Ferrari unveils SF90 XX: first ever road-legal XX car

• First road-legal XX-labelled Ferrari
• Uprated to 1,030hp, 804Nm
• Lots of aerodynamic upgrades
• 799 Stradale coupes to be built…
• … and 599 Spider convertibles
• Arriving in Summer 2024

Ferrari has taken the covers off the most extreme version of the SF90 plug-in hybrid hypercar to date – the SF90 XX.

Inspired by the exclusive track-only XX programme, this is the first road-legal Ferrari to hold the XX name. Both the Stradale coupe and Spider convertible have been given this extreme treatment.

With upgrades to the engine and aerodynamics, the SF90 XX is the most powerful road-going Ferrari currently being built, while it’s also the most aerodynamically efficient.

Ferrari SF90 XX design

Let’s be honest, the SF90 wasn’t a bad looking car before this upgrade, but we’re not sure if these aerodynamic upgrades have made it better. With inspiration from the 296 GT3 race car, the SF90 XX also draws from the iconic XX models of the past, like the FXX-K Evo that was based on the LaFerrari.

The obvious addition is the new mahoosive rear wing. It’s been designed with the other aero elements at the rear in mind to prevent a build-up of pressure, while the Ferrari Design Studio has at least tried to make it look in keeping with the rest of the car.

An additional Gurney flap has been fitted to regulate the downforce, again reducing pressure over the rear. It has high and low downforce settings to help in the corners and on the straights respectively. When in high downforce mode, the combination of wing and Gurney flap creates 315kg of downforce at 155mph.

Elsewhere, Ferrari has sealed the underfloor under the bonnet and added two S-ducts to channel hot air from the newly-angled radiator over the car that add 20% more downforce to the front end. They sit above a new larger front splitter that adds 45kg of downforce, with a new rear diffuser also fitted

Ferrari has also taken a jigsaw to the front and rear wheel arches to reduce pressure in the wheel wells, while inlets behind the cabin and under the wing draw cool air into the engine bay.

If you want the wind blowing through your hair instead, the SF90 XX Spider will definitely do that. You get the lower flying buttresses at the rear compared to the Stradale to provide a different look, while the roof folds up and down in just 14 seconds.

Both versions now get a full rear-width light bar as well, which offers a different rear character compared to the normal SF90.

Ferrari SF90 XX power

There’s been an upgrade in the engine bay too. Although it’s not the biggest upgrade in the world, the 30hp uplift helps take the overall output of the SF90 XX to 1,030hp, while torque remains the same at 804Nm.

That’s been achieved by new pistons and combustion chamber machining to up the compression ratio, while inlet and exhaust ducts have been polished. The 4.0-litre twin-turbo V8 now makes 797hp and is paired to the same eight-speed dual-clutch automatic gearbox as before.

But as with the standard SF90, you get the three electric motors – two on the front axle and one on the rear – providing 233hp of the power.

With that performance on tap, 0-60mph takes just 2.3 seconds in its most aggressive mode, but with the extra aero bits and bobs, top speed is 199mph – down from 211mph in the standard car.

Ferrari has also tweaked the exhaust system to provide a “fuller, richer sound”. It’s worked on the hot tubes and resonator to make the top-end of the rev range particularly exciting to hear.

Ferrari SF90 XX price

If this extreme SF90 is up your alley, you’d need to cough up at least £660,000 for the Stradale coupe, while the open-top Spider costs from £730,000.

This is all hypothetical of course, as only Ferrari’s most loyal customers have been able to have access to the SF90 XX, and all 799 Stradales and 599 Spiders are sold.

Still, we can still hope to see it on a drag race one day. They’ll start to be delivered from summer 2024.

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