Description
The Grand National Experimental was created in partnership with McLaren Performance Technologies/ASC to celebrate the end of the vehicle’s production run, and all 547 examples were finished in black. Cosmetic details specific to the GNX include heat-extracting fender vents, composite wheel arch flares, a three-piece rear spoiler, and GNX badging. Additional exterior details include an automatic power antenna, a rear window defogger, sport mirrors, and dual exhaust outlets. The bumper fillers have been replaced.
Factory 16″ cross-lace wheels…
The Grand National Experimental was created in partnership with McLaren Performance Technologies/ASC to celebrate the end of the vehicle’s production run, and all 547 examples were finished in black. Cosmetic details specific to the GNX include heat-extracting fender vents, composite wheel arch flares, a three-piece rear spoiler, and GNX badging. Additional exterior details include an automatic power antenna, a rear window defogger, sport mirrors, and dual exhaust outlets. The bumper fillers have been replaced.
Factory 16″ cross-lace wheels feature GNX-branded center caps along with chrome trim rings and are mounted with Goodyear Eagle VR50 tires. The GNX features front suspension components from the contemporary Grand National, and upgraded rear components include a Panhard rod, torque arm, and an additional frame cross member. Braking is handled by power-assisted front discs and rear drums.
The cabin features front bucket seats and a rear bench upholstered in black and Sand Gray cloth, with Turbo 6 embroidery on the front seat headrests. Additional amenities include a power-adjustable driver’s seat, cruise control, power windows, and a Delco AM/FM/cassette stereo with a graphic equalizer. A plaque mounted to the passenger side of the dashboard identifies this as GNX #321. The headliner is said to have been replaced in 2018. The air conditioning currently does not work.
The three-spoke leather-wrapped steering wheel fronts GNX-specific Stewart-Warner instrumentation consisting of a 160-mph speedometer, an 8k-rpm tachometer, and gauges for boost, oil pressure, coolant temperature, and fuel level. The five-digit odometer shows 999 miles, approximately 147 of which were added under current ownership.
The 3.8-liter V6 was modified by ASC/McLaren with a Garrett T3 turbocharger under a heat shield with GNX lettering along with a larger air-to-air intercooler and a low-restriction exhaust system. Factory-rated output was 276 horsepower and 360 lb-ft of torque. The radiator and heater are said to have been recored in 2016. Corrosion is noted at the exhaust manifold.
Power is sent to the rear wheels through a Turbo-Hydramatic 200R4 four-speed automatic transmission with a factory-upgraded oil cooler and a limited-slip differential that features a GNX-branded aluminum rear cover.
The window sticker lists factory equipment and a total price of $29,290.
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