CarCostCheck

AUDI A4 SPORT EDITION 30TDI MHEV SA (2021)

Running costs, common problems, and reliability data based on 87 real MOT tests in 2024.

MOT Pass Rate

90%

Total Tests (2024)

87

Avg Mileage

48,759 mi

Est. Annual Cost

£1,482

Is the 2021 AUDI A4 SPORT EDITION 30TDI MHEV SA reliable?

Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.

At 3 years old, 90% of AUDI A4 SPORT EDITION 30TDI MHEV SAs from 2021 passed their MOT first time in 2024. That's based on 87 tests across the UK. The average mileage at this age is 48,759 miles.

How does the 2021 AUDI A4 SPORT EDITION 30TDI MHEV SA compare?

Rank among all 2021 cars2603th out of 3,373(top 77%)
Rank among all AUDI models709th out of 1,079(top 66%)
vs national average+8% (82% avg)
vs 2021 cars average-2% (92% avg)
vs AUDI average+0% (90% avg)

Mileage Analysis

The average 2021 AUDI A4 SPORT EDITION 30TDI MHEV SA has 48,759 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 A4 SPORT EDITION 30TDI MHEV SA cost to run?

Fuel (Diesel, 1968cc)
£1,037
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,482
Per month£124/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 SPORT EDITION 30TDI MHEV SA

The 2021 AUDI A4 SPORT EDITION 30TDI MHEV SA is a premium with a 1968cc diesel engine. 87 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 77% of 2021 cars for MOT pass rates.

With an average of 48,759 miles at 3 years old, AUDI A4 SPORT EDITION 30TDI 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 A4 SPORT EDITION 30TDI 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 A4 SPORT EDITION 30TDI 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 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 AUDI A4 SPORT EDITION 30TDI 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. Note: with only 87 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 AUDI A4 SPORT EDITION 30TDI MHEV SA

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines: