CarCostCheck

Audi A6 S Line 45 TFSI MHEV Quat Sa

Reliability, estimated running costs, and MOT data across 2 model years from 226 MOT tests in 2024.

Avg Pass Rate

91%

Total Tests

226

Model Years

2020 to 2021

Years Covered

2

About the Audi A6 S Line 45 TFSI MHEV Quat Sa

The Audi A6 S Line 45 TFSI MHEV Quat Sa was MOT tested 226 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 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.

Mileage Across Years

The oldest model in our data (2020) averages 28,932 miles, while the newest (2021) averages 26,445 miles.

Estimated Running Costs

Fuel (Petrol, 1984cc)
£1,631
Road Tax
£200
MOT Test
£55
Predicted Repairs
£350
Total per year£2,236
Per month£186/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 45 TFSI MHEV Quat Sa?

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

Audi A6 S Line 45 TFSI MHEV Quat Sa by Year

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

YearPass RateTestsAvg Mileage
202189%16626,445 mi
202092%6028,932 mi

Questions about the Audi A6 S Line 45 TFSI MHEV Quat Sa

Is the Audi A6 S Line 45 TFSI MHEV Quat Sa reliable?

Across its 2 model years in our data (2020 to 2021), the Audi A6 S Line 45 TFSI MHEV Quat Sa averages a 91% MOT pass rate, from 226 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 45 TFSI MHEV Quat Sa Guides & Articles

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