KAWASAKI Z400 vs KAWASAKI Z900RS SE
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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 Z400 78.5 cm Lowest seat here
- KAWASAKI Z900RS SE 84.5 cm Tallest seat here
Spread in this comparison: about 6 cm.
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.
- Power spans 45 hp (KAWASAKI Z400) up to 111 hp (KAWASAKI Z900RS SE).
- Torque spans 37.2 Nm (KAWASAKI Z400) up to 98.5 Nm (KAWASAKI Z900RS SE).
- Weight spans 167 kg (KAWASAKI Z400) to 215 kg (KAWASAKI Z900RS SE).
- Displacement spans 400 cc (KAWASAKI Z400) to 900 cc (KAWASAKI Z900RS SE).
Reader votes so far — total 1: KAWASAKI Z400 (0); KAWASAKI Z900RS SE (1).
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| Specification | KAWASAKI Z400 | KAWASAKI Z900RS SE |
|---|---|---|
| Brand | KAWASAKI | KAWASAKI |
| Model | KAWASAKI Z400 | KAWASAKI Z900RS SE |
| Engine size | 400cc | 900cc |
| Power | 45hp | 111hp |
| Torque | 37.2nm. | 98.5nm. |
| Cylinders / valves | Twin cylinder, 8 valves | 4 cylinders, 16 valves |
| Weight | 167kg | 215kg |
| Front brake | 310 mm petal discs. Single balanced actuation, dual-piston caliper | Twin semi-floating 300 mm discs. Caliper: Twin Brembo M4 radial mounted, monoblock, opposed 4-piston |
| Rear brake | 220 mm single petal disc. Dual-piston caliper | 250 mm single disc. Caliper: Single-piston |
| Seat height (cm) | 78.5cm | 84.5cm |
| Front tyre | 110/70R17 M/C 54H | 120/70ZR17M/C (58W) |
| Rear tyre | 150/60R17 M/C 66H | 180/55ZR17M/C (73W) |
| Cooling | Liquid cooling | Liquid cooling |
| Front suspension | 41mm telescopic fork | 41 mm inverted fork, compression and rebound damping, and adjustable spring preload |
| Rear suspension | Bottom-Link Uni-Trak, gas-charged, preload adjustable | Horizontal Back-link, rebound damping, and adjustable spring preload gas-charged shock |
| Motorcycle type | Naked | Naked |
| Top speed | 185km/h | 240km/h |
| Fuel capacity / consumption | 14 L – 3.5 L/100km | 17 L – 7 L/100km |
| Service network | ||
| Service quality | ||
| Parts availability | ||
| Price | $5399 | $12349 |
| Brand price lists | View KAWASAKI price list | View KAWASAKI price list |
| Extra features | -New Slipper Clutch -Economical Riding Indicator |
-Slipper Clutch -KTRC (Kawasaki Traction Control) -Dual Throttle Valves |
Opinions
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2023 KAWASAKI Z400 vs 2023 KAWASAKI Z900RS SE: Which One is Better for You?
2023 KAWASAKI Z400 and 2023 KAWASAKI Z900RS SE offer comparable performance in terms of engine capacity, but usage preferences and driving styles could influence the choice. Additionally, 2023 KAWASAKI Z900RS SE, with its 111hp, stands out for users seeking speed and performance.
1. Cylinder Capacity and Performance
2023 KAWASAKI Z400 and 2023 KAWASAKI Z900RS SE are close in engine capacity. 2023 KAWASAKI Z900RS SE, with its 900cc, provides slightly better performance, while 2023 KAWASAKI Z400, with its 400cc, offers a more economical and balanced option.2023 KAWASAKI Z900RS SE, with its 900cc engine capacity, is ideal for users seeking high performance and acceleration. Designed for performance-focused users and professionals.
2. Torque Power
2023 KAWASAKI Z900RS SE, with its 98.5Nm torque, delivers powerful performance. A high torque value ensures superior acceleration and advantage on steep inclines. 2023 KAWASAKI Z400, with its 37.2Nm torque, offers a more balanced ride for city use. 2023 KAWASAKI Z900RS SE is ideal for users requiring rapid acceleration. Moderate torque power is suitable for both city use and short-distance trips.
3. Top Speed
2023 KAWASAKI Z900RS SE, as a Naked, can reach a maximum speed of 240 km/h. This speed feature can be considered an extra advantage for a motorcycle of this type. 2023 KAWASAKI Z400, as a Naked, offers a lower maximum speed of 185 km/h, but this does not overshadow its other features.
4. Cooling System
2023 KAWASAKI Z400 features a Liquid-Cooled system, while 2023 KAWASAKI Z900RS SE offers a Liquid-Cooled system. Both models deliver equal performance in their cooling systems.
5. Design and Comfort
2023 KAWASAKI Z400 and 2023 KAWASAKI Z900RS SE are close in weight, offering similar experiences for different usage scenarios. Additionally, 2023 KAWASAKI Z900RS SE, with a seat height of 84.5cm, is more suitable for taller riders, offering greater comfort.2023 KAWASAKI Z400, with a seat height of 78.5cm, provides a more ergonomic ride for average-height riders.
Conclusion
2023 KAWASAKI Z900RS SE emerges as the winner of this comparison based on total points. 2023 KAWASAKI Z400 and 2023 KAWASAKI Z900RS SE offer comparable performance in terms of engine capacity. 2023 KAWASAKI Z900RS SE, with higher torque, excels in rapid acceleration and steep climbs. 2023 KAWASAKI Z900RS SE, with a top speed of 240 km/h, stands out for speed enthusiasts. Both models have similar cooling systems, offering comparable performance for long journeys. In conclusion, 2023 KAWASAKI Z900RS SE stands out in terms of technical specifications and overall performance. However, depending on your riding preferences and usage needs, both models offer unique advantages.
Frequently asked questions
What is the top speed of KAWASAKI Z400 vs KAWASAKI Z900RS SE?
KAWASAKI Z900RS SE is listed at 240 km/h vs 185 km/h for KAWASAKI Z400.
Which has more horsepower, KAWASAKI Z400 or KAWASAKI Z900RS SE?
KAWASAKI Z900RS SE has 111 hp compared with 45 hp on the KAWASAKI Z400.
Which is better, KAWASAKI Z400 or KAWASAKI Z900RS SE?
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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