AUDI A5 S LINE ED 1 35 TDI MHEV SA (2021)
Running costs, common problems, and reliability data based on 118 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
118
Avg Mileage
37,449 mi
Est. Annual Cost
£1,482
Is the 2021 AUDI A5 S LINE ED 1 35 TDI MHEV SA reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%.
At 3 years old, 93% of AUDI A5 S LINE ED 1 35 TDI MHEV SAs from 2021 passed their MOT first time in 2024. That's based on 118 tests across the UK. The average mileage at this age is 37,449 miles.
How does the 2021 AUDI A5 S LINE ED 1 35 TDI MHEV SA compare?
Mileage Analysis
The average 2021 AUDI A5 S LINE ED 1 35 TDI MHEV SA has 37,449 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.
Best year to buy a AUDI A5 S LINE ED 1 35 TDI MHEV SA?
The most reliable year is the 2020 model with a 93% MOT pass rate, while the 2021 model has the lowest at 93%. Consider a different year if reliability is a priority.
How much does a 2021 AUDI A5 S LINE ED 1 35 TDI 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 A5 S LINE ED 1 35 TDI MHEV SA by Year
Checking a specific AUDI A5 S LINE ED 1 35 TDI MHEV SA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 AUDI A5 S LINE ED 1 35 TDI MHEV SA
The 2021 AUDI A5 S LINE ED 1 35 TDI MHEV SA is a premium with a 1968cc diesel engine. 118 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 37,449 miles at 3 years old, AUDI A5 S LINE ED 1 35 TDI 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 A5 S LINE ED 1 35 TDI 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 A5 S LINE ED 1 35 TDI 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 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI A5 S LINE ED 1 35 TDI 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 A5 S LINE ED 1 35 TDI MHEV SA
The AUDI A5 S LINE ED 1 35 TDI MHEV SA 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 (-4%) from 93,803 tests
- FORD KUGA (2019) 91% pass rate (-2%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-4%) from 65,751 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-6%) from 59,814 tests