1985 Porsche 911 M491 ‘Turbo Look’ with Twin-Plug 3.4L Now Live on Bring a Trailer

May 28

May 28, 2025 · Motive Archive

Rare M491 coupe in Guards Red, upgraded with a 3.4L twin-plug flat-six and performance enhancements—auction ends June 3rd.

A 1985 Porsche 911 displayed from the side. The vehicle features a bright red paint, large rear wing, wide wheels, and distinct side air intakes.

A rare opportunity has arrived for Porsche enthusiasts and collectors: a 1985 Porsche 911 Carrera coupe, optioned with the coveted M491 “Turbo Look” package, is now available for auction on Bring a Trailer. Finished in iconic Guards Red over black leather, this coupe—VIN WP0AB091XFS121805—stands out for its blend of factory performance cues and bespoke upgrades, with just 37,000 miles from new.

1985 Porsche 911 in red with rounded headlights, front splitter, side air intakes, and black alloy wheels. The car features a rear spoiler and prominent rear wheel arches.

Turbo Look Meets Modern Performance

Originally equipped with the desirable M491 package, this 911 boasts factory widebody fenders, front and rear spoilers, and upgraded suspension and brakes—mirroring the legendary 930 Turbo’s silhouette and road presence. Under the decklid, a custom-built 3.4-liter twin-plug flat-six delivers enhanced power and responsiveness, complemented by a five-speed manual transaxle, limited-slip differential, and a custom dual-outlet exhaust system for an unmistakable soundtrack.

View of the engine compartment showcasing the air-cooled engine with a red cooling fan, along with visible hoses, wiring, and aftermarket components.

Inside, the driver-focused cabin features Recaro seats, a Wevo shifter, and a roll bar, while performance upgrades include 18" Forgeline wheels, JRZ adjustable coilovers, and an SRP rear sway bar. Build records and a clean Carfax report accompany the sale, underscoring the car’s provenance and meticulous care.

Auction Ending June 3rd

Located in Batavia, Illinois, this distinctive 911 is now live on Bring a Trailer, with bidding open until June 3rd at 4:00PM Central. With its rare M491 specification, tastefully executed performance upgrades, and low mileage, this Porsche represents a compelling opportunity for collectors seeking a unique blend of air-cooled heritage and modern driving dynamics.