BMW R 18 B (2024–2025) vs KTM 390 Duke (2015–2016)

Factory maintenance schedules compared.

BMW R 18 B (2024–2025) needs fewer scheduled shop visits per 10,000 miles.

Service	BMW R 18 B (2024–2025)0L33	KTM 390 Duke (2015–2016)
Oil change	6,000 mi	4,650 mi
Valve service	6,000 mi	9,300 mi
Spark plugs	12,000 mi	9,300 mi
Chain	n/a	4,650 mi
Brake fluid	24 mo	n/a
Coolant	n/a	n/a

See the full maintenance matrix

Common questions

Which is cheaper to maintain, the BMW R 18 B (2024–2025) or the KTM 390 Duke (2015–2016)?

BMW R 18 B (2024–2025) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.