2025 Aprilia RS 457 vs 2014 Kawasaki Ninja 400

The Aprilia RS 457 records higher power, higher torque, a lower weight and larger displacement than the Kawasaki Ninja 400.

Recorded specification differences

  • Manufacturer: Aprilia RS 457 Aprilia, Kawasaki Ninja 400 Kawasaki
  • Model: Aprilia RS 457 Aprilia RS 457, Kawasaki Ninja 400 Kawasaki Ninja 400
  • Year: Aprilia RS 457 2025, Kawasaki Ninja 400 2014
  • Displacement: Aprilia RS 457 457, Kawasaki Ninja 400 399
  • Power: Aprilia RS 457 47.6, Kawasaki Ninja 400 43
  • Torque: Aprilia RS 457 43.5, Kawasaki Ninja 400 37
  • Weight: Aprilia RS 457 175, Kawasaki Ninja 400 209
  • Seat height: Aprilia RS 457 80, Kawasaki Ninja 400 81
Aprilia RS 457 vs Kawasaki Ninja 400 key specifications
SpecAprilia RS 457Kawasaki Ninja 400
Year20252014
CategorySportSport
Displacement457399
Power47.643
Torque43.537
Weight175209

Power

The Aprilia RS 457 records 47.6 hp, 4.6 hp (10.7%) more than the Kawasaki Ninja 400 at 43 hp.

Torque

The Aprilia RS 457 records 43.5 Nm of torque, 6.5 Nm (17.6%) more than the Kawasaki Ninja 400 at 37 Nm.

Weight

The Aprilia RS 457 records a lower wet weight of 175 kg, 34 kg less than the Kawasaki Ninja 400 at 209 kg.

Displacement

The Aprilia RS 457 records 457 cc, 58 cc (14.5%) more than the Kawasaki Ninja 400 at 399 cc.

Seat height

The Kawasaki Ninja 400 has a higher recorded seat height (81) than the Aprilia RS 457 (80), a difference of 1.

Power-to-weight

The Aprilia RS 457 has the higher power-to-weight figure at 0.272 hp/kg, compared with 0.206 hp/kg for the Kawasaki Ninja 400.

Frequently asked questions

Which motorcycle records more power, the Aprilia RS 457 or the Kawasaki Ninja 400?

The Aprilia RS 457 records 47.6 hp, 4.6 hp (10.7%) more than the Kawasaki Ninja 400 at 43 hp.

Which motorcycle records more torque, the Aprilia RS 457 or the Kawasaki Ninja 400?

The Aprilia RS 457 records 43.5 Nm of torque, 6.5 Nm (17.6%) more than the Kawasaki Ninja 400 at 37 Nm.

Which motorcycle records the lower weight, the Aprilia RS 457 or the Kawasaki Ninja 400?

The Aprilia RS 457 records a lower wet weight of 175 kg, 34 kg less than the Kawasaki Ninja 400 at 209 kg.

Which motorcycle records larger displacement, the Aprilia RS 457 or the Kawasaki Ninja 400?

The Aprilia RS 457 records 457 cc, 58 cc (14.5%) more than the Kawasaki Ninja 400 at 399 cc.

How do the recorded seat heights of the Aprilia RS 457 and the Kawasaki Ninja 400 compare?

The Kawasaki Ninja 400 has a higher recorded seat height (81) than the Aprilia RS 457 (80), a difference of 1.

Which motorcycle has the higher power-to-weight figure, the Aprilia RS 457 or the Kawasaki Ninja 400?

The Aprilia RS 457 has the higher power-to-weight figure at 0.272 hp/kg, compared with 0.206 hp/kg for the Kawasaki Ninja 400.

VS
Aprilia logo

Aprilia RS 457

2025Sport

Displacement457 cc
Power47.6 hp
Kawasaki logo

Kawasaki Ninja 400

2014Sport

Displacement399 cc
Power43 hp

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Better
Worse

Aprilia RS 457

2025 • Sport

Kawasaki Ninja 400

2014 • Sport

Engine & Performance

Engine Displacement
457 cc
399 cc
Power
47.6 hp
43 hp
Torque
43.5 Nm
37 Nm
Engine Type
Other
-
Engine Details
Other | DOHC | Cylinder: 2
DOHC
Power / Weight
0.2994 hp/kg
0.206 hp/kg
Valves / Cylinder
4
4
Compression Ratio
10.5:1
11.0:1

Fuel & Capacity

Fuel System
Injection
Injection
Cooling System
Liquid-cooled
Liquid-cooled
Starter
Electric
Electric

Transmission & Drive

Gearbox
Manual 6-speed
Manual 6-speed
Transmission
Chain
Chain

Chassis & Suspension

Front Suspension
Inverted
Telescopic
Rear Suspension
Swing-Arm
-

Brake System

Front Brakes
Disc x2 ABS
Disc x2 ABS
Rear Brakes
Disc ABS
Disc ABS

Tires & Wheels

Front Tyre
110/70-R17
120/70-17
Rear Tyre
150/60-R17
160/60-17

Dimensions & Weight

Length
-
211 cm
Height
-
120 cm
Seat Height
80 cm
81 cm
Wheelbase
134.9 cm
141 cm
Ground Clearance
-
13 cm
Dry Weight
159 kg
-
Wet Weight
175 kg
209 kg

Disclaimer: The technical specifications, performance values, ride profile analyses, match scores, and other data presented on this page are compiled for informational purposes and processed through algorithmic calculations. Their source, license, and commercial-use rights are not fully documented. This information does not constitute a definitive, official, or binding reference. Actual values may vary depending on the model year, market, equipment options, riding conditions, and individual use. Before making a purchase decision, we strongly recommend consulting an authorized dealer or the manufacturer for verified and up-to-date specifications. RPMVault assumes no liability for any decisions made based on the information provided on this page.