CarCostCheck

BMW 740 (2021)

Running costs, common problems, and reliability data based on 253 real MOT tests in 2024.

MOT Pass Rate

97%

Total Tests (2024)

253

Avg Mileage

36,282 mi

Est. Annual Cost

£2,037

Is the 2021 BMW 740 reliable?

Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the BMW brand average of 88%.

At 3 years old, 97% of BMW 740s from 2021 passed their MOT first time in 2024. That's based on 253 tests across the UK. The average mileage at this age is 36,282 miles.

How does the 2021 BMW 740 compare?

Rank among all 2021 cars353th out of 3,373(top 10%)
Rank among all BMW models99th out of 1,564(top 6%)
vs national average+15% (82% avg)
vs 2021 cars average+5% (92% avg)
vs BMW average+9% (88% avg)

Mileage Analysis

The average 2021 BMW 740 has 36,282 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.

Best year to buy a BMW 740?

The most reliable year is the 2020 model with a 97% MOT pass rate, while the 1995 model has the lowest at 72%. The 2021 sits between the two at 97%.

How much does a 2021 BMW 740 cost to run?

Fuel (Petrol, 2998cc)
£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 740 by Year

YearPass RateTestsAvg Mileage
202197%25336,282 mi
202097%71540,432 mi
201995%1,24153,056 mi
201893%1,44262,534 mi
201791%95171,078 mi
201694%1,20376,827 mi
201592%31768,035 mi
201491%21486,689 mi
201390%13897,147 mi
201290%120106,102 mi
201187%160113,817 mi
201089%179106,897 mi
200985%216114,608 mi
200888%4187,993 mi
200686%57102,858 mi
200584%5699,566 mi
200185%98128,466 mi
200085%131118,861 mi
199986%174130,186 mi
199885%176127,512 mi
199777%160123,204 mi
199688%133135,364 mi
199572%126144,068 mi
199476%55128,943 mi

Checking a specific BMW 740?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

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About the 2021 BMW 740

The 2021 BMW 740 is a premium performance with a 2998cc petrol engine. 253 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 10% of all 2021 cars for reliability.

With an average of 36,282 miles at 3 years old, BMW 740 owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

2021 BMW 740 Fuel Costs

The 2998cc 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 740?

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 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

BMW 740 Reliability Trend

Newer BMW 740s show better MOT pass rates than older ones, with an average improvement of 10 percentage points.

Buying a Used 2021 BMW 740

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 2020 model has the highest pass rate at 97%.

Alternatives to the 2021 BMW 740

The BMW 740 is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines: