Ever find yourself wishing for a McLaren->ke284 with more trunk space? Well, that might be in the works, according to a report from Car & Driver. Supposedly, McLaren is working on several variants of the upcoming 2015 P13, including a “GT” that features a trunk area on the rear of the car.

A rear trunk is a pretty normal thing, but not for mid-engine supercars->ke177 with V-8 powerplants. Sure, the Porsche Cayman has a boot, but its flat six-cylinder options are far more compact than the P13’s 3.8-liter, twin-turbo V-8. What’s more, the current McLarens’ rear ends have little free real estate due to cooling ducts, exhaust pipes, and the mechanics for the active rear wing.

C&D says their source is a well-informed McLaren insider who confirms the GT’s development. Additionally, McLaren believes it will be the best-selling iteration of the new P13.

The source also alluded to the automaker using some nifty engineering in order to keep the luggage compartment from becoming hot from its twin-turbocharged neighbor. Also included in the GT’s design will be a concave rear window similar to the one found on the Ferrari 206 GT Dino of the 1960s.

Though the GT version of the P13 is making headlines, the standard coupe->ke141 and a drop-top Spider version will also be available. All P13 variants will include the same carbon-fiber monocell construction and come powered by the same 3.8-liter V-8 as found in the 12C, 650S, and P1 -- though the engine will be detuned to somewhere between 450 and 470 horsepower.

Click past the jump to read more about the future McLaren P13.

Why It Matters

A more user friendly version of the P13 might actually have a strong sales case, especially considering the car’s least-expensive price tag in the McLaren garage. If C&D’s inside source is right about McLaren’s plans to build the car, it is certainly new territory for a mid-engine supercar. Even more important will be McLaren’s ability to sell the P13 GT. If the automaker finds itself with a major homerun design, then perhaps the company will further its down-market reach, making more obtainable, yet still highly-specialized supercars with (somewhat) utilitarian features.

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The P13 has been rumored ever since its big brother, the P1, hit the Geneva Motor Show floor back in 2013. Development mules have been spotted, so we know the car is under construction, though true specifics are still unknown. What we do know is McLaren will use the same carbon-fiber monocell that’s found in its other supercars, along with the same 3.8-liter, twin-turbocharged, V-8 engine.

Though constructed from similar forms, the P13 is said to be smaller and less powerful than its stable mates. It’s V-8 will likely be detuned to produce between 450 to 470 horsepower. A dual-clutch gearbox will be the car’s only choice in transmissions, as is rear-wheel-drive. While pricing hasn’t been confirmed yet, we expect the P13 to start around $130,000 and climb northward from there.