BMW X4 reliability, MOT pass rate and rarity

Time Period & Model

Time period snapshot: Last 5 years

Manufacturer: BMW

Model: X4

Model reliability rank

MOT-based rank from 82,628 selected-period tests.

View More models

Overall MOT pass rate

86.5%

Share of this model's 82,628 selected-period MOT tests that pass.

View manufacturers

Efficiency, emissions & tax

Average MPG

41.5 mpg

CO2 emission

180 g/km

Euro emissions

Euro 6

Tax cost

£245/yr

Vehicle list price over £40,000?NoYes

Average vehicle miles

72,133

Moderate average mileage in the current pool.

Life expectancy miles

88,695

Lower mature-fleet mileage expectation.

Average vehicle age

8.0

Shorter age profile in the current analysed pool.

Vehicles represented

13,885

13,885 valid MOT, 0 under 3 years.

Tests analysed

82,628

82,628 MOT tests in the selected period.

Rarity ranking

Based on Make & Model

Scarce

13,885On the road

Insight summary

BMW X4 is a scarce model in this snapshot, with 13,885 represented vehicles and 0.03% of the active UK pool tracked by AutoRank. For the last 5 years, it has a pass rate of 86.5% from 82,628 MOT tests, with a reliability score of 58. The current pool shows an average of 72,133 miles and an average age of 8.0 years, while mature-fleet mileage is estimated at 88,695 miles. Diesel leads the fuel split, followed by petrol, and the most frequent defect themes are windscreen damage, coil springs and tyre condition. The practical read is that the BMW X4 looks a little better than average, but still rewards careful checks on mileage and maintenance.

Fuel type breakdown (by model)

Fuel	Vehicles
DIESEL	12,891
PETROL	986
ELECTRIC DIESEL	7
HYBRID ELECTRIC (CLEAN)	1

Euro NCAP Safety

NCAP rating

5 / 5

Adult

93%

Children

84%

Pedestrian

70%

Safety systems

58%

Top 25 most common defects (by model)

Defect	Count
Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))	835
Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))	797
Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))	747
Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	581
Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	561
Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))	389
Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii))	387
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))	384
Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))	354
Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))	340
Windscreen washer provides insufficient washer liquid (3.5 (a))	340
Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))	330
Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))	299
Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	275
Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	242
Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))	239
Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))	237
Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))	221
Front Windscreen washer provides insufficient washer liquid (3.5 (a))	208
Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii))	207
Rear Registration plate does not conform to the specified requirements (0.1 (d))	205
Nearside Front Windscreen wiper blade defective (3.4 (b) (i))	203
Front Registration plate does not conform to the specified requirements (0.1 (d))	201
Offside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))	198
Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))	195

All 25 defects ranked by recorded countShowing 8,975 defects across this top 25 set

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

835

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

797

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

747

Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

581

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

561

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

389

Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii))

387

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

384

Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

354

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

340

Windscreen washer provides insufficient washer liquid (3.5 (a))

340

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

330

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

299

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

275

Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

242

Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

239

Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

237

Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))

221

Front Windscreen washer provides insufficient washer liquid (3.5 (a))

208

Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii))

207

Rear Registration plate does not conform to the specified requirements (0.1 (d))

205

Nearside Front Windscreen wiper blade defective (3.4 (b) (i))

203

Front Registration plate does not conform to the specified requirements (0.1 (d))

201

Offside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

198

Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))

195

BMW X4 reliability and MOT data