MV Agusta Brutale 800 RR vs Triumph Street Triple

The MV Agusta Brutale 800 RR passes its MOT first time more often than the Triumph Street Triple: 89.7% vs 87.7%, a 2.0-point lead.

MOT reliability, side by side

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

Metric	MV Agusta Brutale 800 RR	Triumph Street Triple
First-time pass rate	89.7%	87.7%
Outright fail rate	5.3%	5.9%
Vs comparable bikes (age & mileage adjusted)	+0.4 pts	+1.3 pts
Engine size	798cc	675cc
Rank among all models	#1049 of 5428	#1695 of 5428
Median miles at test	3,955	11,189
MOT tests analysed	262	37,699
Most common failure	lamps and reflectors	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 test year

first-time MOT pass rate in each calendar year both bikes were tested

Test year	MV Agusta Brutale 800 RR	Triumph Street Triple
2022	85.1%	87.3%
2023	90.9%	87.5%
2024	92.6%	88.0%
2025	92.3%	86.4%

Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.

MV AGUSTA BRUTALE 800 RR 89.7% pass · 262 tests TRIUMPH STREET TRIPLE 87.7% pass · 37.7k tests

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