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Bmw 1100 rs vs Bmw 3 series: reliability comparison

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

Bmw 1100 rs
81%
MOT pass rate · 3 vehicles
Bmw 3 series
75%
MOT pass rate · 996,044 vehicles
Verdict: On MOT pass rate the Bmw 1100 rs (81%) and Bmw 3 series (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Bmw 1100 rs Bmw 3 series
MOT pass rate 81% ✓ 75%
MOT failure rate 19% ✓ 25%
Faults & advisories per test 0.2 ✓ 2.0
Dangerous-fault share 20% 2% ✓
Average mileage 46,448 mi 128,558 mi
Sample size (vehicles) 3 996,044

Most common faults

Bmw 1100 rs

  1. Rear Tyre worn close to the legal limit (4.1.3(ii))
  2. Rear Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii))
  3. Rear Registration plate displaying a honeycomb or similar effect background (6.3.3)
  4. Offside Front Shock absorber has a serious fluid leak (5.3.2 (b))
  5. Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii))
  6. Front Position lamp not working (4.2.1 (a))

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))

Reliability FAQ

On MOT pass rate the Bmw 1100 rs (81%) and Bmw 3 series (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bmw 1100 rs report Full Bmw 3 series 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.