Sport Prototype Manufacturers
CN Class manufacturers, and other sport prototypes
The CN group is a motorsport category introduced by the FIA in the early 1990s based off the SR2 prototype category. This category was included in the FIA ISRS championship in 1998 underneath SR1 and SR2 classes. The CM group is a non-FIA category closely related to the FIA group.
Many car manufacturers develop vehicles for this category under FIA regulations, but hese cars are mixed into many of other categories with similar regulations.
FIA CN class regulations
FIA CN class regulations are very opened and free, so car brands can offer a wide variety of different solutions. These cars must to be two-seater, have a six-speed transmission and can be fitted with engines between 1.000cc and 3.000cc with varying ballast, and with a maximum of six cylinders.
According to Von Gröse, the FIA CN class can be divided into three generations:
1st (mid-1990’s to the late-2000’s): Sport prototypes uses a variety of engines and engine sizes, fiberglass bodies and steel tube-frame chassis with aluminum paneling
2nd (2010-2016): Sport prototypes begin to use carbon fiber as a body material, and they replace aluminum panels with carbon fiber. The chassis was still tubular-frame. In this generation the main engine used is the 2.0 Mugen Honda K20, that produces 250hp
3st: (2016-present): The use of carbon fiber is extended and the engineering design process is improved, both technically and in aerodynamics. Some car manufacturers begin to use Peugeot 1.6 engine.
This list of sports prototype of CN class or similar size. Because these vehicles can be easily modified according to the category.
List of Car Brands
The Élan DP02, manufactured by Élan Motorsports Technologies, is a high-tech racing car. It's specially designed to help senior drivers who aspire to a higher level of professional racing development.
The sport prototype DP02 has a FIA-certified carbon-fiber monocoque chassis, which has the same anti-collision standards as the European Formula 3 and has a high downforce tunnel floor.
Since its inception, it has been the top car in the Mazda Prototype Lites, which was originally the feeder category of the American Le Mans Series (ALMS). Élan DP02 is also eligible to participate in SCCA's Prototpye 1 (P1) Class
Revolution A-One is a track and field racing car designed and manufactured by racers for racers. A car that combines LMP technology with carbon fiber monocoque and cutting-edge technology at an affordable price. It's designed from the driver's seat outwards, and its driving pleasure and control ability are the top priorities.
It's fitted with a Ford V6 3.7 that produces 400hp, and its dry sump system ensures high engine reliability. The gearbox is tailored by 3MO, which manufactures gearboxes for the World Rally Championship. The chassis is a carbon fiber monocoque and weighs 795 kg.
Price Revolution A-One: 107.600€ aprox. (£139.000 )
Wolf GB08 Tornado
There are three different versions of this two-seater race car. Two of them have a 1.6 Turbo engine that provides 280 hp, for the CN version, and 400hp for the S version. The most powered version uses a 650 hp V8 engine. The design goal of the Wolf GB08 Tornado is to replace the Wolf GB08 Honda. It's the first CN2 with built-in carbon fiber, and it has won more than 80 competitions since its debut on April 25, 2010.
Wolf GB08 Tornado Price: 140.000€
ADR3 is a FIA group CN sport prototype engineered for Endurance competitions. ADR3 has a lightweight tubular space frame chassis with removable forward facing protection bars and hand protection tubes. It's fitted with a Honda K20 engine that provides 250hp. The body is made entirely in carbon-fiber.
ADR3 CN Price: 73.000€ (£64.950 + VAT)
Ligier JS 53
Ligier JS 53 EVO 2 is perfect for discovering the feeling of driving an endurance sports prototype. This CN class standard sports prototype has a 6-speed Sadev gearbox and is equipped with a 2-liter Honda engine or a 1.6-liter Peugeot turbocharged engine, both of which output 255 horsepower. Ligier JS 53 EVO 2 has won many victories, especially in the V de V Endurance Series, the Asian Le Mans Series and the Italian Sports Prototype Championship. It is also used in hill climbing competitions.
These cars are used in a lot of competitions. For example, in Europe they race chiefly in V de V, but there are many other racing categories like Master Tricolore Prototipi, Trophee Tourisme Endurance Free Proto, Belcar Endurance, Dutch Supercar Challenge and Ultimate Cup Series.
In USA, they're eligible for Sports Car Club of America’s P1 and P2 class, NASA’s Super Unlimited, FARA USA’s FP-2 class. They can also race in numerous Endurance series in different countries like Brazil or South Africa. They have specific categories in competitions like Asian Le Mans Series or Australian Prototype Series