AUDI A4 S LINE 30 TDI S-A (2020)
Running costs, common problems, and reliability data based on 274 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
274
Avg Mileage
54,187 mi
Est. Annual Cost
£1,632
Is the 2020 AUDI A4 S LINE 30 TDI S-A reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 4 years old, 89% of AUDI A4 S LINE 30 TDI S-As from 2020 passed their MOT first time in 2024. That's based on 274 tests across the UK. The average mileage at this age is 54,187 miles.
How does the 2020 AUDI A4 S LINE 30 TDI S-A compare?
Mileage Analysis
The average 2020 AUDI A4 S LINE 30 TDI S-A has 54,187 miles on the clock, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2020 AUDI A4 S LINE 30 TDI 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.
Checking a specific AUDI A4 S LINE 30 TDI S-A?
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About the 2020 AUDI A4 S LINE 30 TDI S-A
The 2020 AUDI A4 S LINE 30 TDI S-A is a premium with a 1968cc diesel engine. 274 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 77% of 2020 cars for MOT pass rates.
With an average of 54,187 miles at 4 years old, AUDI A4 S LINE 30 TDI S-A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2020 AUDI A4 S LINE 30 TDI S-A Fuel Costs
The 1968cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 AUDI A4 S LINE 30 TDI S-A?
Total estimated annual running cost is £1,632 (£136/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2020 AUDI A4 S LINE 30 TDI S-A
At 4 years old, the AUDI A4 S LINE 30 TDI 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.
Alternatives to the 2020 AUDI A4 S LINE 30 TDI S-A
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2018) 92% pass rate (+3%) from 111,972 tests
- FORD FOCUS (2019) 89% pass rate (same) from 93,803 tests
- VOLKSWAGEN POLO (2018) 84% pass rate (-5%) from 79,867 tests
- FORD KUGA (2019) 91% pass rate (+2%) from 72,831 tests