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Bmw 3 series vs Bmw X1 xdrv23i mspt prm pro mhev a: 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 X1 xdrv23i mspt prm pro mhev a
97%
MOT pass rate · 191 vehicles
More reliable
Verdict: On MOT pass rate, the Bmw X1 xdrv23i mspt prm pro mhev a is the more reliable of the two — 97% pass first time versus 75%. It's one signal among several; check the full breakdown below.

Head to head

Measure Bmw 3 series Bmw X1 xdrv23i mspt prm pro mhev a
MOT pass rate 75% 97% ✓
MOT failure rate 25% 3% ✓
Faults & advisories per test 2.0 0.2 ✓
Dangerous-fault share 2% ✓ 8%
Average mileage 128,558 mi 21,860 mi
Sample size (vehicles) 996,044 191

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 X1 xdrv23i mspt prm pro mhev a

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
  4. Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
  5. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Reliability FAQ

On MOT pass rate, the Bmw X1 xdrv23i mspt prm pro mhev a is the more reliable of the two — 97% pass first time versus 75%. It's one signal among several; check the full breakdown below.

Full Bmw 3 series report Full Bmw X1 xdrv23i mspt prm pro mhev a 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.