KTM RC 390 vs California Scooter RZ3S Haylon 400 (2023)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM RC 390stacks up against the California Scooter RZ3S Haylon 400. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM RC 390California Scooter RZ3S Haylon 400
Model year20232022
Price$3,995
Engine373 cc378 cc
Horsepower44 hp36 hp
Torque37 Nm35 Nm
Weight155 kg
Seat height32 mm31 mm
Fuel capacity3.6 L5.3 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle disc. ABS. Four-piston calipers. Single disc. ABS
Rear brakesSingle disc. ABS. Floating disc. Single-piston caliper. Single disc. ABS
Tires95/75-R17 / 115/75-R17 110/70-17 / 150/60-17

KTM RC 390 vs California Scooter RZ3S Haylon 400 — which should you buy?

Picking between the KTM RC 390 and the California Scooter RZ3S Haylon 400 usually comes down to the numbers you care about most. On paper, the KTM RC 390 brings 44 hp in a 155 kg package, while the California Scooter RZ3S Haylon 400 counters with 36 hp.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: