AUDI A1 S LINE BLACK ED 25 TFSI S-A (2021)
Running costs, reliability data, and common problems from 605 real MOT tests.
Annual Cost
£1,555
£130/month
MOT Pass Rate
89%
Good
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
999cc Petrol
Solid Option
89% pass rate, £1555/year to run. 7 points above average.
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Annual Running Costs
~50 mpg
Flat rate (post-2017)
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
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 5 years old, 89% of AUDI A1 S LINE BLACK ED 25 TFSI S-As from 2021 passed their MOT first time in 2026. That's based on 605 tests across the UK. The average mileage at this age is 32,917 miles.
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How Does It Compare?
Mileage Analysis
32,917
Average miles
37,000
Expected for age
The average 2021 AUDI A1 S LINE BLACK ED 25 TFSI S-A has 32,917 miles on the clock, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
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Similar Cars to Consider
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About the 2021 AUDI A1 S LINE BLACK ED 25 TFSI S-A
The 2021 AUDI A1 S LINE BLACK ED 25 TFSI S-A is a premium with a 999cc petrol engine. 605 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. It sits in the bottom 80% of 2021 cars for MOT pass rates.
With an average of 32,917 miles at 5 years old, AUDI A1 S LINE BLACK ED 25 TFSI S-A owners drive about as much as the UK average.
2021 AUDI A1 S LINE BLACK ED 25 TFSI S-A Fuel Costs
The modest 999cc petrol engine keeps fuel costs low, which is a real advantage for a premium. Expect around 50 mpg in mixed driving, which works out to roughly £955 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 A1 S LINE BLACK ED 25 TFSI S-A?
Total estimated annual running cost is £1,555 (£130/month), broken down as £955 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 AUDI A1 S LINE BLACK ED 25 TFSI S-A
At 5 years old, the AUDI A1 S LINE BLACK ED 25 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 A1 S LINE BLACK ED 25 TFSI S-A's fuel type, age, and engine size, these are the most likely problem areas to check.
Coil Pack Failure
Medium riskSmaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.
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 A1 S LINE BLACK ED 25 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 A1 S LINE BLACK ED 25 TFSI S-A(2021) | 89% | £955 | £195 | Grp 1-8 | £1555 |
| FORD FIESTA(2019) | 91% | £955 | £190 | Grp 1-8 | £1400-£155 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582+£27 |
| VAUXHALL CORSA(2019) | 88% | £1137 | £190 | Grp 8-20 | £1732+£177 |
| MINI COOPER(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582+£27 |
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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2019 · 998cc Petrol
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