AUDI Q8 SLN BLK ED 55TFSI MHEV QT A (2021)
Running costs, common problems, and reliability data based on 400 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
400
Avg Mileage
30,571 mi
Est. Annual Cost
£2,037
Is the 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT A reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 3 years old, 94% of AUDI Q8 SLN BLK ED 55TFSI MHEV QT As from 2021 passed their MOT first time in 2024. That's based on 400 tests across the UK. The average mileage at this age is 30,571 miles.
How does the 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT A compare?
Mileage Analysis
The average 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT A has 30,571 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.
How much does a 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT 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 Q8 SLN BLK ED 55TFSI MHEV QT A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT A
The 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT A is a premium performance with a 2995cc petrol engine. 400 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 30,571 miles at 3 years old, AUDI Q8 SLN BLK ED 55TFSI MHEV QT A owners cover more miles than the average driver.
2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT A 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 Q8 SLN BLK ED 55TFSI MHEV QT A?
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 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI Q8 SLN BLK ED 55TFSI MHEV QT 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 Q8 SLN BLK ED 55TFSI MHEV QT A
The AUDI Q8 SLN BLK ED 55TFSI MHEV QT A 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 (-2%) from 33,766 tests
- BMW X3 (2019) 92% pass rate (-2%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-1%) from 30,341 tests
- BMW X5 (2019) 92% pass rate (-2%) from 23,506 tests