Audi A5 S Line 40 TDI MHEV Quat Sa

Reliability, estimated running costs, and MOT data across 2 model years from 456 MOT tests in 2024.

Avg Pass Rate

98%

Total Tests

456

Model Years

2020 to 2021

Years Covered

About the Audi A5 S Line 40 TDI MHEV Quat Sa

The Audi A5 S Line 40 TDI MHEV Quat Sa was MOT tested 456 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 98%. That's comfortably above the average of 82% across all models in our data. Our records list diesel versions.

Mileage Across Years

The oldest model in our data (2020) averages 38,733 miles, while the newest (2021) averages 31,649 miles.

Compared to the Audi brand average of 90%, the A5 S Line 40 TDI MHEV Quat Sa performs 8 points better, making it one of the more reliable options in the Audi range.

Estimated Running Costs

Fuel (Diesel, 1968cc)

£1,397

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£1,852

Per month£154/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 A5 S Line 40 TDI MHEV Quat Sa?

vs average of all models+16% (82% avg)

vs Audi brand average+8% (90% avg)

Audi A5 S Line 40 TDI MHEV Quat Sa by Year

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

Year	Pass Rate	Tests	Avg Mileage
2021	96%	412	31,649 mi
2020	100%	44	38,733 mi

Questions about the Audi A5 S Line 40 TDI MHEV Quat Sa

Is the Audi A5 S Line 40 TDI MHEV Quat Sa reliable?

Across its 2 model years in our data (2020 to 2021), the Audi A5 S Line 40 TDI MHEV Quat Sa averages a 98% MOT pass rate, from 456 tests (DVSA MOT data for tests in 2024, retests included). That's 16 points above the average of 82% across all models in the same data.