2021 Aprilia RS 660 vs 2026 Suzuki GSX-R 1000/R

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
2026 Suzuki GSX-R 1000/R 2026 Suzuki GSX-R 1000/R

Sport

Engine
Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder, DOHC
Power
143.5 kW / 195 hp @ 13200 rpm
Top Speed
N/A
Weight
203 kg / 447.5 lbs
Full Specifications
General
Year20212026
Make ModelAprilia RS 660Suzuki GSX-R 1000/R
Dimensions
Seat Height815 mm / 32.0 in825 mm / 32.5 in
Wheelbase1370 mm / 53.9 in1420mm / 55.9 in
Ground Clearance-130 mm / 5.1 in
Height-1145 mm / 45.1 in
Length-2075 mm / 81.7 in
Width-705 mm / 27.8 in
Weights & Capacities
Dry Weight (kg)169-
Wet Weight (kg)183 203
Dry Weight169 kg / 372.5 lbs-
Fuel Capacity15 Litres / 3.9 US gal16 Litres / 3.5 US gal
Wet Weight183 kg / 403.4 lbs203 kg / 447.5 lbs
Performance
Max Power100 hp / 73.5 kW @ 10,500 rpm143.5 kW / 195 hp @ 13200 rpm
Max Torque67.0 Nm / 6.83 kgm @ 8,500 rpm110 Nm / 81.1 lb-ft @ 11000 rpm
Engine
Displacement659 cc / 40.2 cu-in998.6 cc / 60.9 cub. in
Engine DetailFour stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinderFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder, DOHC
Bore x Stroke81 x 63.93 mm76.0 x 55.1 mm
Compression Ratio13.5: 113.8:1
Cooling SystemLiquid cooled with radiator and water-oil heat exchangerLiquid cooled
EmissionsEuro 5 CO2 emissions - 116 g /km-
ExhaustAkrapovič - for race use onlyAkrapovič
Fuel InductionAirbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire managementFuel Injection
Ignition-Electronic ignition Transistorized
LubricationWet sumpWet sump
StarterElectricElectric
Drivetrain
ClutchWet, multi-plate, slipperWet, multi-plate type, SCAS-equipped
Final DriveChain, with drive ratio: 17/43Chain, DID525HV3, 120 links
Transmission / Drive6 Speed, AQS Aprilia Quick Shift6 Speed, constant mesh
Chassis
Frame TypeDouble beam aluminium frame with detachable rear seatAluminum
Suspension - FrontKayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload.Inverted telescopic, coil spring, oil damped
Suspension - RearAluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload.Link type, coil spring, oil damped
Rake24.1°23.2°
Trail104.6 mm95 mm / 3.7 in
Wheel Travel - Front120 mm / 4.7 in-
Wheel Travel - Rear130 mm / 5.1 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)-
Wheels & Brakes
Brakes - Front2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose2 x 320 mm Discs radial mount Brembo 4-piston calipers
Brakes - RearSingle 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hosSingle 220mm disc, Nissin, 1-piston
ABSABS Cornering multimap-
Tyres - Front120/70 ZR 17 Tubeless radials120/70ZR17M/C (58W) tubeless
Tyres - Rear180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials190/50 ZR17 M/C (73W) tubeless
Wheels - FrontIn aluminium alloy 3.5 x17-
Wheels - RearIn aluminium alloy 5.5 x17-