2021 Aprilia RS 660 vs 2022 Honda CB 500X

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2021 Aprilia RS 660 2021 Aprilia RS 660

Sport

Engine
Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder
Power
100 hp / 73.5 kW @ 10,500 rpm
Top Speed
N/A
Weight
183 kg / 403.4 lbs
2022 Honda CB 500X 2022 Honda CB 500X

Sport

Engine
Twin, four-stroke
Power
46.9 hp / 35 kW @ 8600 rpm
Top Speed
N/A
Weight
438.7 pounds
Full Specifications
General
Comments-Model ID: CB500XA. Windscreen. Honda Intelligent Security System.
Year20212022
Colours-Grand Prix Red, Matt Gunpowder Black Metallic, Pearl Organic Green
Make ModelAprilia RS 660Honda CB 500X
Warranty-One year. Transferable. Unlimited-mileage.
Dimensions
Ground Clearance (in.)-7.1 inches
Ground Clearance (mm)-180 mm
Seat Height815 mm / 32.0 in830 mm / 32.7 in
Wheelbase1370 mm / 53.9 in1445 mm / 56.8 in
Ground Clearance-180 mm / 7.0 in
Height-1410 mm / 55.5 in - Low screen 1445 mm / 56.8 in - High screen
Length-1410 mm / 55.5 in - Low screen 1445 mm / 56.8 in - High screen
Width-830 mm / 32.6 in
Weights & Capacities
Oil Capacity (Quarts)-3.38 US quarts
Oil Capacity (l)-3.20 litres
Dry Weight169 kg / 372.5 lbs-
Fuel Capacity15 Litres / 3.9 US gal17.5 Litres / 4.6 US gal
Oil Capacity-3.2 Litres
Wet Weight183 kg / 403.4 lbs199 kg / 438.7 lbs
Performance
Max Power100 hp / 73.5 kW @ 10,500 rpm46.9 hp / 35 kW @ 8600 rpm
Max Torque67.0 Nm / 6.83 kgm @ 8,500 rpm43 Nm / 31.7 lb-ft @ 6500 rpm
Engine
CO2-83.5 CO2 g/km. (CO2 - Carbon dioxide emission)
Engine Type-Twin, four-stroke
Fuel Control-Double Overhead Cams/Twin Cam (DOHC)
Displacement659 cc / 40.2 cu-in471 cc / 28.7 cu-in
Engine DetailFour stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinderFour stroke, parallel-twin, DOHC, 4 valves per cylinder
Fuel System-Injection. PGM-FI with 34mm throttle bodies
Bore x Stroke81 x 63.93 mm67.0 x 66.8 mm
Compression Ratio13.5: 110.7:1
Cooling SystemLiquid cooled with radiator and water-oil heat exchangerLiquid cooled
EmissionsEuro 5 CO2 emissions - 116 g /kmEURO5
ExhaustAkrapovič - for race use only-
Fuel Consumption-3.60 litres/100 km (27.8 km/l or 65.34 mpg)
Fuel InductionAirbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire managementPGM-FI with 34mm throttle bodies
Ignition-Computer-controlled digital transistorized with electronic advance
LubricationWet sump-
StarterElectricElectric
Valve System-4
Drivetrain
Chain Size-520
ClutchWet, multi-plate, slipperWet multiplate
Final DriveChain, with drive ratio: 17/43#520 O-ring sealed chain
Gearbox-6-speed
Number of Chain Links-112
Primary Drive-520 O-ring-sealed chain; 15T/41T
Sprocket-15/41 (front/rear)
Transmission / Drive6 Speed, AQS Aprilia Quick Shift6 Speed
Chassis
Frame TypeDouble beam aluminium frame with detachable rear seatSteel diamond
Suspension - FrontKayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload.41mm Showa SFF-BP USD forks, pre-load adjustable
Suspension - RearAluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload.Prolink mono with 5 stage preload adjuster, steel hollow cross swingarm
Rake24.1°27.5°
Trail104.6 mm108 mm / 4.25 in
Wheel Travel - Front120 mm / 4.7 in150 mm / 5.9 in
Wheel Travel - Rear130 mm / 5.1 in135 mm / 5.3 in
Electronics
Electronics Package6-axis inertial platform, APRC suite which includes ATC (traction control, AWC (wheelie control), AEB (engine brake), AEM (engine map), ACC (cruise control) 5 Riding modes - (Road and Track, 3 fixed and 2 customizable)-
Electrical Systems
Instrumentation-LCD Meter with Speedometer, Bar Graph Tachometer, Dual Trip Meters, Fuel Level and Consumption Gauge, Clock, Water Temp, Gear position, Shift UP Indicator
Lighting system-LED lights
Wheels & Brakes
Brakes - Front2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose2x 296mm wave disc with Nissin radial-mount two piston calipers
Brakes - RearSingle 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hosSingle 240mm wave disc 1 piston calipers
ABSABS Cornering multimap2 Channel system
Rims-Multi-spoke cast aluminium
Rims - Front-19 X MT2.5
Rims - Rear-17 X MT4.5
Tyres - Front120/70 ZR 17 Tubeless radials110/80R19M/C (59H)
Tyres - Rear180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials160/60R17M/C (69H)
Wheels-Multi-spoke cast aluminium
Wheels - FrontIn aluminium alloy 3.5 x17-
Wheels - RearIn aluminium alloy 5.5 x17-

Verdict

Winner on specs

2021 Aprilia RS 660

The 2021 Aprilia RS 660 edges out the 2022 Honda CB 500X thanks to its lighter kerb weight and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2021 Aprilia RS 660 - Advantages

  • Lighter: 183 kg vs 199 kg - easier to handle and less fatiguing on long trips.
  • Larger displacement: 659 cc vs 471 cc - more cubic capacity means broader torque delivery and greater low-end pull.

2022 Honda CB 500X - Advantages

  • More front wheel travel: 150 mm vs 120 mm - greater compliance over rough surfaces.

2021 Aprilia RS 660 vs 2022 Honda CB 500X - FAQs

What are the engine differences between the 2021 Aprilia RS 660 and 2022 Honda CB 500X?
The 2021 Aprilia RS 660 uses Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder, while the 2022 Honda CB 500X is powered by Twin, four-stroke.
Which is lighter, the 2021 Aprilia RS 660 or the 2022 Honda CB 500X?
The 2021 Aprilia RS 660 is lighter at 183 kg compared to 199 kg for the 2022 Honda CB 500X - a difference of 16 kg. This is a meaningful difference that affects handling and rider fatigue.
Which bike is better for shorter riders, the 2021 Aprilia RS 660 or the 2022 Honda CB 500X?
The 2021 Aprilia RS 660 has the lower seat at 815 mm, making it more accessible. The 2022 Honda CB 500X sits higher at 830 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2021 Aprilia RS 660 or the 2022 Honda CB 500X?
Both are strong choices. The 2021 Aprilia RS 660 has the edge in lighter kerb weight and larger displacement, while the 2022 Honda CB 500X stands out for higher front wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.