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Prodrive's P25 is the modern Subaru Impreza 22B STI of your dreams

The Prodrive P25 looks like a Subaru Impreza 22B STI, but punches out 300kW/600Nm from its 2.5-litre engine.

Retro styling with modern internals, that’s the approach Prodrive has taken in its homage to the the iconic Subaru Impreza 22B STI.

Created to celebrate 25 years since the debut of the two-door Impreza back in 1997, the Prodrive P25 is limited to just 25 units and costs a staggering £460,000 ($A809,094) – making it more expensive than a Lamborghini Aventador S, Ferrari 812 GTS and Porsche 911 Turbo S.

To justify its price, the 22B homage makes use of the bodywork and chassis of the original two-door Impreza WRX, but Prodrive has stripped weight and fitted a more powerful engine.

Whereas the original car was powered by a 206kW/363Nm 2.2-litre turbo-petrol flat four, the 2022 version scores a 2.5-litre turbo-petrol engine tuned to 300kW/600Nm.

Based on Subaru’s current 2.5-litre engine block, Prodrive has tweaked the cylinder liners, pistons and con rods, as well as adding a Garrett-branded motorsport turbocharger, high-performance intercooler and Akrapovic titanium/stainless-steel exhaust to achieve the higher outputs.

Paired to the engine is a six-speed semi-automatic gearbox with a “WRC-derived launch control and turbo anti-lag”, and with drive sent to all four wheels, will enable a 0-100km/h sprint in just 3.5 seconds.

To help the new car boogie around the corners, there’s also an adjustable active centre differential, limited-slip differentials for both axles and Bilstein dampers.

The brakes come from AP Racing and measure 380mm/350mm front/rear, clamped by six- and four-piston calipers respectively, while 19-inch wheels shod in 235/35 Bridgestone Potenza rubber also features.

With a carbon composite bonnet, boot, roof, front and rear quarter panels, and spoiler, the new 22B tips the scales at just 1200kg.

Buyers can also opt for race seats, carbon door cards and lithium-ion battery to further save weight, while the rear seats can also be deleted in favour of a partial roll cage.

Inside, the instrumentation is all digital, allowing drivers to select varying throttle and engine performance settings.