CarCostCheck

PORSCHE 911 TARGA 4S (2021)

Running costs, common problems, and reliability data based on 635 real MOT tests in 2024.

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MOT Pass Rate

96%

Total Tests (2024)

635

Avg Mileage

10,439 mi

Est. Annual Cost

£2,037

Is the 2021 PORSCHE 911 TARGA 4S reliable?

Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the PORSCHE brand average of 92%.

At 3 years old, 96% of PORSCHE 911 TARGA 4Ss from 2021 passed their MOT first time in 2024. That's based on 635 tests across the UK. The average mileage at this age is 10,439 miles.

How does the 2021 PORSCHE 911 TARGA 4S compare?

Rank among all 2021 cars547th out of 3,373(top 16%)
Rank among all PORSCHE models79th out of 276(top 29%)
vs national average+14% (82% avg)
vs 2021 cars average+4% (92% avg)
vs PORSCHE average+4% (92% avg)

Mileage Analysis

The average 2021 PORSCHE 911 TARGA 4S has 10,439 miles on the clock, which is significantly below the expected 22,200 miles for a 3-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Best year to buy a PORSCHE 911 TARGA 4S?

The most reliable year is the 2020 model with a 100% MOT pass rate, while the 2021 model has the lowest at 96%. Consider a different year if reliability is a priority.

How much does a 2021 PORSCHE 911 TARGA 4S cost to run?

⛽Fuel (Petrol, 2981cc)
£1,592
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£2,037
Per month£170/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

PORSCHE 911 TARGA 4S by Year

YearPass RateTestsAvg Mileage
202196%63510,439 mi
2020100%9410,443 mi

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About the 2021 PORSCHE 911 TARGA 4S

The 2021 PORSCHE 911 TARGA 4S is a luxury with a 2981cc petrol engine. 635 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 16% of all 2021 cars for reliability.

With an average of 10,439 miles at 3 years old, PORSCHE 911 TARGA 4S owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

2021 PORSCHE 911 TARGA 4S Fuel Costs

The 2981cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 PORSCHE 911 TARGA 4S?

Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 PORSCHE 911 TARGA 4S

At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.

Alternatives to the 2021 PORSCHE 911 TARGA 4S

The PORSCHE 911 TARGA 4S is actually the most reliable option among similar petrol luxurys from this era. Here are comparable petrol cars with similar engines: