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 → See RS 660 owners →
Year: 2026 2025 2024 2023 2022 2021
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.
2026
Aprilia RS 660
Base / Factory
$11,499 MSRP
Apex Black
Acid Gold
Lava Red
- 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 modes
2025
Aprilia RS 660
Base / Factory
$11,499 MSRP
Apex Black
Acid Gold
Lava Red
- 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 modes
2024
Aprilia RS 660
Base / Factory
$11,299 MSRP
Apex Black
Acid Gold
Lava Red
- 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 modes
2023
Aprilia RS 660
Base
MSRP
Apex Black
Acid Gold
- 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 modes
2022
Aprilia RS 660
Base
MSRP
Apex Black
Acid Gold
- 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 modes
2021
Aprilia RS 660
Base
$11,299 MSRP
Apex Black
Lava Red
Acid Gold
- 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 modesUsed market
What a RS 660 goes for right now
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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
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