AUDI A4 S LN BLACK ED 35TDI MHEV SA (2021)
Running costs, common problems, and reliability data based on 1,401 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
1,401
Avg Mileage
36,262 mi
Est. Annual Cost
£1,482
Is the 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 3 years old, 90% of AUDI A4 S LN BLACK ED 35TDI MHEV SAs from 2021 passed their MOT first time in 2024. That's based on 1,401 tests across the UK. The average mileage at this age is 36,262 miles.
How does the 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA compare?
Mileage Analysis
The average 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA has 36,262 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA 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 A4 S LN BLACK ED 35TDI MHEV SA by Year
Checking a specific AUDI A4 S LN BLACK ED 35TDI MHEV SA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA
The 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA is a premium with a 1968cc diesel engine. 1,401 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 36,262 miles at 3 years old, AUDI A4 S LN BLACK ED 35TDI MHEV SA owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA 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 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
Alternatives to the 2021 AUDI A4 S LN BLACK ED 35TDI MHEV SA
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-1%) from 93,803 tests
- FORD KUGA (2019) 91% pass rate (+1%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-1%) from 65,751 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-3%) from 59,814 tests