Is the 2020 BMW X4 reliable?

Excellent reliability. Very few MOT failures. 94% of BMW X4s from 2020 passed their MOT first time in 2026, based on 3,300 tests. That's 12 points above the national average of 82%.

How much does a 2020 BMW X4 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 2020 BMW X4?

The 2020 BMW X4 has a 94% MOT pass rate based on 3,300 tests in 2026. This ranks 667 out of 2596 cars from 2020.

Which year BMW X4 is most reliable?

The 2020 BMW X4 has the highest MOT pass rate at 94%. The least reliable year is 2015 at 88%.

What is the average mileage for a 2020 BMW X4?

The average mileage for a 2020 BMW X4 is 36,265 miles, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.

BMW X4 (2020)

Running costs, reliability data, and common problems from 3,300 real MOT tests.

Annual Cost

£1,777

£148/month

MOT Pass Rate

94%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 18-32

1998cc Petrol

Great Choice

94% pass rate, £1777/year to run. 12 points above average.

Buying this car? Check for finance, write-offs & theft

£4.99

Check a specific BMW X4

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

Petrol1998cc6 years old3,300 tests36k 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.

🛡️

Get an insurance quote for this BMW X4

Compare quotes and find the best deal

Reliability Verdict

94% MOT pass rate(Excellent)

0%National avg: 82%100%

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 6 years old, 94% of BMW X4s from 2020 passed their MOT first time in 2026. That's based on 3,300 tests across the UK. The average mileage at this age is 36,265 miles.

Got a BMW X4 you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

How Does It Compare?

Rank among 2020 cars667th of 2,596(top 26%)

Rank among BMW models244th of 1,564(top 16%)

vs national average+12%(82% avg)

vs 2020 cars average+2%(92% avg)

vs BMW average+6%(88% avg)

Mileage Analysis

36,265

Average miles

44,400

Expected for age

The average 2020 BMW X4 has 36,265 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.

Looking at a specific BMW X4?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

BMW X4 by Year

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

Similar Cars to Consider

VOLKSWAGEN GOLF

2019 · 1498cc Petrol

£1,582/year

92%

-2%

FORD KUGA

2018 · 1499cc Petrol

£1,582/year

90%

-4%

MINI COOPER

2018 · 1499cc Petrol

£1,582/year

92%

-2%

NISSAN QASHQAI

2020 · 1598cc Petrol

£1,582/year

93%

-1%

Check a Specific Bmw X4

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

About the 2020 BMW X4

The 2020 BMW X4 is a premium with a 1998cc petrol engine. 3,300 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 36,265 miles at 6 years old, BMW X4 owners drive about as much as the UK average.

2020 BMW X4 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 2020 BMW X4?

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 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

BMW X4 Reliability Trend

Newer BMW X4s show better MOT pass rates than older ones, with an average improvement of 5 percentage points.

Buying a Used 2020 BMW X4

At 6 years old, the BMW X4 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

Based on the 2020 BMW X4's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 6 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

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 2020 BMW X4 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
BMW X4(2020)	94%	£1327	£195	Grp 18-32	£1777
VOLKSWAGEN GOLF(2019)	92%	£1137	£190	Grp 12-25	£1582-£195
FORD KUGA(2018)	90%	£1137	£190	Grp 12-25	£1582-£195
MINI COOPER(2018)	92%	£1137	£190	Grp 12-25	£1582-£195
NISSAN QASHQAI(2020)	93%	£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.