi

Questions about the Porsche Taycan 4S 79KWH

Is the Porsche Taycan 4S 79KWH reliable?

Across its 2 model years in our data (2020 to 2021), the Porsche Taycan 4S 79KWH averages a 93% MOT pass rate, from 1,920 tests (DVSA MOT data for tests in 2024, retests included). That's 11 points above the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 94%.

Which year Porsche Taycan 4S 79KWH has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Porsche Taycan 4S 79KWH has the highest MOT pass rate at 94%, while the 2021 model has the lowest at 91%, a 3 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Porsche Taycan 4S 79KWH Guides & Articles

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