This 2023 BAC Mono X is a second-generation example that was purchased new by the current owner, and it currently has 1,972 miles. The carbon-fiber composite bodywork is finished in Metallic Liquid Silver with exposed carbon-fiber bodysides and red and green accents over a TIG-welded seamless tube steel chassis. Power comes from a Mountune Racing-built 2,488cc inline-four linked with a Hewland FTR six-speed sequential gearbox and a Powerflow limited-slip differential, and additional equipment includes adjustable Öhlins dampers, AP Racing disc brakes 17″ OZ Racing alloy wheels, centrally mounted headlights, a bodyside air intake pod, a rear spoiler and diffuser, a single-seat trimmed in black leather and microsuede upholstery, a multifunction steering wheel on a quick-release hub, a cockpit-mounted electrical cutoff switch, and a Sabelt safety harness. This BAC Mono is now offered on dealer consignment with spare wheels and parts, a color-coordinated Bell/BAC Design helmet, factory extras, a clean Carfax report, and a clean California title listing the car as a 0000 SPCNS.

The second-generation Mono X was unveiled at Monterey Car Week in August 2023, with customer deliveries beginning the following month. The graphene-enhanced carbon-fiber body panels on this example are finished in Metallic Liquid Silver with Petronas Green and Brilliant Red accents that were reportedly inspired by the Mercedes AMG Petronas Formula 1 team. They are wrapped around a TIG-welded seamless tube steel chassis with a carbon-fiber crash box. The tail panel features a gloss black checkerboard graphic, and exposed carbon fiber is visible on the fenders and bodysides. Equipment includes a pair of headlights mounted under a plexiglass cover in the nose of the car as well as LED headlights and taillights, teal-accented side-view mirrors, a left-side air intake pod, a rear spoiler and diffuser, and a central taillamp. Paint protection film has been applied to the bodywork.

The 17″ OZ Racing alloy wheels are finished in black with teal rims, and they are mounted with 205/45 front and 255/40 rear Pirelli P Zero Trofeo R tires. A set of four OZ Racing Alleggerita HLT wheels with Pirelli P Zero slicks is included in the sale. The pushrod suspension utilizes billet aluminum uprights, Eibach springs, adjustable Öhlins dampers, and front and rear anti-roll bars. Stopping power is provided by four-piston AP Racing calipers over ventilated steel rotors at all four corners.

The single-seat cockpit is trimmed in black leather and microsuede upholstery with white contrast stitching. Equipment includes an electrical cutoff switch, a fire-suppression system, a brake bias adjuster, an adjustable pedal box, and a six-point Sabelt safety harness.

The multifunction steering wheel features carbon-fiber accents as well as hand controls and an LCD display screen, and it is mounted on a quick-release hub. The digital odometer shows 1,972 miles.

The Mountune Racing-built 2,488cc inline-four acts as a semi-structural component and features dry-sump lubrication, a gas-flowed cylinder head, forged connecting rods and pistons, and a carbon-fiber airbox. Output was factory rated at 315 horsepower.

Power is sent to the rear wheels via a six-speed Hewland FTR sequential gearbox, an AP racing clutch, and a Powerflow limited-slip differential.

Carbon-fiber underbody panels are fitted fore and aft.

A California BAR sticker is present.

The included purchase agreement is presented in the gallery, and it lists options and standard features.