estuve buscando las specs de los autos de rallycross y no hay mucha info..pero esto es lo que encontre..
son autos preparados que tienen entre 550 y 650 HP(no hay un standard), el auto de loeb estaba preparado para esto y no es el mismo que corre en el WRC, lo mismo que con los fiesta... ahora, la diferencia de peso entre un Dart y un C3...
aqui dejo las specs del auto de Tanner Foust, Ford Fiesta
Specs
Engine: Ford Duratec HE 2030cc Olsbergs MD Design. Four cylinders, 16 valves. Carillo conrods, JE-pistons, ARP-bolts. Camshaft Ultra Motors. Olsbergs MD head. PWR intercooler. KN Air filter. AEM Air intake.
Power: 575 hp.
Torque: 820 Nm at 4000 rpm.
Transmission: Permanent four-wheel drive. Five speed sequential OMSE/Maktrak gearbox.
Suspension: Front : MacPherson struts with updated Öhlins dampers, five-way adjustable. Adjustable OMSE top mounts. Adjustable OMSE anti rollbar in chromemoly. Rear: OMSE construction with double A-arms. Öhlins dampers, five way adjustable. Adjustable OMSE anti-roll bar in chromoly.
Brakes: Front: Alcon, 355 mm ventilated discs with six piston brake callipers. Rear: Alcon, 315 mm ventilated discs with four pistons callipers. Balance beam brake. Hydraulic handbrake.
Interior: Steering wheel, six-point harness, bucket seat and extinguisher from Sparco. Tachometer from Aim. Radio from Peltor.
Fuel tank: ATL racing fuel cells, FIA FT3 tank, 20 litre capacity.
Dimensions: Length: 3959mm. Width: 1836mm. Wheelbase: 2489mm. Weight: 1300kg minimum driver included.