Skip to content

Bmw 3 series vs Bmw 320i xdrive m sport + ed 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 320i xdrive m sport + ed a
91%
MOT pass rate · 14 vehicles
Verdict: On MOT pass rate the Bmw 3 series (75%) and Bmw 320i xdrive m sport + ed a (91%) 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 320i xdrive m sport + ed a
MOT pass rate 75% 91% ✓
MOT failure rate 25% 9% ✓
Faults & advisories per test 2.0 0.4 ✓
Dangerous-fault share 2% ✓ 17%
Average mileage 128,558 mi 35,302 mi
Sample size (vehicles) 996,044 14

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 320i xdrive m sport + ed a

  1. Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
  2. Front Brake pad(s) wearing thin both sides front (1.1.13 (a) (ii))
  3. Rear Brake pad(s) wearing thin both sides rear (1.1.13 (a) (ii))
  4. Nearside Rear Nail in tyre
  5. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Bmw 3 series (75%) and Bmw 320i xdrive m sport + ed a (91%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bmw 3 series report Full Bmw 320i xdrive m sport + ed 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.