KAWASAKI Ninja ZX-4RR 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.

Top on paper
KAWASAKI Ninja ZX-4RR
85 pts
KAWASAKI Z400
15 pts

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

KAWASAKI Ninja ZX-4RR
36.5 pts
Best fit here
KAWASAKI Z400
70.3 pts

Touring / long rides

Best fit here
KAWASAKI Ninja ZX-4RR
88.3 pts
KAWASAKI Z400
17.7 pts

Sporty riding

Best fit here
KAWASAKI Ninja ZX-4RR
99 pts
KAWASAKI Z400
19.8 pts

New rider friendly

KAWASAKI Ninja ZX-4RR
17.6 pts
Best fit here
KAWASAKI Z400
79.8 pts

Seat height (cm)

Figures are as in the database; boots, suspension sag and road surface change how tall the bike feels.

  • KAWASAKI Ninja ZX-4RR 80 cm Tallest seat here
  • KAWASAKI Z400 78.5 cm Lowest seat here

Spread in this comparison: about 1.5 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 79.1 hp (KAWASAKI Ninja ZX-4RR).
  • Torque spans 37.2 Nm (KAWASAKI Z400) up to 76.4 Nm (KAWASAKI Ninja ZX-4RR).
  • Weight spans 167 kg (KAWASAKI Z400) to 188 kg (KAWASAKI Ninja ZX-4RR).
  • Engine sizes are very close.
Specification KAWASAKI Ninja ZX-4RR KAWASAKI Z400
Brand KAWASAKI KAWASAKI
Model KAWASAKI Ninja ZX-4RR KAWASAKI Z400
Engine size 400cc 400cc
Power 79.1hp 45hp
Torque 76.4nm. 37.2nm.
Cylinders / valves 4 cylinders, 16 valves Twin cylinder, 8 valves
Weight 188kg 167kg
Front brake Twin 290 mm discs, ABS 310 mm petal discs. Single balanced actuation, dual-piston caliper
Rear brake Single 220 mm disc, ABS 220 mm single petal disc. Dual-piston caliper
Seat height (cm) 80cm 78.5cm
Front tyre 110/70-17 110/70R17 M/C 54H
Rear tyre 150/60-17 150/60R17 M/C 66H
Cooling Liquid cooling Liquid cooling
Front suspension SFF-BP internal parts and adjustable spring preload/4.7 inches, 37 mm inverted fork 41mm telescopic fork
Rear suspension Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, adjustable compression, rebound, and spring preload/4.9 inches Bottom-Link Uni-Trak, gas-charged, preload adjustable
Motorcycle type Supersport Naked
Top speed 235km/h 185km/h
Fuel capacity / consumption 15 L – 6 L/100km 14 L – 3.5 L/100km
Service network
Service quality
Parts availability
Price $9399 $5399
Brand price lists View KAWASAKI price list View KAWASAKI price list
Extra features

Electronic Riding Aids

Economical Riding Indicator, Kawasaki Traction Control (KTRC) (3 modes), Kawasaki Quick Shifter (KQS) (dual-direction), Power Modes

Special Features

4.3" Full-color TFT Display, Smartphone Connectivity via RIDEOLOGY THE APP

-Power Modes

-Smartphone Connectivity

-Horizontal Back-link Rear Suspension

-New Slipper Clutch

-Economical Riding Indicator

Opinions

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2023 KAWASAKI Ninja ZX-4RR vs 2023 KAWASAKI Z400: Which One is Better for You?

2023 KAWASAKI Ninja ZX-4RR and 2023 KAWASAKI Z400 are very similar in terms of engine capacity and power. In this case, design, driving comfort, and personal preferences may take precedence. Additionally, 2023 KAWASAKI Ninja ZX-4RR, with its 79.1hp, stands out for users seeking speed and performance.

1. Cylinder Capacity and Performance

2023 KAWASAKI Ninja ZX-4RR and 2023 KAWASAKI Z400 have almost identical engine capacities, offering similar performance. In this case, design, driving comfort, and other features will play a more significant role in your choice.Both models have an engine capacity of 400cc. It offers comfort for intermediate users in urban areas and short distances.

2. Torque Power

2023 KAWASAKI Ninja ZX-4RR, with its 76.4Nm 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 Ninja ZX-4RR 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 Ninja ZX-4RR, as a Süpersport, can reach a maximum speed of 235 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 Ninja ZX-4RR features a Liquid-Cooled system, while 2023 KAWASAKI Z400 offers a Liquid-Cooled system. Both models deliver equal performance in their cooling systems.

5. Design and Comfort

2023 KAWASAKI Ninja ZX-4RR and 2023 KAWASAKI Z400 are close in weight, offering similar experiences for different usage scenarios. Additionally, 2023 KAWASAKI Ninja ZX-4RR, with a seat height of 80cm, 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 Z400 emerges as the winner of this comparison based on total points. 2023 KAWASAKI Ninja ZX-4RR and 2023 KAWASAKI Z400 have nearly identical engine capacities. 2023 KAWASAKI Ninja ZX-4RR, with higher torque, excels in rapid acceleration and steep climbs. 2023 KAWASAKI Ninja ZX-4RR, with a top speed of 235 km/h, stands out for speed enthusiasts. Both models have similar cooling systems, offering comparable performance for long journeys. In conclusion, 2023 KAWASAKI Z400 stands out in terms of technical specifications and overall performance. However, depending on your riding preferences and usage needs, both models offer unique advantages.

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Frequently asked questions

What is the top speed of KAWASAKI Ninja ZX-4RR vs KAWASAKI Z400?

KAWASAKI Ninja ZX-4RR is listed at 235 km/h vs 185 km/h for KAWASAKI Z400.

Which has more horsepower, KAWASAKI Ninja ZX-4RR or KAWASAKI Z400?

KAWASAKI Ninja ZX-4RR has 79 hp compared with 45 hp on the KAWASAKI Z400.

Which is better, KAWASAKI Ninja ZX-4RR 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.