BMW F 850 GS Adventure Te vs Triumph Tiger 1050

The BMW F 850 GS Adventure Te passes its MOT first time more often than the Triumph Tiger 1050: 96.9% vs 87.3%, a 9.6-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	BMW F 850 GS Adventure Te	Triumph Tiger 1050
First-time pass rate	96.9%	87.3%
Outright fail rate	1.5%	7.1%
Vs comparable bikes (age & mileage adjusted)	+8.9 pts	+2.9 pts
Engine size	853cc	1,050cc
Rank among all models	#12 of 5428	#1818 of 5428
Median miles at test	8,577	18,584
MOT tests analysed	262	13,990
Most common failure	suspension	brakes

First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test

Mileage	BMW F 850 GS Adventure Te	Triumph Tiger 1050
0k-10k miles	99.3%	90.9%
10k-20k miles	94.6%	88.8%

Bands with fewer than 30 tests for either bike are left out.

BMW F 850 GS ADVENTURE TE 96.9% pass · 262 tests TRIUMPH TIGER 1050 87.3% pass · 14.0k tests

See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.