The Thom Browne 2014 Infiniti Q50 includes a chrome body finish, red, white and blue stripes from the seats to the floor mats and stitching on the steering wheel.

It also features a sterling silver ring encircling the gear-shift handle and a luggage set custom designed to fit in the trunk.

Named for the famous corner at Spa-Francorchamps, the Eau Rouge is a Formula One inspired concept car based on the Q50 premium sports sedan, with aerodynamic styling treatments and design elements influenced by Infiniti's partnership with Infiniti Red Bull Racing.

Changes include bespoke carbon fiber bodywork (carbon fiber front splitter, rear diffuser and side sill skirts, carbon fiber roof and door mirror casings), 20-inch lightweight forged alloy wheels, a dual-exit exhaust sports system below a large integrated rear spoiler, 20 mm wider wheel arches, red body color with overlaid tinted clear coat, matching carbon fiber door and center console panes, a high-grip sports steering wheel with Formula One-style paddle-shifters.

[30][31][32] Changes from Q50 Eau Rouge concept included a twin-turbocharged 3,799 cc (232 cu in) (568 PS (418 kW; 560 hp)/600 N⋅m (443 lb⋅ft)) V6 from the Nissan GT-R and a 7-speed automatic transmission and Intelligent AWD from the Infiniti Q70.

[33] The transmission and drivelines were compromises due to the inability of Infiniti to fit the rest of the GT-R's drivetrain into the prototype.

The vehicle was unveiled at the 2014 Geneva International Motor Show,[22] followed by the 2014 Goodwood Festival of Speed.

[40] On 16 October 2014 it was announced that the Infiniti Q50 would be entering the British Touring Car Championship for the 2015 season under the banner of Support our Paras.

[42] At that time, PRO Motorsport announced it would enter two cars in the championship driven by Richard Hawken and Derek Palmer Jr., the son of PRO Motorsport Team Principal Derek Palmer Sr., supporting the charity Support Our Paras through racing, and its long-term goal of developing, training and ensuring an injured Paratrooper graduates through the racing ranks to pilot an Infiniti Support Our Paras Racing car.

[11][28][45] The production of 2.0-liter turbocharged gasoline 4-cylinder developed by Daimler at the Nissan Decherd Powertrain Plant in Franklin County, Tennessee (US) began 26 June 2014.

[49] As part of the Q50 Eau Rouge Prototype launch, the #InfinitiRaceFace campaign was launched on 23 September 2014, awarding the grand prize winner the opportunity to attend the 2014 Formula One United States Grand Prix race, and also the chance to ride with Sebastian Vettel in the Infiniti Q50 Eau Rouge Prototype for a lap in downtown Austin on 29 October 2014.

[50] Unveiled at the 2016 Chicago Auto Show (Q50 2.0t, Q50 3.0t, Q50 Red Sport 400), the 2016 Q50 featured several updates, including the introduction of second-generation Direct Adaptive Steering with advanced levels of steering feel and feedback, introduction of Dynamic Digital Suspension, Drive Mode Selector with Personal mode, standard RACK Electronic Power Steering on 3.0t models, revised suspension settings provide an improved balance between confident handling and a more comfortable ride.