The Moto Ref

Aprilia RS 457 vs Kawasaki Ninja 500

Two supersport bikes scored on the same 100-point system: specs side by side, points per category and a verdict that commits.

Aprilia

RS 457

51.3

/ 100

vs

Kawasaki

Ninja 500

60.0

/ 100

Winner

0 to 100 km/h

Estimated from power to weight, not a measured time.

0.00 s

Aprilia RS 4570 km/h- s
RS 457
Kawasaki Ninja 5000 km/h- s
Ninja 500

Points by category

Six categories, 100 points. How every point is calculated

Engine and performance

out of 25
RS 457
20.0
Ninja 500
13.9

Handling and chassis

out of 20
RS 457
8.1
Ninja 500
10.3

Value

out of 20
RS 457
4.0
Ninja 500
16.0

Practicality

out of 15
RS 457
5.5
Ninja 500
8.7

Technology

out of 10
RS 457
7.7
Ninja 500
1.8

Reliability and ownership

out of 10
RS 457
6.0
Ninja 500
9.3

Specs side by side

Full specification comparison: Aprilia RS 457 versus Kawasaki Ninja 500
SpecApriliaRS 457KawasakiNinja 500
Engine
EngineParallel twin, liquid cooled, DOHCParallel twin, liquid cooled, DOHC
Displacement457 cc451 cc
Power47.6 hp at 9,400 rpm45.4 hp at 9,000 rpm
Torque43.5 Nm at 6,700 rpm42.6 Nm at 6,000 rpm
Power to weight0.27 hp/kg0.27 hp/kg
Chassis
Wet weight175 kg171 kg
Front suspension41 mm inverted fork, 120 mm41 mm telescopic fork, 120 mm
Front adjustabilityPreload onlyNon-adjustable
Rear suspensionMonoshock, 130 mmMonoshock, 130 mm
Rear adjustabilityPreload onlyPreload only
Front brake320 mm, radial 4-piston310 mm, axial 2-piston
ABSSwitchable ABSStandard ABS
Dimensions
Seat height800 mm785 mm
Wheelbase1360 mm1375 mm
Fuel capacity13 L14 L
Claimed consumption3.8 L/100 km3.9 L/100 km
Fuel range342 km359 km
Ownership
Price€7,050€6,595
Service interval10,000 km12,000 km
Valve check20,000 km24,000 km
Warranty2 years4 years
Equipment
DashTFTLCD
Ride modesYesNo
Traction controlYesNo
QuickshifterOptionalNot available
Cruise controlNot availableNot available
ConnectivityYesNo

Verdict

The Kawasaki Ninja 500 wins this comparison clearly, 60 points to 51.3.

The gap of 8.7 points is built mostly in value, where the Ninja 500 takes 12 points out of the RS 457. Scores are computed within each bike's class from published spec data; the full formula is on the methodology page.

On the road the RS 457 is the quicker machine: 47.6 hp and 43.5 Nm moving 175 kg, against 45.4 hp and 42.6 Nm moving 171 kg for the Ninja 500. That is 0.27 hp per kilo playing 0.27.

The Ninja 500 costs €6,595, which leaves €455 in your pocket against the RS 457 at €7,050. Service intervals run 12,000 km on the Ninja 500 and 10,000 km on the RS 457.

Better for city and commuting

Kawasaki Ninja 500

A 785 mm seat, 359 km of tank range and the stronger practicality and value scores make it the easier bike to live with daily.

Better for weekend twisties

Aprilia RS 457

47.6 hp pushing 175 kg with 41 mm inverted fork up front. It takes the combined engine and handling points.

Better for longer trips

Aprilia RS 457

342 km between fuel stops and the better equipment score. Distance rewards range and rider aids, and it has more of both.

Frequently asked

Which is faster, the Aprilia RS 457 or the Kawasaki Ninja 500?
The Aprilia RS 457. It carries 0.27 hp per kilo (47.6 hp, 175 kg wet) against 0.27 hp per kilo for the Kawasaki Ninja 500 (45.4 hp, 171 kg).
Is the Aprilia RS 457 cheaper than the Kawasaki Ninja 500?
The Kawasaki Ninja 500 is cheaper at €6,595 list, €455 less than the Aprilia RS 457 at €7,050.
Which is better for shorter riders?
The Kawasaki Ninja 500. Its 785 mm seat is 15 mm lower than the Aprilia RS 457, and at 171 kg it is the easier bike to manage at a stop.
Which has better technology, the RS 457 or the Ninja 500?
The Aprilia RS 457, which scores 7.7 of 10 tech points with a TFT dash, traction control and phone connectivity. The Kawasaki Ninja 500 counters with a deliberately simple spec.
Which goes further on a tank?
The Kawasaki Ninja 500: 359 km from its 14 litre tank at the claimed consumption, against 342 km for the Aprilia RS 457.
Which bike wins overall?
The Kawasaki Ninja 500, scoring 60 of 100 against 51.3 on our within-class points system. The full breakdown and formula are public on the methodology page.

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