CarCostCheck

BMW 730D M SPORT MHEV AUTO (2021)

Running costs, common problems, and reliability data based on 473 real MOT tests in 2024.

MOT Pass Rate

94%

Total Tests (2024)

473

Avg Mileage

32,137 mi

Est. Annual Cost

£2,037

Is the 2021 BMW 730D M SPORT MHEV AUTO reliable?

Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the BMW brand average of 88%.

At 3 years old, 94% of BMW 730D M SPORT MHEV AUTOs from 2021 passed their MOT first time in 2024. That's based on 473 tests across the UK. The average mileage at this age is 32,137 miles.

How does the 2021 BMW 730D M SPORT MHEV AUTO compare?

Rank among all 2021 cars1247th out of 3,373(top 37%)
Rank among all BMW models269th out of 1,564(top 17%)
vs national average+12% (82% avg)
vs 2021 cars average+2% (92% avg)
vs BMW average+6% (88% avg)

Mileage Analysis

The average 2021 BMW 730D M SPORT MHEV AUTO has 32,137 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 BMW 730D M SPORT MHEV AUTO?

The most reliable year is the 2022 model with a 100% MOT pass rate, while the 2020 model has the lowest at 93%. The 2021 sits between the two at 94%.

How much does a 2021 BMW 730D M SPORT MHEV AUTO cost to run?

Fuel (Petrol, 2993cc)
£1,592
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£2,037
Per month£170/mo

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

BMW 730D M SPORT MHEV AUTO by Year

YearPass RateTestsAvg Mileage
2022100%8518,154 mi
202194%47332,137 mi
202093%8734,483 mi

Checking a specific BMW 730D M SPORT MHEV AUTO?

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About the 2021 BMW 730D M SPORT MHEV AUTO

The 2021 BMW 730D M SPORT MHEV AUTO is a premium performance with a 2993cc petrol engine. 473 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 32,137 miles at 3 years old, BMW 730D M SPORT MHEV AUTO owners cover more miles than the average driver.

2021 BMW 730D M SPORT MHEV AUTO Fuel Costs

The 2993cc 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 BMW 730D M SPORT MHEV AUTO?

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.

BMW 730D M SPORT MHEV AUTO Reliability Trend

Newer BMW 730D M SPORT MHEV AUTOs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2021 BMW 730D M SPORT MHEV AUTO

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. If you're flexible on year, the 2022 model has the highest pass rate at 100%.

Alternatives to the 2021 BMW 730D M SPORT MHEV AUTO

The BMW 730D M SPORT MHEV AUTO is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines: