CarCostCheck

AUDI TT SPORT EDITION 45 TFSI S-A (2021)

Running costs, common problems, and reliability data based on 484 real MOT tests in 2024.

MOT Pass Rate

97%

Total Tests (2024)

484

Avg Mileage

20,972 mi

Est. Annual Cost

£1,772

Is the 2021 AUDI TT SPORT EDITION 45 TFSI S-A reliable?

Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.

At 3 years old, 97% of AUDI TT SPORT EDITION 45 TFSI S-As from 2021 passed their MOT first time in 2024. That's based on 484 tests across the UK. The average mileage at this age is 20,972 miles.

How does the 2021 AUDI TT SPORT EDITION 45 TFSI S-A compare?

Rank among all 2021 cars328th out of 3,373(top 10%)
Rank among all AUDI models93th out of 1,079(top 9%)
vs national average+15% (82% avg)
vs 2021 cars average+5% (92% avg)
vs AUDI average+7% (90% avg)

Mileage Analysis

The average 2021 AUDI TT SPORT EDITION 45 TFSI S-A has 20,972 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 AUDI TT SPORT EDITION 45 TFSI S-A cost to run?

Fuel (Petrol, 1984cc)
£1,327
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,772
Per month£148/mo

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

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About the 2021 AUDI TT SPORT EDITION 45 TFSI S-A

The 2021 AUDI TT SPORT EDITION 45 TFSI S-A is a premium with a 1984cc petrol engine. 484 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 10% of all 2021 cars for reliability.

With an average of 20,972 miles at 3 years old, AUDI TT SPORT EDITION 45 TFSI S-A owners drive about as much as the UK average.

2021 AUDI TT SPORT EDITION 45 TFSI S-A Fuel Costs

The 1984cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 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 AUDI TT SPORT EDITION 45 TFSI S-A?

Total estimated annual running cost is £1,772 148/month), broken down as £1327 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 AUDI TT SPORT EDITION 45 TFSI S-A

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 AUDI TT SPORT EDITION 45 TFSI S-A

The AUDI TT SPORT EDITION 45 TFSI S-A is actually the most reliable option among similar petrol premiums from this era. Here are comparable petrol cars with similar engines: