Chassis No. 1C3BDECZ3HV500080

The 1989 Viper Concept VM-01 car truly revived the performance image of Chrysler around the world. With leadership from Bob Lutz and engineering input from Lee Iacocca's friend Carroll Shelby, the 1992 400 hp, 488 cu-in, six-speed 1992 Dodge Viper roadster proved Chrysler could not just dream, but also produce this unique sports car, on-time, and on-budget.

1996 brought the Viper GTS, with strong hints of Shelby's Cobra Daytona Coupe. It became the basis for the GTS-R Competition Coupe, in which the factory-supported French ORECA team earned GTS-class victories at the 24 Hours of Le Mans three consecutive years, along with two American Le Mans Series championships and five FIA GT crowns. A street variant of the GTS-R was introduced in 1999, the ACR - American Club Racer. With less weight and competition-inspired suspension and brakes, the ACR became the most extreme street/track Viper for its first four generations. How extreme? On August 18, 2008, driver Tom Coronel blasted a Gen4 Viper ACR around the daunting Nürburgring Nordschleife in 7:22:10, the track's fastest rear-drive production automobile lap for almost seven years.

After a two-year hiatus the fifth-generation Viper debuted in 2013. The unique hand-built all-aluminum pushrod 8.4-liter V10 returned, now packing 640 horsepower (40 more than in 2010) with an earthshaking 600 lb-ft of torque, which Dodge claimed to be the most of any naturally aspirated engine in the world. New exterior surfaces featured functional aerodynamic details integrated into the carbon fiber and aluminum skin. Clamshell seats by Sabelt, Ferrari's supplier, were a new benefit of the Fiat Chrysler marriage. Then in 2016, the Viper ACR returned, which Dodge called the "fastest street legal Viper track car ever and undisputed track record king with 13 road course lap records as certified by Sports Car Club of America."

2017 was the Viper's 25th anniversary and also its last year of production. This 2017 ACR was ordered in the "Competition Blue" paint that was the winner of the "SRT Viper Color Contest" conducted to crowdsource the next Viper hue for 2014. It also features black high-grip Alcantara leather seats with red stitching, "Header Red" seatbelts (a $350 option), the ACR-exclusive Alcantara-wrapped high-grip steering wheel with color center stripe, and unique ACR badging.

Great power requires great handling, and the ACR has Brembo six-piston calipers on 15.4-inch discs in front, four-piston on 14.2-inch discs in back with Carbon Ceramic Matrix pads all around. This Viper also carries the original Kuhmo Ecsta V720 tires with unique tread patterns specific to the ACR, 295/25/19 front, 355/30/19 rear. Dodge said those tires produce lap times "that are 1.5 seconds faster than off-road-only race tires." The electronic stability system with Launch Control has five settings, while the Bilstein coil-over shocks have 10-way rebound, compression, and ride height adjustments.

The "Extreme Aero Package" (a $6,900 option) on this ACR will generate literally a ton of downforce - 2,000 lbs at 177 mph - created by a 74-inch adjustable dual-element rear wing, adjustable rear carbon fiber diffuser, detachable extended front splitter, and four dive planes. The unique ACR hood has louvers that can be removed to reduce front wheel well air pressure during track days. The ACR's technology delivers sustainable 1.5 g cornering during high-speed turns, verifiable by the G-force meter on the seven-inch multi-function configurable driver display.

Exclusivity is one of the keys to the Viper's appeal, and Dodge handcrafted just 193 ACR models (155 for the US market) out of 585 total Vipers in 2017. With four owners and just over 3,300 miles since new, this 2017 ACR represents the last year of the most venomous Viper ever.