BMW X4

Reliability, estimated running costs, and MOT data across 8 model years from 36,284 MOT tests in 2024.

Avg Pass Rate

91%

Total Tests

36,284

Highest Pass Rate

2020 (94%)

Years Covered

About the BMW X4

The BMW X4 was MOT tested 36,284 times in 2024 (DVSA data, retests included) across 8 model years (2014 to 2021), with an average pass rate of 91%. That's comfortably above the average of 82% across all models in our data. Our records list petrol and diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2020 model has the highest pass rate at 94% from 3,300 tests. The 2015 model has the lowest at 88%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer BMW X4s pass their MOT more often than older ones, by 5 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2014) averages 87,605 miles, while the newest (2021) averages 27,663 miles.

Estimated Running Costs

Fuel (Petrol, 2998cc)

£1,958

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,413

Per month£201/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the BMW X4?

vs average of all models+9% (82% avg)

vs BMW brand average+3% (88% avg)

Best to worst year spread6 percentage points

Reliability trendImproving over years

BMW X4 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2021	94%	251	27,663 mi
2020	94%	3,300	36,265 mi
2019	92%	9,276	44,291 mi
2018	93%	4,985	55,401 mi
2017	89%	5,035	62,856 mi
2016	89%	6,475	72,618 mi
2015	88%	5,099	80,606 mi
2014	89%	1,863	87,605 mi

Questions about the BMW X4

Is the BMW X4 reliable?

Across its 8 model years in our data (2014 to 2021), the BMW X4 averages a 91% MOT pass rate, from 36,284 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 94%.

Which year BMW X4 has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 BMW X4 has the highest MOT pass rate at 94%, while the 2015 model has the lowest at 88%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.