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Bmw 3 series vs Bmw X1 xdrive: 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 xdrive
60%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Bmw 3 series (75%) and Bmw X1 xdrive (60%) 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 X1 xdrive
MOT pass rate 75% ✓ 60%
MOT failure rate 25% ✓ 40%
Faults & advisories per test 2.0 ✓ 2.2
Dangerous-fault share 2% 0% ✓
Average mileage 128,558 mi 68,254 mi
Sample size (vehicles) 996,044 1

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 xdrive

  1. Nearside Rear Child Seat fitted not allowing full inspection of adult belt
  2. Offside Rear Child Seat fitted not allowing full inspection of adult belt
  3. Offside Rear Road wheel slightly distorted (5.2.2 (c) (i))
  4. Nearside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))
  5. Offside Front Road wheel fixing missing (5.2.1 (a) (i))
  6. Offside Rear Shock absorbers has negligible damping effect (5.3.2 (d))

Reliability FAQ

On MOT pass rate the Bmw 3 series (75%) and Bmw X1 xdrive (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bmw 3 series report Full Bmw X1 xdrive 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.