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Bmw 3 series vs Bmw Ix xdrive50 m sport edition: 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 Ix xdrive50 m sport edition
87%
MOT pass rate · 484 vehicles
More reliable
Verdict: On MOT pass rate, the Bmw Ix xdrive50 m sport edition is the more reliable of the two — 87% pass first time versus 75%. It's one signal among several; check the full breakdown below.

Head to head

Measure Bmw 3 series Bmw Ix xdrive50 m sport edition
MOT pass rate 75% 87% ✓
MOT failure rate 25% 13% ✓
Faults & advisories per test 2.0 0.7 ✓
Dangerous-fault share 2% ✓ 9%
Average mileage 128,558 mi 34,056 mi
Sample size (vehicles) 996,044 484

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 Ix xdrive50 m sport edition

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))
  6. Offside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate, the Bmw Ix xdrive50 m sport edition is the more reliable of the two — 87% pass first time versus 75%. It's one signal among several; check the full breakdown below.

Full Bmw 3 series report Full Bmw Ix xdrive50 m sport edition 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.