KTM 390 Adventure 21 vs Royal Enfield Himalayan

The KTM 390 Adventure 21 passes its MOT first time more often than the Royal Enfield Himalayan: 93.2% vs 90.0%, a 3.2-point lead.

MOT reliability, side by side

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

Metric	KTM 390 Adventure 21	Royal Enfield Himalayan
First-time pass rate	93.2%	90.0%
Outright fail rate	3.9%	5.0%
Vs comparable bikes (age & mileage adjusted)	+4.1 pts	+1.5 pts
Engine size	373cc	411cc
Rank among all models	#264 of 5428	#960 of 5428
Median miles at test	5,009	6,278
MOT tests analysed	281	5,785
Most common failure	brakes	lamps and reflectors

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	KTM 390 Adventure 21	Royal Enfield Himalayan
0k-10k miles	93.4%	91.1%
10k-20k miles	92.1%	87.4%

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

KTM 390 ADVENTURE 21 93.2% pass · 281 tests ROYAL ENFIELD HIMALAYAN 90.0% pass · 5,785 tests

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