Radical SR9[1][2][3]
Overview
Manufacturer	Radical Sportscars
Production	2006
Assembly	Peterborough, UK
Designer	Peter Elleray
Body and chassis
Class	LMP2
Layout	longitudinal mounted mid-engine, rear-wheel drive
Chassis	Carbon-fiber monocoque
Powertrain
Engine	Judd XV675 3.4 L (210 cu in) 90° DOHC V8 naturally-aspirated AER P07D 2.0 L (120 cu in) DOHC I4 naturally-aspirated
Transmission	Ricardo 6-speed sequential sequential manual[citation needed]
Dimensions
Curb weight	775 kg (1,708.6 lb)

The Radical SR9 is a sports prototype race car, designed, developed and produced by Radical for sports car racing, built to LMP2 regulations, produced in 2006.^[4]