AUDI A3 S LINE 35 TFSI MHEV S-A (2020)
Running costs, common problems, and reliability data based on 3,723 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
3,723
Avg Mileage
29,860 mi
Est. Annual Cost
£1,582
Is the 2020 AUDI A3 S LINE 35 TFSI MHEV S-A reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 4 years old, 94% of AUDI A3 S LINE 35 TFSI MHEV S-As from 2020 passed their MOT first time in 2024. That's based on 3,723 tests across the UK. The average mileage at this age is 29,860 miles.
How does the 2020 AUDI A3 S LINE 35 TFSI MHEV S-A compare?
Mileage Analysis
The average 2020 AUDI A3 S LINE 35 TFSI MHEV S-A has 29,860 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
Best year to buy a AUDI A3 S LINE 35 TFSI MHEV S-A?
The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2021 model has the lowest at 93%. The 2020 sits between the two at 94%.
How much does a 2020 AUDI A3 S LINE 35 TFSI MHEV S-A cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
AUDI A3 S LINE 35 TFSI MHEV S-A by Year
Checking a specific AUDI A3 S LINE 35 TFSI MHEV S-A?
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About the 2020 AUDI A3 S LINE 35 TFSI MHEV S-A
The 2020 AUDI A3 S LINE 35 TFSI MHEV S-A is a premium with a 1498cc petrol engine. 3,723 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 29,860 miles at 4 years old, AUDI A3 S LINE 35 TFSI MHEV S-A owners drive about as much as the UK average.
2020 AUDI A3 S LINE 35 TFSI MHEV S-A Fuel Costs
The 1498cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 AUDI A3 S LINE 35 TFSI MHEV S-A?
Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
AUDI A3 S LINE 35 TFSI MHEV S-A Reliability Trend
The AUDI A3 S LINE 35 TFSI MHEV S-A has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2020 AUDI A3 S LINE 35 TFSI MHEV S-A
At 4 years old, the AUDI A3 S LINE 35 TFSI MHEV S-A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 96%.
Alternatives to the 2020 AUDI A3 S LINE 35 TFSI MHEV S-A
The AUDI A3 S LINE 35 TFSI MHEV S-A is actually the most reliable option among similar petrol premiums from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2018) 90% pass rate (-4%) from 157,746 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (-2%) from 89,653 tests
- VAUXHALL CORSA (2018) 85% pass rate (-9%) from 86,266 tests
- NISSAN QASHQAI (2018) 87% pass rate (-7%) from 78,522 tests