Ducati St4s vs Kawasaki Ninja 400
Side-by-side comparison for used motorcycle buyers
Ducati St4s vs Kawasaki Ninja 400. Ducati St4s: 117 hp @ 9,500 rpm hp, 229 kg (wet/curb weight) weight, top speed 255 km/h, Motoryk rating 7.8/10. Kawasaki Ninja 400: 45 hp @ 10,000 rpm hp, 168 kg (wet/curb weight) weight, top speed 175 km/h, Motoryk rating 8.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Ducati St4s
Kawasaki Ninja 400
Horsepower (hp)
117 hp
45 hp
Torque (Nm)
98 Nm
38 Nm
Top Speed (km/h)
255 km/h
175 km/h
Weight (kg) — lower is better
229 kg
168 kg
Type
Sport
Sport
Horsepower
117 hp @ 9,500 rpm
45 hp @ 10,000 rpm
Torque
98 Nm @ 8,000 rpm
38 Nm @ 8,000 rpm
Top Speed
255 km/h
175 km/h
Weight
229 kg (wet/curb weight)
168 kg (wet/curb weight)
Fuel
7.5 L/100km (approx. 13.3 km/L)
3.7 L/100km (approx. 27 km/L typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Ducati St4s
7.8/10
"Buy with full history or walk away immediately."
Pros
+Testastretta engine is sensational
+Genuinely comfortable for touring
+Razor-sharp Ducati handling
Cons
−Expensive mandatory desmo services
−Electrical reliability is questionable
−Parts availability getting difficult
Kawasaki Ninja 400
8.5/10
"The benchmark small-displacement bike that rewards riders of all experience levels."
Pros
+Genuinely engaging chassis dynamics
+Strong resale value retention
+Excellent real-world power delivery
Cons
−Used prices remain inflated
−Pillion comfort is poor
−Fairing repairs get expensive
Top 10 Accessories
Picks that work on either bike.
