Harley-Davidson Road Glide Ultra (2017–2021) vs KTM Duke (2023–2027)
Factory maintenance schedules compared.
Harley-Davidson Road Glide Ultra (2017–2021) needs fewer scheduled shop visits per 10,000 miles.
| Service | Harley-Davidson Road Glide Ultra (2017–2021)1KGD | KTM Duke (2023–2027) |
|---|---|---|
| Oil change | n/a | 6,200 mi |
| Valve service | n/a | 12,400 mi |
| Spark plugs | n/a | 12,400 mi |
| Chain | 5,000 mi | 6,200 mi |
| Brake fluid | n/a | 24 mo |
| Coolant | n/a | n/a |
Common questions
Which is cheaper to maintain, the Harley-Davidson Road Glide Ultra (2017–2021) or the KTM Duke (2023–2027)?
Harley-Davidson Road Glide Ultra (2017–2021) needs fewer scheduled shop visits per 10,000 miles based on its factory service intervals.