The 2020 Nissan GT-R Nismo has received a raft of upgrades to bend the laws of physics even further. But it comes with a hefty price hike.

The changes start with the bodywork which has been tweaked for better aero and cooling, applying lessons learned from the GT-R GT3 race car. The front and rear bumpers, front wings, bonnet, boot lid, sill covers, rear wing and roof are made from carbonfibre, trimming 10.5kg off the Nismo’s weight.

Yet more mass has been shaved away elsewhere, including 100g from each of the 20in Rays wheels. Standard carbon ceramic brakes nestle behind, measuring a whopping 410mm at the front and 390mm at the rear. Suspension, steering and tyres have all been tweaked, as well.

Under the bonnet we find we find the same turbo set-up as used in the GT3 racer. It’s lighter and therefore spools up quicker when gas starts flowing through, improving throttle response. Output is unchanged at 600hp.

The result of all this is a lap around Nissan’s development track some 2.5secs quicker than the previous iteration of the GT-R Nismo.

Nissan hasn’t quoted a 0-62mph time – we expect it to fall around the 2.5sec mark – but has confirmed a top speed of 186mph.

Inside, there’s a pair of new Recaro bucket seats that are lighter and stiffer than before. Leather, synthetic suede and Alcantara covers pretty much every surface.

This comes at a cost. At £174,995, the 2020 GT-R Nismo costs a massive £25,000 more than the old car. And £34,000 more than a Porsche 911 GT3 RS.

That gap to the Porsche matters, as it’s the Nismo’s closest rival. We suspect there wouldn’t be much between them on a track but the 911, as uncompromising as it is, would be more tolerable on the road.

Not that Porsche comparisons matter to the small band of die-hards that will be more than happy to stump up for the ultimate GT-R.

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By Graham King