Skip to content

Bmw 3 series vs Bmw X3 xdrive30d xline mhev auto: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Bmw 3 series
75%
MOT pass rate · 996,044 vehicles
Bmw X3 xdrive30d xline mhev auto
96%
MOT pass rate · 19 vehicles
Verdict: On MOT pass rate the Bmw 3 series (75%) and Bmw X3 xdrive30d xline mhev auto (96%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Bmw 3 series Bmw X3 xdrive30d xline mhev auto
MOT pass rate 75% 96% ✓
MOT failure rate 25% 4% ✓
Faults & advisories per test 2.0 0.7 ✓
Dangerous-fault share 2% 0% ✓
Average mileage 128,558 mi 32,753 mi
Sample size (vehicles) 996,044 19

Most common faults

Bmw 3 series

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Under-trays fitted obscuring some underside components
  6. Oil leak, but not excessive (8.4.1 (a) (i))

Bmw X3 xdrive30d xline mhev auto

  1. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  2. Nearside Rear Nail in tyre
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate the Bmw 3 series (75%) and Bmw X3 xdrive30d xline mhev auto (96%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bmw 3 series report Full Bmw X3 xdrive30d xline mhev auto report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.