Aprilia Middleweight supersport
RS 660 specs
Current and prior-year spec data for the Aprilia RS 660, including trims, colors, chassis numbers, electronics, and source links.
Compare the RS 660 → 2 RS 660 owners →
Year: 2026 2025 2024 2023 2022 2021
☆ Log in to watch 6 riders watching
Model note
Aprilia RS 660
The most exciting middleweight sportbike launch in years — 659cc parallel-twin (forward-canted RSV4 V4 half), full electronics package, ~400 lb wet. New benchmark for the class.
Model-year table
Side-by-side specs
Specs are normalized into shared fields so different brands can be compared without losing the source trail.
Aprilia RS 660
Base / Factory
$11,499 MSRP- Engine
- 659cc liquid-cooled DOHC parallel-twin (270° crank)
- Bore Stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Fuel System
- Marelli electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with quick shifter (up and down)
- Final Drive
- Chain
- Front Suspension
- 41 mm Kayaba inverted fork, fully adjustable
- Rear Suspension
- Kayaba single shock, fully adjustable
- Front Brakes
- Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
- Rear Brakes
- 220 mm disc
- Tires
- 120/70ZR17 front, 180/55ZR17 rear
- Wheelbase
- 54.9 in
- Seat Height
- 32.3 in
- Curb Weight
- 403 lb
- Fuel Capacity
- 4.0 gal
Electronics
6-axis IMU aPRC suite Cornering ABS Traction control Wheelie control Engine brake control Quick shifter Cruise control Power modesAprilia RS 660
Base / Factory
$11,499 MSRP- Engine
- 659cc liquid-cooled DOHC parallel-twin (270° crank)
- Bore Stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Fuel System
- Marelli electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with quick shifter (up and down)
- Final Drive
- Chain
- Front Suspension
- 41 mm Kayaba inverted fork, fully adjustable
- Rear Suspension
- Kayaba single shock, fully adjustable
- Front Brakes
- Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
- Rear Brakes
- 220 mm disc
- Tires
- 120/70ZR17 front, 180/55ZR17 rear
- Wheelbase
- 54.9 in
- Seat Height
- 32.3 in
- Curb Weight
- 403 lb
- Fuel Capacity
- 4.0 gal
Electronics
6-axis IMU aPRC suite Cornering ABS Traction control Wheelie control Engine brake control Quick shifter Cruise control Power modesAprilia RS 660
Base / Factory
$11,299 MSRP- Engine
- 659cc liquid-cooled DOHC parallel-twin (270° crank)
- Bore Stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Fuel System
- Marelli electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with quick shifter (up and down)
- Final Drive
- Chain
- Front Suspension
- 41 mm Kayaba inverted fork, fully adjustable
- Rear Suspension
- Kayaba single shock, fully adjustable
- Front Brakes
- Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
- Rear Brakes
- 220 mm disc
- Tires
- 120/70ZR17 front, 180/55ZR17 rear
- Wheelbase
- 54.9 in
- Seat Height
- 32.3 in
- Curb Weight
- 403 lb
- Fuel Capacity
- 4.0 gal
Electronics
6-axis IMU aPRC suite Cornering ABS Traction control Wheelie control Engine brake control Quick shifter Cruise control Power modesAprilia RS 660
Base
MSRP- Engine
- 659cc liquid-cooled DOHC parallel-twin (270° crank)
- Bore Stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Fuel System
- Marelli electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with quick shifter (up and down)
- Final Drive
- Chain
- Front Suspension
- 41 mm Kayaba inverted fork, fully adjustable
- Rear Suspension
- Kayaba single shock, fully adjustable
- Front Brakes
- Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
- Rear Brakes
- 220 mm disc
- Tires
- 120/70ZR17 front, 180/55ZR17 rear
- Wheelbase
- 54.9 in
- Seat Height
- 32.3 in
- Curb Weight
- 403 lb
- Fuel Capacity
- 4.0 gal
Electronics
6-axis IMU aPRC suite Cornering ABS Traction control Wheelie control Engine brake control Quick shifter Cruise control Power modesAprilia RS 660
Base
MSRP- Engine
- 659cc liquid-cooled DOHC parallel-twin (270° crank)
- Bore Stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Fuel System
- Marelli electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with quick shifter (up and down)
- Final Drive
- Chain
- Front Suspension
- 41 mm Kayaba inverted fork, fully adjustable
- Rear Suspension
- Kayaba single shock, fully adjustable
- Front Brakes
- Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
- Rear Brakes
- 220 mm disc
- Tires
- 120/70ZR17 front, 180/55ZR17 rear
- Wheelbase
- 54.9 in
- Seat Height
- 32.3 in
- Curb Weight
- 403 lb
- Fuel Capacity
- 4.0 gal
Electronics
6-axis IMU aPRC suite Cornering ABS Traction control Wheelie control Engine brake control Quick shifter Cruise control Power modesAprilia RS 660
Base
$11,299 MSRP- Engine
- 659cc liquid-cooled DOHC parallel-twin (270° crank, launch year)
- Bore Stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Fuel System
- Marelli electronic fuel injection with ride-by-wire
- Transmission
- 6-speed with quick shifter (up and down)
- Final Drive
- Chain
- Front Suspension
- 41 mm Kayaba inverted fork, fully adjustable
- Rear Suspension
- Kayaba single shock, fully adjustable
- Front Brakes
- Dual 320 mm Brembo discs with M4.32 monobloc calipers and cornering ABS
- Rear Brakes
- 220 mm disc
- Tires
- 120/70ZR17 front, 180/55ZR17 rear
- Wheelbase
- 54.9 in
- Seat Height
- 32.3 in
- Curb Weight
- 403 lb
- Fuel Capacity
- 4.0 gal
Electronics
6-axis IMU aPRC suite Cornering ABS Traction control Wheelie control Engine brake control Quick shifter Cruise control Power modesOn ThrottleGrid
2 riders ride a RS 660
Actual sold prices
What a RS 660 has gone for
Recent auctions
Real sales from Bring a Trailer auctions — last 12 months. Asking-price medians (above) tell you what dealers want; sold prices tell you what bikes actually go for.
Price trend
12-month median sold prices
Monthly median sold price from BaT auctions. Dots mark months with actual sales; the line is forward-filled across empty months for visual continuity. Window: 12 months.
Model discussion
1 thread about the RS 660
RS 660 software updates and service history
When shopping used, can an owner or dealer confirm completed software campaigns and updates by VIN? What paperwork should come with the…
knee_puck Community starter replied · 1w ago