PORSCHE TAYCAN 4S 93KWH (2021)
Running costs, reliability data, and common problems from 2,650 real MOT tests.
Annual Cost
£950
£79/month
MOT Pass Rate
94%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
0cc Electric
Great Choice
94% pass rate, £950/year to run. 12 points above average.
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Annual Running Costs
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%.
At 5 years old, 94% of PORSCHE TAYCAN 4S 93KWHs from 2021 passed their MOT first time in 2026. That's based on 2,650 tests across the UK. The average mileage at this age is 24,908 miles.
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How Does It Compare?
Mileage Analysis
24,908
Average miles
37,000
Expected for age
The average 2021 PORSCHE TAYCAN 4S 93KWH has 24,908 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2020 model with a 95% MOT pass rate, while the 2022 model has the lowest at 89%. The 2021 sits between the two at 94%.
PORSCHE TAYCAN 4S 93KWH by Year
Similar Cars to Consider
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About the 2021 PORSCHE TAYCAN 4S 93KWH
The 2021 PORSCHE TAYCAN 4S 93KWH is a electric with a 0cc electric engine. 2,650 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 24,908 miles at 5 years old, PORSCHE TAYCAN 4S 93KWH owners tend to use this car less than the typical driver.
What does it cost to own a 2021 PORSCHE TAYCAN 4S 93KWH?
Total estimated annual running cost is £950 (£79/month), broken down as £500 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
PORSCHE TAYCAN 4S 93KWH Reliability Trend
Older PORSCHE TAYCAN 4S 93KWHs tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.
Buying a Used 2021 PORSCHE TAYCAN 4S 93KWH
At 5 years old, the PORSCHE TAYCAN 4S 93KWH offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2020 model has the highest pass rate at 95%.
Common Issues to Watch For
Based on the 2021 PORSCHE TAYCAN 4S 93KWH's fuel type, age, and engine size, these are the most likely problem areas to check.
Battery Degradation
Medium riskAfter 5 years, expect some battery capacity loss. Check the battery health report for state of health (SoH). Below 80% significantly reduces range.
Charging Port
Medium riskCharging connectors and ports can develop issues from regular use. Check both AC and DC charging work correctly before purchasing.
Software Updates
Medium riskOlder EVs may miss out on manufacturer software updates that improve range and features. Check the infotainment system is up to date.
12V Auxiliary Battery
Medium riskEVs still have a standard 12V battery for accessories. These drain faster than in petrol cars and can leave you stranded if flat. Replacement is £100-£200.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2021 PORSCHE TAYCAN 4S 93KWH stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PORSCHE TAYCAN 4S 93KWH(2021) | 94% | £500 | £195 | Grp 1-8 | £950 |
| TESLA MODEL 3 LONG RANGE AWD(2021) | 88% | £500 | £190 | Grp 1-8 | £1095+£145 |
| JAGUAR I-PACE(2020) | 96% | £500 | £190 | Grp 1-8 | £945-£5 |
| TESLA MODEL 3 STANDARD RANGE +(2021) | 88% | £500 | £190 | Grp 1-8 | £1095+£145 |
| TESLA MODEL 3 PERFORMANCE AWD(2020) | 87% | £500 | £190 | Grp 1-8 | £1095+£145 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
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