CarCostCheck

Audi A6 S LN BLK ED45TFSI MHEV Q Sa

Reliability, estimated running costs, and MOT data across 2 model years from 657 MOT tests in 2024.

Avg Pass Rate

95%

Total Tests

657

Highest Pass Rate

2020 (98%)

Years Covered

2

About the Audi A6 S LN BLK ED45TFSI MHEV Q Sa

The Audi A6 S LN BLK ED45TFSI MHEV Q Sa was MOT tested 657 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 petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2020 model has the highest pass rate at 98% from 132 tests. The 2021 model has the lowest at 91%. The 7 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2020) averages 31,434 miles, while the newest (2021) averages 28,177 miles.

Compared to the Audi brand average of 90%, the A6 S LN BLK ED45TFSI MHEV Q Sa performs 5 points better, making it one of the more reliable options in the Audi range.

Estimated Running Costs

Fuel (Petrol, 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 LN BLK ED45TFSI MHEV Q Sa?

vs average of all models+13% (82% avg)
vs Audi brand average+5% (90% avg)
Best to worst year spread7 percentage points

Audi A6 S LN BLK ED45TFSI MHEV Q Sa by Year

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

YearPass RateTestsAvg Mileage
202191%52528,177 mi
202098%13231,434 mi

Questions about the Audi A6 S LN BLK ED45TFSI MHEV Q Sa

Is the Audi A6 S LN BLK ED45TFSI MHEV Q Sa reliable?

Across its 2 model years in our data (2020 to 2021), the Audi A6 S LN BLK ED45TFSI MHEV Q Sa averages a 95% MOT pass rate, from 657 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 2020 model has the highest pass rate of the years with at least 100 tests, at 98%.

Which year Audi A6 S LN BLK ED45TFSI MHEV Q Sa has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Audi A6 S LN BLK ED45TFSI MHEV Q Sa has the highest MOT pass rate at 98%, while the 2021 model has the lowest at 91%, a 7 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Audi A6 S LN BLK ED45TFSI MHEV Q Sa Guides & Articles

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