BMW 430D Xdrive M Sport MHEV Auto (2021)

Estimated running costs and MOT pass rates from 378 MOT tests in 2024.

Annual Cost

£2,281

£190/month

MOT Pass Rate

87%

Good

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 30-42

2993cc Diesel hybrid

Solid Option

87% pass rate, £2,281/year to run. 5 points above average.

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Diesel hybrid2993cc5 years old378 tests30k miles avg

Annual Running Costs

Fuel (Diesel hybrid, 2993cc)

~40 mpg (diesel-engine estimate; hybrids usually use less)

£1,676

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£2,281

Per month£190/mo

Per week£44/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

87% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.

87% of MOT tests on BMW 430D Xdrive M Sport MHEV Autos from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 378 tests across the UK, retests included. The average mileage recorded at those tests was 29,635 miles.

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How Does It Compare?

Rank among 2021 models2920th of 3,336(bottom 13%)

Rank among BMW models1010th of 1,548(bottom half)

vs average of all models+5%(82% avg)

vs 2021 models average-5%(92% avg)

vs BMW average-1%(88% avg)

Mileage Analysis

29,635

Average miles

22,200

Expected for age

The average 2021 BMW 430D Xdrive M Sport MHEV Auto had 29,635 miles on the clock at its 2024 MOT, 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.

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BMW 430D Xdrive M Sport MHEV Auto by Year

Year	Pass Rate	Tests	Avg Mileage
2022	100%	45	31,814 mi
2021	87%	378	29,635 mi

Similar Cars to Consider

Land Rover Range Rover Velar

2020 · 3000cc Diesel hybrid

£2,131/year

92%

+5%

BMW X5 XDRIVE30D M Sport MHEV Auto

2021 · 2993cc Diesel hybrid

£2,131/year

92%

+5%

BMW M340D Xdrive MHEV Auto

2021 · 2993cc Diesel hybrid

£2,131/year

92%

+5%

BMW 530D Xdrive M Sport MHEV Auto

2021 · 2993cc Diesel hybrid

£2,281/year

89%

+2%

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About the 2021 BMW 430D Xdrive M Sport MHEV Auto

The 2021 BMW 430D Xdrive M Sport MHEV Auto is a premium performance car. Our records list a 2993cc diesel hybrid engine, though engines vary between versions. 378 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It sits in the bottom 13% of 2021 models for MOT pass rate.

With an average of 29,635 miles recorded at its 2024 MOT tests, BMW 430D Xdrive M Sport MHEV Auto owners cover more miles than the average driver.

2021 BMW 430D Xdrive M Sport MHEV Auto Fuel Costs

The 2993cc diesel hybrid engine is on the larger side, so fuel won't be this car's strong point. Our estimate uses around 40 mpg, the figure for a diesel engine of this size, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.

What does it cost to own a 2021 BMW 430D Xdrive M Sport MHEV Auto?

Total estimated annual running cost is £2,281 (£190/month), broken down as £1,676 fuel, £200 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 BMW 430D Xdrive M Sport MHEV Auto

At 5 years old, the BMW 430D Xdrive M Sport MHEV Auto offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Hybrid Battery Health

Medium risk

After 5 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.

Inverter and Power Electronics

Low risk

The inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.

Regenerative Braking

Medium risk

Brake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2021 BMW 430D Xdrive M Sport MHEV Auto stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
BMW 430D Xdrive M Sport MHEV Auto(2021)	87%	£1,676	£200	Grp 30-42	£2,281
Land Rover Range Rover Velar(2020)	92%	£1,676	£200	Grp 30-42	£2,131-£150
BMW X5 XDRIVE30D M Sport MHEV Auto(2021)	92%	£1,676	£200	Grp 30-42	£2,131-£150
BMW M340D Xdrive MHEV Auto(2021)	92%	£1,676	£200	Grp 30-42	£2,131-£150
BMW 530D Xdrive M Sport MHEV Auto(2021)	89%	£1,676	£200	Grp 30-42	£2,281same

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2021 BMW 430D Xdrive M Sport MHEV Auto

Is the 2021 BMW 430D Xdrive M Sport MHEV Auto reliable?

Good reliability. Occasional issues but generally solid. 87% of MOT tests on 2021 BMW 430D Xdrive M Sport MHEV Autos ended in a pass, from 378 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data.

How much does a 2021 BMW 430D Xdrive M Sport MHEV Auto cost to run?

Our estimate is £2,281 a year (£190 a month): £1,676 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2021 BMW 430D Xdrive M Sport MHEV Auto?

87% of 378 MOT tests on the 2021 BMW 430D Xdrive M Sport MHEV Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2920th of 3,336 models first registered in 2021 (bottom 13%).

What is the average mileage for a 2021 BMW 430D Xdrive M Sport MHEV Auto?

The average mileage recorded at MOT tests on the 2021 BMW 430D Xdrive M Sport MHEV Auto is 29,635 miles, 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.