AUDI Q3 S LINE ED 1 40 TDI QUAT SA (2021)
Running costs, common problems, and reliability data based on 76 real MOT tests in 2024.
MOT Pass Rate
99%
Total Tests (2024)
76
Avg Mileage
35,026 mi
Est. Annual Cost
£1,482
Is the 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT SA reliable?
Excellent reliability. Very few MOT failures. That's 17 points above the national average of 82%. It also outperforms the AUDI brand average of 90%.
At 3 years old, 99% of AUDI Q3 S LINE ED 1 40 TDI QUAT SAs from 2021 passed their MOT first time in 2024. That's based on 76 tests across the UK. The average mileage at this age is 35,026 miles.
How does the 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT SA compare?
Mileage Analysis
The average 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT SA has 35,026 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 Q3 S LINE ED 1 40 TDI QUAT 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 Q3 S LINE ED 1 40 TDI QUAT SA by Year
Checking a specific AUDI Q3 S LINE ED 1 40 TDI QUAT SA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT SA
The 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT SA is a premium with a 1968cc diesel engine. 76 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 4% of all 2021 cars for reliability.
With an average of 35,026 miles at 3 years old, AUDI Q3 S LINE ED 1 40 TDI QUAT 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 Q3 S LINE ED 1 40 TDI QUAT 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 Q3 S LINE ED 1 40 TDI QUAT 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 99% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT 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 76 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 AUDI Q3 S LINE ED 1 40 TDI QUAT SA
The AUDI Q3 S LINE ED 1 40 TDI QUAT 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 (-10%) from 93,803 tests
- FORD KUGA (2019) 91% pass rate (-8%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-10%) from 65,751 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-12%) from 59,814 tests