CarCostCheck

Audi A6 S Line 40 TDI MHEV S-A

Reliability, estimated running costs, and MOT data across 1 model year from 260 MOT tests in 2024.

Avg Pass Rate

91%

Total Tests

260

Model Year

2021

Years Covered

1

About the Audi A6 S Line 40 TDI MHEV S-A

The Audi A6 S Line 40 TDI MHEV S-A was MOT tested 260 times in 2024 (DVSA data, retests included) across 1 model year (2021), with an average pass rate of 91%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

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 Line 40 TDI MHEV S-A?

vs average of all models+9% (82% avg)
vs Audi brand average+1% (90% avg)

Audi A6 S Line 40 TDI MHEV S-A by Year

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

YearPass RateTestsAvg Mileage
202191%26031,530 mi

Questions about the Audi A6 S Line 40 TDI MHEV S-A

Is the Audi A6 S Line 40 TDI MHEV S-A reliable?

Across its 1 model year in our data (2021), the Audi A6 S Line 40 TDI MHEV S-A averages a 91% MOT pass rate, from 260 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data.

Audi A6 S Line 40 TDI MHEV S-A Guides & Articles

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