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Check out the new RSV4 X-GP, Aprilia’s craziest superbike yet

Only 30 examples of this top-tier superbike will ever be produced.

EJ Punsalang EJ Punsalang on Sep 10, 2025
Check out the new RSV4 X-GP, Aprilia’s craziest superbike yet

Italian motorcycle brand Aprilia comes from Noale, a small Italian town with a big racing habit. The company made its name on sharp chassis, clever electronics, and a willingness to try ideas others wouldn’t. From two-strokes to superbikes to MotoGP, Aprilia’s story has always been about turning race tech into feel. Not just power figures, but the way a bike talks back when you brake late, tip in, and pick it up on the throttle.

That mindset leads to the new RSV4 X-GP, a track-only special built to mark ten years of the RS-GP in MotoGP. Only 30 units will exist. Price is €90,000 before VAT, or about P6.01M at recent rates. It isn’t street legal, and it doesn’t pretend to be. This is Aprilia handing private riders something very close to a prototype.

The headline is aero. The X-GP brings leg wings and tail wings to a factory-derivative bike for the first time, straight from the RS-GP25. They work with the front, under, and cornering wings to stack real downforce when you need grip most. The side fairings create ground effect in lean, pressing the bike into the surface for stability on entry and drive on exit. Compared to a standard RSV4, Aprilia claims about five times the vertical load on the straight and triple mid-corner.

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Aprilia RSV4 X-GP

There’s a big structural change at the rear too. The seat support is carbon and structural, made with a sandwich lay-up by PAN Compositi. It’s light and stiff, so feedback from the rear tyre is cleaner. All bodywork is carbon. Wheels are forged magnesium Marchesinis. Dry weight is just 165kg.

The 1,099cc V4 is prepared by Aprilia Racing to 238hp at 13,750rpm and 131Nm at 11,750rpm, with max revs at 14,100rpm. It breathes through a high-permeability Sprint Filter, feeds dedicated intake trumpets, and exits via a titanium SC-Project double-pipe system. An STM dry clutch handles downshifts under heavy load.

Electronics are full race. The APX ECU brings GPS data logging and per-gear control of traction, wheel lift mitigation, power delivery, and engine braking. Aprilia even includes a laptop loaded with the same software their engineers use, so you can tune maps and strategies for your track and your style.

Hardware matches the brief. Öhlins pressurized-cartridge forks up front and a TTX piggyback shock at the rear, both mechanically controlled and fully adjustable. Brembo GP4 MS calipers bite 330mm T-Drive rotors with Z04 pads. A nickel-plated rear caliper handles the back. Tyres are Pirelli slicks in WorldSBK sizes: 125/70 front and 200/65 rear. Add racing switchgear from Jetprime, adjustable billet footpegs and levers from Spider, oversized water and oil radiators, and the small things that make a big difference on lap three when the heat builds.

Aprilia RSV4 X-GP
Aprilia RSV4 X-GP

Each bike is numbered and finished in RS-GP25 livery. The bundle includes tyre warmers, front and rear stands, a floor mat, a cover, and a blockchain-backed digital certificate. You can even collect it in Noale and tour the race department.

Why it matters for you and me: halo projects like this push ideas that trickle into the next RSV4 or Tuono you can actually register. Aero that keeps the front settled on the brakes. Data tools that help riders tune engine braking to match their corner speed. Chassis pieces that take weight out while keeping feel in. Even if the X-GP never lands in your garage, the lessons will.

Only 30 units will be built, with reservations handled online through Aprilia’s Factory Works program. If you’re curious where Aprilia tech goes next—or you want to see which models you can actually ride home—check out the RSV4 and the rest of Aprilia’s lineup in our comprehensive Bike Guide on MotoDeal.

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