The HSV Senator is a luxury sports sedan variation of the Holden Commodore, produced by Holden Special Vehicles in co-operation with Australian automaker Holden, and has been manufactured since 1992. The car is based on a rear-wheel drive architecture, and the current generation E Series is powered by a 6.0 litre V8 and is manufactured in Elizabeth, South Australia, before final assembly in Clayton, Victoria, Australia. Until recently, there were no exact or direct rival for this vehicle; however, in October 2006 FPV announced the release of the Falcon Force 6/8 as a competitor. Other potential rivals include the BMW M5 and the Mercedes-Benz CLS-Class. The HSV Senator Signature is the high luxury model in the HSV range and the co-flagship of the short-wheelbase models along with the performance-oriented GTS. The suspension is fitted with switchable Magnetic Ride Control (MRC) offering Luxury or Performance modes. Pricing starts at AU$76,990.