2024 APRILIA RS457 vs KAWASAKI Ninja ZX-4RR
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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.
- 2024 APRILIA RS457 81 cm Tallest seat here
- KAWASAKI Ninja ZX-4RR 80 cm Lowest seat here
Spread in this comparison: about 1 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 47 hp (2024 APRILIA RS457) up to 79.1 hp (KAWASAKI Ninja ZX-4RR).
- Torque spans 37.2 Nm (2024 APRILIA RS457) up to 76.4 Nm (KAWASAKI Ninja ZX-4RR).
- Weight spans 175 kg (2024 APRILIA RS457) to 188 kg (KAWASAKI Ninja ZX-4RR).
- Displacement spans 400 cc (KAWASAKI Ninja ZX-4RR) to 450 cc (2024 APRILIA RS457).
Reader votes so far — total 1: 2024 APRILIA RS457 (0); KAWASAKI Ninja ZX-4RR (1).
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| Specification | APRILIA RS457 | KAWASAKI Ninja ZX-4RR |
|---|---|---|
| Brand | APRILIA | KAWASAKI |
| Model | APRILIA RS457 | KAWASAKI Ninja ZX-4RR |
| Engine size | 450cc | 400cc |
| Power | 47hp | 79.1hp |
| Torque | 37.2nm. | 76.4nm. |
| Cylinders / valves | Twin cylinder, 8 valves | 4 cylinders, 16 valves |
| Weight | 175kg | 188kg |
| Front brake | 320 mm disc brake with four-piston caliper Dual Channel ABS | Twin 290 mm discs, ABS |
| Rear brake | 220 mm single disc, single-piston caliper ABS | Single 220 mm disc, ABS |
| Seat height (cm) | 81cm | 80cm |
| Front tyre | 110/70 - 17 | 110/70-17 |
| Rear tyre | 150/60 - 17 | 150/60-17 |
| Cooling | Liquid cooling | Liquid cooling |
| Front suspension | 41mm upside-down fork, adjustable preload, 120mm travel | SFF-BP internal parts and adjustable spring preload/4.7 inches, 37 mm inverted fork |
| Rear suspension | Monoshock, adjustable preload, 130 mm wheel travel | Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, adjustable compression, rebound, and spring preload/4.9 inches |
| Motorcycle type | Supersport | Supersport |
| Top speed | 220km/h | 235km/h |
| Fuel capacity / consumption | 15 L – 5 L/100km | 15 L – 6 L/100km |
| Service network | ||
| Service quality | ||
| Parts availability | ||
| Price | $6899 | $9399 |
| Brand price lists | View APRILIA price list | View KAWASAKI price list |
| Extra features | -Ride by Wire, 5-inch Colour TFT Display |
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 |
Opinions
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2024 APRILIA RS457 vs 2023 KAWASAKI Ninja ZX-4RR: listed specifications
The 2024 APRILIA RS457 and 2023 KAWASAKI Ninja ZX-4RR differ on the listed specifications: the RS457 has more displacement, and a lower listed weight, and the Ninja ZX-4RR has more peak power and torque, and the higher listed top speed.
Engine displacement
RS457 has a larger listed engine displacement (450 cc vs 400 cc).
Peak power
Ninja ZX-4RR has a clear listed power advantage (79.1 hp vs 47 hp).
Torque
Ninja ZX-4RR has a clear listed torque advantage (76.4 Nm vs 37.2 Nm).
Listed top speed
Ninja ZX-4RR has a modest listed top-speed advantage (235 km/h vs 220 km/h).
Cooling
Both motorcycles are listed as liquid-cooled.
Weight and seat height
RS457 has a modest listed weight advantage (175 kg vs 188 kg). RS457 and Ninja ZX-4RR have very similar seat heights (81 cm vs 80 cm).
Conclusion
The measurable differences are therefore concentrated in displacement, peak power, torque, listed top speed and weight, while seat height remains relatively close.
Frequently asked questions
What is the top speed of APRILIA RS457 vs KAWASAKI Ninja ZX-4RR?
KAWASAKI Ninja ZX-4RR is listed at 235 km/h (146 mph) vs 220 km/h (137 mph) for APRILIA RS457.
Which has more horsepower, APRILIA RS457 or KAWASAKI Ninja ZX-4RR?
KAWASAKI Ninja ZX-4RR has 79 hp compared with 47 hp on the APRILIA RS457.
Which is lighter, APRILIA RS457 or KAWASAKI Ninja ZX-4RR?
APRILIA RS457 is lighter at 175 kg vs 188 kg for KAWASAKI Ninja ZX-4RR.
Which is better, APRILIA RS457 or KAWASAKI Ninja ZX-4RR?
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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