AUDI TT SPORT EDITION 45 TFSI S-A (2021)
Running costs, reliability data, and common problems from 484 real MOT tests.
Annual Cost
£1,777
£148/month
MOT Pass Rate
97%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1984cc Petrol
Great Choice
97% pass rate, £1777/year to run. 15 points above average.
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Annual Running Costs
~36 mpg
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 15 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 5 years old, 97% of AUDI TT SPORT EDITION 45 TFSI S-As from 2021 passed their MOT first time in 2026. That's based on 484 tests across the UK. The average mileage at this age is 20,972 miles.
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How Does It Compare?
Mileage Analysis
20,972
Average miles
37,000
Expected for age
The average 2021 AUDI TT SPORT EDITION 45 TFSI S-A has 20,972 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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Similar Cars to Consider
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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 2026, 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 5 years old, AUDI TT SPORT EDITION 45 TFSI S-A owners tend to use this car less than the typical driver.
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 £1,777 (£148/month), broken down as £1327 fuel, £195 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 5 years old, the AUDI TT SPORT EDITION 45 TFSI S-A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
Based on the 2021 AUDI TT SPORT EDITION 45 TFSI S-A's fuel type, age, and engine size, these are the most likely problem areas to check.
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 AUDI TT SPORT EDITION 45 TFSI S-A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| AUDI TT SPORT EDITION 45 TFSI S-A(2021) | 97% | £1327 | £195 | Grp 18-32 | £1777 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| NISSAN QASHQAI(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| MINI COOPER(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| HYUNDAI TUCSON(2019) | 90% | £1137 | £190 | Grp 12-25 | £1582-£195 |
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.
Related Audi Models
Explore other Audi cars or similar models in the same category.
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VOLKSWAGEN GOLF
2019 · 1498cc Petrol
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2020 · 1598cc Petrol
MINI COOPER
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