AUDI A6 SLN BLK ED 55TFSI MHEV Q SA (2021)
Running costs, common problems, and reliability data based on 89 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
89
Avg Mileage
26,916 mi
Est. Annual Cost
£2,037
Is the 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA reliable?
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 3 years old, 97% of AUDI A6 SLN BLK ED 55TFSI MHEV Q SAs from 2021 passed their MOT first time in 2024. That's based on 89 tests across the UK. The average mileage at this age is 26,916 miles.
How does the 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA compare?
Mileage Analysis
The average 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA has 26,916 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a AUDI A6 SLN BLK ED 55TFSI MHEV Q SA?
The most reliable year is the 2020 model with a 100% MOT pass rate, while the 2021 model has the lowest at 97%. Consider a different year if reliability is a priority.
How much does a 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q 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 A6 SLN BLK ED 55TFSI MHEV Q SA by Year
Checking a specific AUDI A6 SLN BLK ED 55TFSI MHEV Q SA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA
The 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA is a premium performance with a 2995cc petrol engine. 89 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 12% of all 2021 cars for reliability.
With an average of 26,916 miles at 3 years old, AUDI A6 SLN BLK ED 55TFSI MHEV Q SA owners cover more miles than the average driver.
2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA Fuel Costs
The 2995cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q 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. Note: with only 89 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 AUDI A6 SLN BLK ED 55TFSI MHEV Q SA
The AUDI A6 SLN BLK ED 55TFSI MHEV Q SA is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2019) 92% pass rate (-5%) from 33,766 tests
- BMW X3 (2019) 92% pass rate (-5%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-4%) from 30,341 tests
- BMW X5 (2019) 92% pass rate (-5%) from 23,506 tests