Audi A4 Sport Ed 40 TFSI MHEV S-A (2021)
Estimated running costs and MOT pass rates from 117 MOT tests in 2024.
Annual Cost
£2,236
£186/month
MOT Pass Rate
87%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 18-32
1984cc Petrol
Solid Option
87% pass rate, £2,236/year to run. 5 points above average.
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Annual Running Costs
~36 mpg
Standard rate (from April 2017)
Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.
87% of MOT tests on Audi A4 Sport Ed 40 TFSI MHEV S-As from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 117 tests across the UK, retests included. The average mileage recorded at those tests was 30,002 miles.
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How Does It Compare?
Mileage Analysis
30,002
Average miles
22,200
Expected for age
The average 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A had 30,002 miles on the clock at its 2024 MOT, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
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About the 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A
The 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A is a premium car. Our records list a 1984cc petrol engine, though engines vary between versions. 117 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 12% of 2021 models for MOT pass rate.
With an average of 30,002 miles recorded at its 2024 MOT tests, Audi A4 Sport Ed 40 TFSI MHEV S-A owners cover more miles than the average driver.
2021 Audi A4 Sport Ed 40 TFSI MHEV 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 £1,631 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).
What does it cost to own a 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A?
Total estimated annual running cost is £2,236 (£186/month), broken down as £1,631 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A
At 5 years old, the Audi A4 Sport Ed 40 TFSI MHEV 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
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
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 A4 Sport Ed 40 TFSI MHEV S-A stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Audi A4 Sport Ed 40 TFSI MHEV S-A(2021) | 87% | £1,631 | £200 | Grp 18-32 | £2,236 |
| Volkswagen Golf(2019) | 92% | £1,398 | £200 | Grp 12-25 | £1,853-£383 |
| Nissan Qashqai(2020) | 93% | £1,398 | £200 | Grp 12-25 | £1,853-£383 |
| MINI Cooper(2019) | 92% | £1,398 | £200 | Grp 12-25 | £1,853-£383 |
| Hyundai Tucson(2019) | 90% | £1,398 | £200 | Grp 12-25 | £1,853-£383 |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A
Is the 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A reliable?
Good reliability. Occasional issues but generally solid. 87% of MOT tests on 2021 Audi A4 Sport Ed 40 TFSI MHEV S-As ended in a pass, from 117 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data.
How much does a 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A cost to run?
Our estimate is £2,236 a year (£186 a month): £1,631 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A?
87% of 117 MOT tests on the 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2952nd of 3,336 models first registered in 2021 (bottom 12%).
What is the average mileage for a 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A?
The average mileage recorded at MOT tests on the 2021 Audi A4 Sport Ed 40 TFSI MHEV S-A is 30,002 miles, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
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