PORSCHE 911 CARRERA GTS (2021)
Running costs, common problems, and reliability data based on 177 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
177
Avg Mileage
11,997 mi
Est. Annual Cost
£2,037
Is the 2021 PORSCHE 911 CARRERA GTS reliable?
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the PORSCHE brand average of 92%.
At 3 years old, 97% of PORSCHE 911 CARRERA GTSs from 2021 passed their MOT first time in 2024. That's based on 177 tests across the UK. The average mileage at this age is 11,997 miles.
How does the 2021 PORSCHE 911 CARRERA GTS compare?
Mileage Analysis
The average 2021 PORSCHE 911 CARRERA GTS has 11,997 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
How much does a 2021 PORSCHE 911 CARRERA GTS cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
Checking a specific PORSCHE 911 CARRERA GTS?
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About the 2021 PORSCHE 911 CARRERA GTS
The 2021 PORSCHE 911 CARRERA GTS is a luxury with a 2981cc petrol engine. 177 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 11% of all 2021 cars for reliability.
With an average of 11,997 miles at 3 years old, PORSCHE 911 CARRERA GTS owners tend to use this car less than the typical driver.
2021 PORSCHE 911 CARRERA GTS 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 CARRERA GTS?
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 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 PORSCHE 911 CARRERA GTS
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 CARRERA GTS
The PORSCHE 911 CARRERA GTS is actually the most reliable option among similar petrol luxurys from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2019) 92% pass rate (-5%) from 33,766 tests
- BMW X3 (2019) 92% pass rate (-5%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-4%) from 30,341 tests
- BMW X5 (2019) 92% pass rate (-5%) from 23,506 tests