CarCostCheck

AUDI A4 SLN BLK ED 45TFSI MHEV Q SA (2021)

Running costs, common problems, and reliability data based on 86 real MOT tests in 2024.

MOT Pass Rate

87%

Total Tests (2024)

86

Avg Mileage

26,048 mi

Est. Annual Cost

£1,922

Is the 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 3 years old, 87% of AUDI A4 SLN BLK ED 45TFSI MHEV Q SAs from 2021 passed their MOT first time in 2024. That's based on 86 tests across the UK. The average mileage at this age is 26,048 miles.

How does the 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA compare?

Rank among all 2021 cars2994th out of 3,373(top 89%)
Rank among all AUDI models833th out of 1,079(top 77%)
vs national average+5% (82% avg)
vs 2021 cars average-5% (92% avg)
vs AUDI average-3% (90% avg)

Mileage Analysis

The average 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA has 26,048 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA cost to run?

Fuel (Petrol, 1984cc)
£1,327
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,922
Per month£160/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

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About the 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA

The 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA is a premium with a 1984cc petrol engine. 86 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 89% of 2021 cars for MOT pass rates.

With an average of 26,048 miles at 3 years old, AUDI A4 SLN BLK ED 45TFSI MHEV Q SA owners drive about as much as the UK average.

2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA Fuel Costs

The 1984cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 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 A4 SLN BLK ED 45TFSI MHEV Q SA?

Total estimated annual running cost is £1,922 160/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2021 AUDI A4 SLN BLK ED 45TFSI 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 86 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 AUDI A4 SLN BLK ED 45TFSI MHEV Q SA

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines: