Is the 2021 BMW 430 reliable?

Excellent reliability. Very few MOT failures. 95% of BMW 430s from 2021 passed their MOT first time in 2026, based on 73 tests. That's 13 points above the national average of 82%.

How much does a 2021 BMW 430 cost to run?

Estimated annual running cost is £1,777 (£148/month), including £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2021 BMW 430?

The 2021 BMW 430 has a 95% MOT pass rate based on 73 tests in 2026. This ranks 1015 out of 3373 cars from 2021.

Which year BMW 430 is most reliable?

The 2021 BMW 430 has the highest MOT pass rate at 95%. The least reliable year is 2013 at 80%.

BMW 430 (2021)

Q: What is the average mileage for a 2021 BMW 430?

The average mileage for a 2021 BMW 430 is 27,584 miles, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 73 real MOT tests.

Annual Cost

£1,777

£148/month

MOT Pass Rate

95%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 18-32

1998cc Petrol

Great Choice

95% pass rate, £1777/year to run. 13 points above average.

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Petrol1998cc5 years old73 tests28k miles avg

Annual Running Costs

Fuel (Petrol, 1998cc)

~36 mpg

£1,327

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,777

Per month£148/mo

Per week£34/wk

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

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Reliability Verdict

95% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the BMW brand average of 88%.

At 5 years old, 95% of BMW 430s from 2021 passed their MOT first time in 2026. That's based on 73 tests across the UK. The average mileage at this age is 27,584 miles.

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How Does It Compare?

Rank among 2021 cars1015th of 3,373(top 30%)

Rank among BMW models219th of 1,564(top 14%)

vs national average+13%(82% avg)

vs 2021 cars average+3%(92% avg)

vs BMW average+7%(88% avg)

Mileage Analysis

27,584

Average miles

37,000

Expected for age

The average 2021 BMW 430 has 27,584 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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BMW 430 by Year

Year	Pass Rate	Tests	Avg Mileage
2021	95%	73	27,584 mi
2020	92%	1,059	30,137 mi
2019	91%	3,274	41,028 mi
2018	90%	5,156	50,513 mi
2017	90%	5,544	59,744 mi
2016	90%	6,473	71,277 mi
2015	89%	6,242	85,972 mi
2014	90%	2,948	92,595 mi
2013	80%	105	102,222 mi

Similar Cars to Consider

VOLKSWAGEN GOLF

2019 · 1498cc Petrol

£1,582/year

92%

-3%

NISSAN QASHQAI

2020 · 1598cc Petrol

£1,582/year

93%

-2%

MINI COOPER

2019 · 1499cc Petrol

£1,582/year

92%

-3%

HYUNDAI TUCSON

2019 · 1591cc Petrol

£1,582/year

90%

-5%

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About the 2021 BMW 430

The 2021 BMW 430 is a premium with a 1998cc petrol engine. 73 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 27,584 miles at 5 years old, BMW 430 owners tend to use this car less than the typical driver.

2021 BMW 430 Fuel Costs

The 1998cc 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 BMW 430?

Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

BMW 430 Reliability Trend

Newer BMW 430s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2021 BMW 430

At 5 years old, the BMW 430 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 73 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2021 BMW 430's fuel type, age, and engine size, these are the most likely problem areas to check.

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 430 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW 430(2021)	95%	£1327	£195	Grp 18-32	£1777
VOLKSWAGEN GOLF(2019)	92%	£1137	£190	Grp 12-25	£1582-£195
NISSAN QASHQAI(2020)	93%	£1137	£190	Grp 12-25	£1582-£195
MINI COOPER(2019)	92%	£1137	£190	Grp 12-25	£1582-£195
HYUNDAI TUCSON(2019)	90%	£1137	£190	Grp 12-25	£1582-£195

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.