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Bmw 520 vs Bmw R 1250 gs adventure te: reliability comparison

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

Bmw 520
78%
MOT pass rate · 156,398 vehicles
Bmw R 1250 gs adventure te
96%
MOT pass rate · 6,971 vehicles
More reliable
Verdict: On MOT pass rate, the Bmw R 1250 gs adventure te is the more reliable of the two — 96% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Bmw 520 Bmw R 1250 gs adventure te
MOT pass rate 78% 96%
MOT failure rate 22% 4%
Faults & advisories per test 1.6 0.2
Dangerous-fault share 3% 4%
Average mileage 134,460 mi 13,148 mi
Sample size (vehicles) 156,398 6,971

Most common faults

Bmw 520

  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. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Under-trays fitted obscuring some underside components
  6. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Bmw R 1250 gs adventure te

  1. Rear Tyre worn close to the legal limit (5.2.3 (e))
  2. Rear Brake pad(s) close to minimum limit (1.1.13 (a))
  3. Front Tyre worn close to the legal limit (5.2.3 (e))
  4. Front Brake indicates slight fluctuation of brake effort (1.2.1 (e))
  5. Rear Brake indicates slight fluctuation of brake effort (1.2.1 (e))
  6. Front Brake pad(s) close to minimum limit (1.1.13 (a))

Reliability FAQ

On MOT pass rate, the Bmw R 1250 gs adventure te is the more reliable of the two — 96% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Bmw 520 report Full Bmw R 1250 gs adventure te 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.