Motorcycle A
2025 Aprilia RS 660 ExtremaAprilia MotorcyclesSport Motorcycles2025 Aprilia RS 660 Extrema vs 2014 Kawasaki Ninja 400
The Aprilia RS 660 Extrema records higher power, higher torque, a lower weight and larger displacement than the Kawasaki Ninja 400.
Motorcycle B
2014 Kawasaki Ninja 400Kawasaki MotorcyclesSport MotorcyclesRecorded specification differences
- Manufacturer: Aprilia RS 660 Extrema Aprilia, Kawasaki Ninja 400 Kawasaki
- Model: Aprilia RS 660 Extrema Aprilia RS 660 Extrema, Kawasaki Ninja 400 Kawasaki Ninja 400
- Year: Aprilia RS 660 Extrema 2025, Kawasaki Ninja 400 2014
- Displacement: Aprilia RS 660 Extrema 659, Kawasaki Ninja 400 399
- Power: Aprilia RS 660 Extrema 100, Kawasaki Ninja 400 43
- Torque: Aprilia RS 660 Extrema 67, Kawasaki Ninja 400 37
- Weight: Aprilia RS 660 Extrema 180, Kawasaki Ninja 400 209
- Seat height: Aprilia RS 660 Extrema 82, Kawasaki Ninja 400 81
| Spec | Aprilia RS 660 Extrema | Kawasaki Ninja 400 |
|---|---|---|
| Year | 2025 | 2014 |
| Category | Sport | Sport |
| Displacement | 659 | 399 |
| Power | 100 | 43 |
| Torque | 67 | 37 |
| Weight | 180 | 209 |
Power
The Aprilia RS 660 Extrema records 100 hp, 57 hp (132.6%) more than the Kawasaki Ninja 400 at 43 hp.
Torque
The Aprilia RS 660 Extrema records 67 Nm of torque, 30 Nm (81.1%) more than the Kawasaki Ninja 400 at 37 Nm.
Weight
The Aprilia RS 660 Extrema records a lower wet weight of 180 kg, 29 kg less than the Kawasaki Ninja 400 at 209 kg.
Displacement
The Aprilia RS 660 Extrema records 659 cc, 260 cc (65.2%) more than the Kawasaki Ninja 400 at 399 cc.
Seat height
The Aprilia RS 660 Extrema has a higher recorded seat height (82) than the Kawasaki Ninja 400 (81), a difference of 1.
Power-to-weight
The Aprilia RS 660 Extrema has the higher power-to-weight figure at 0.556 hp/kg, compared with 0.206 hp/kg for the Kawasaki Ninja 400.
Frequently asked questions
Which motorcycle records more power, the Aprilia RS 660 Extrema or the Kawasaki Ninja 400?
The Aprilia RS 660 Extrema records 100 hp, 57 hp (132.6%) more than the Kawasaki Ninja 400 at 43 hp.
Which motorcycle records more torque, the Aprilia RS 660 Extrema or the Kawasaki Ninja 400?
The Aprilia RS 660 Extrema records 67 Nm of torque, 30 Nm (81.1%) more than the Kawasaki Ninja 400 at 37 Nm.
Which motorcycle records the lower weight, the Aprilia RS 660 Extrema or the Kawasaki Ninja 400?
The Aprilia RS 660 Extrema records a lower wet weight of 180 kg, 29 kg less than the Kawasaki Ninja 400 at 209 kg.
Which motorcycle records larger displacement, the Aprilia RS 660 Extrema or the Kawasaki Ninja 400?
The Aprilia RS 660 Extrema records 659 cc, 260 cc (65.2%) more than the Kawasaki Ninja 400 at 399 cc.
How do the recorded seat heights of the Aprilia RS 660 Extrema and the Kawasaki Ninja 400 compare?
The Aprilia RS 660 Extrema has a higher recorded seat height (82) than the Kawasaki Ninja 400 (81), a difference of 1.
Which motorcycle has the higher power-to-weight figure, the Aprilia RS 660 Extrema or the Kawasaki Ninja 400?
The Aprilia RS 660 Extrema has the higher power-to-weight figure at 0.556 hp/kg, compared with 0.206 hp/kg for the Kawasaki Ninja 400.
VS
Aprilia RS 660 Extrema
2025•Sport
Displacement659 cc
Power100 hp
Kawasaki Ninja 400
2014•Sport
Displacement399 cc
Power43 hp
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.