CarCostCheck

Audi A6 S Line 50 TFSI E Quattro Sa

Reliability, estimated running costs, and MOT data across 2 model years from 389 MOT tests in 2024.

Avg Pass Rate

95%

Total Tests

389

Highest Pass Rate

2021 (96%)

Years Covered

2

About the Audi A6 S Line 50 TFSI E Quattro Sa

The Audi A6 S Line 50 TFSI E Quattro Sa was MOT tested 389 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 95%. That's comfortably above the average of 82% across all models in our data. Our records list hybrid versions.

Best and Worst Years

Of the years with at least 100 tests, the 2021 model has the highest pass rate at 96% from 186 tests. The 2020 model has the lowest at 94%. With just a 2 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2020) averages 49,443 miles, while the newest (2021) averages 46,812 miles.

Compared to the Audi brand average of 90%, the A6 S Line 50 TFSI E Quattro Sa performs 5 points better, making it one of the more reliable options in the Audi range.

Estimated Running Costs

Fuel (Hybrid, 1984cc)
£1,631
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£2,086
Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Audi A6 S Line 50 TFSI E Quattro Sa?

vs average of all models+13% (82% avg)
vs Audi brand average+5% (90% avg)
Best to worst year spread2 percentage points

Audi A6 S Line 50 TFSI E Quattro Sa by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202196%18646,812 mi
202094%20349,443 mi

Questions about the Audi A6 S Line 50 TFSI E Quattro Sa

Is the Audi A6 S Line 50 TFSI E Quattro Sa reliable?

Across its 2 model years in our data (2020 to 2021), the Audi A6 S Line 50 TFSI E Quattro Sa averages a 95% MOT pass rate, from 389 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 96%.

Which year Audi A6 S Line 50 TFSI E Quattro Sa has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 Audi A6 S Line 50 TFSI E Quattro Sa has the highest MOT pass rate at 96%, while the 2020 model has the lowest at 94%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Audi A6 S Line 50 TFSI E Quattro Sa Guides & Articles

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