AUDI A7 S LINE 40 TDI MHEV S-A (2021)
Running costs, common problems, and reliability data based on 100 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
100
Avg Mileage
38,507 mi
Est. Annual Cost
£1,482
Is the 2021 AUDI A7 S LINE 40 TDI MHEV S-A reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 3 years old, 96% of AUDI A7 S LINE 40 TDI MHEV S-As from 2021 passed their MOT first time in 2024. That's based on 100 tests across the UK. The average mileage at this age is 38,507 miles.
How does the 2021 AUDI A7 S LINE 40 TDI MHEV S-A compare?
Mileage Analysis
The average 2021 AUDI A7 S LINE 40 TDI MHEV S-A has 38,507 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 A7 S LINE 40 TDI 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.
Checking a specific AUDI A7 S LINE 40 TDI MHEV S-A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 AUDI A7 S LINE 40 TDI MHEV S-A
The 2021 AUDI A7 S LINE 40 TDI MHEV S-A is a premium with a 1968cc diesel engine. 100 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 20% of all 2021 cars for reliability.
With an average of 38,507 miles at 3 years old, AUDI A7 S LINE 40 TDI MHEV 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.
2021 AUDI A7 S LINE 40 TDI MHEV 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 2021 AUDI A7 S LINE 40 TDI MHEV S-A?
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 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI A7 S LINE 40 TDI MHEV S-A
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 A7 S LINE 40 TDI MHEV S-A
The AUDI A7 S LINE 40 TDI MHEV S-A is actually the most reliable option among similar diesel premiums from this era. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-7%) from 93,803 tests
- FORD KUGA (2019) 91% pass rate (-5%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-7%) from 65,751 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-9%) from 59,814 tests