KAWASAKI Ninja 400 vs KAWASAKI Z400
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Scores, summary & seat (optional) Estimates and auto text from specs — open if you want them.
Technical score (estimate)
Weighted mix of power, torque, power-to-weight, top speed and lighter weight within this comparison only. Not a real-world verdict — riding style and roads matter.
Usage fit (estimate)
Rough scores for city riding, touring, sporty riding and new riders — mix of specs and bike category. Same caveats as the technical score: traffic, skill and tyres matter.
City / commute
Touring / long rides
Sporty riding
New rider friendly
Seat height (cm)
Figures are as in the database; boots, suspension sag and road surface change how tall the bike feels.
- KAWASAKI Ninja 400 78.5 cm Lowest seat here
- KAWASAKI Z400 78.5 cm Lowest seat here
Rough guide: comfortable flat-foot reach often needs inseam roughly in the same ballpark as seat height (varies a lot by ergonomics).
Auto summary from specs
Generated from the numbers in the comparison — not a review.
- Claimed power figures are very close across these bikes.
- Torque figures are very close.
- Weight spans 167 kg (KAWASAKI Z400) to 168 kg (KAWASAKI Ninja 400).
- Engine sizes are very close.
All values look the same; turn off the filter.
| Specification | KAWASAKI Ninja 400 | KAWASAKI Z400 |
|---|---|---|
| Brand | KAWASAKI | KAWASAKI |
| Model | KAWASAKI Ninja 400 | KAWASAKI Z400 |
| Engine size | 400cc | 400cc |
| Power | 45hp | 45hp |
| Torque | 37.2nm. | 37.2nm. |
| Cylinders / valves | Twin cylinder, 8 valves | Twin cylinder, 8 valves |
| Weight | 168kg | 167kg |
| Front brake | 310 mm petal discs. Single balanced actuation dual-piston caliper. | 310 mm petal discs. Single balanced actuation, dual-piston caliper |
| Rear brake | 220 mm single petal disc. Dual-piston caliper. | 220 mm single petal disc. Dual-piston caliper |
| Seat height (cm) | 78.5cm | 78.5cm |
| Front tyre | 110/70R17 | 110/70R17 M/C 54H |
| Rear tyre | 150/60R17 | 150/60R17 M/C 66H |
| Cooling | Liquid cooling | Liquid cooling |
| Front suspension | 41mm telescopic fork | 41mm telescopic fork |
| Rear suspension | Bottom-Link Uni-Trak, gas-charged, preload adjustable | Bottom-Link Uni-Trak, gas-charged, preload adjustable |
| Motorcycle type | Supersport | Naked |
| Top speed | 205km/h | 185km/h |
| Fuel capacity / consumption | 14 L – 4 L/100km | 14 L – 3.5 L/100km |
| Service network | ||
| Service quality | ||
| Parts availability | ||
| Price | $5899 | $5399 |
| Brand price lists | View KAWASAKI price list | View KAWASAKI price list |
| Extra features | -Slipper Clutch -Economic Riding Indicator |
-New Slipper Clutch -Economical Riding Indicator |
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2023 KAWASAKI Ninja 400 vs 2023 KAWASAKI Z400: listed specifications
The 2023 KAWASAKI Ninja 400 and 2023 KAWASAKI Z400 are closely matched in peak power and weight, while the Ninja 400 has the higher listed top speed.
Engine displacement
Ninja 400 and Z400 have very similar engine displacement (400 cc vs 400 cc).
Peak power
Ninja 400 and Z400 have very similar peak power (45 hp vs 45 hp).
Torque
Ninja 400 and Z400 have very similar listed torque (37.2 Nm vs 37.2 Nm).
Listed top speed
Ninja 400 has a clear listed top-speed advantage (205 km/h vs 185 km/h).
Cooling
Both motorcycles are listed as liquid-cooled.
Weight and seat height
Ninja 400 and Z400 have very similar listed weights (168 kg vs 167 kg). Ninja 400 and Z400 have very similar seat heights (78.5 cm vs 78.5 cm).
Conclusion
The measurable differences are therefore concentrated in listed top speed, while displacement, peak power, torque, weight and seat height remain relatively close.
Frequently asked questions
What is the top speed of KAWASAKI Ninja 400 vs KAWASAKI Z400?
KAWASAKI Ninja 400 is listed at 205 km/h (127 mph) vs 185 km/h (115 mph) for KAWASAKI Z400.
Which has more horsepower, KAWASAKI Ninja 400 or KAWASAKI Z400?
Both are rated at 45 hp in our database.
Which is lighter, KAWASAKI Ninja 400 or KAWASAKI Z400?
KAWASAKI Z400 is lighter at 167 kg vs 168 kg for KAWASAKI Ninja 400.
Which is better, KAWASAKI Ninja 400 or KAWASAKI Z400?
It depends on your riding style. Compare top speed, weight, fuel use and price in the table on this page, then vote for the bike you prefer.
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