This 1986 Ford Sierra RS Cosworth is an appealing and extensively modified example of the modern classic performance car, which has been rebuilt as a fast road car with many additions form the famed RS500 model. It is powered by a fully rebuilt and turbocharged 2.0-litre 16-valve YB Cosworth inline-four now producing around 560 horsepower, paired with a five-speed Quaife manual transmission and a Quaife differential. The seller states that the odometer shows 36,000 kilometres, however this is not warranted. The car is thought to have had three owners from new and is reported to have been in Australia for a number of years. It has been complied and registered in Victoria, South Australia, and Queensland. This Sierra won second prize at the All Ford Day display event in Queensland. The ‘COSS1E’ private registration plates are not included in the sale. This RS Cosworth is finished in Black over a grey cloth-trimmed interior, which is punctuated by patterned inserts on the Recaro sports seats, as well as on the door cards. It rides on a rare aftermarket set of 17-inch Compomotive M06 alloy wheels, which have been recently refinished in gold with matching alloy centre caps and are fitted with Rapid p609 and Goodride SV308 tyres. Cosmetic modifications include a genuine RS500 front bumper, RS500 rear upper spoiler, RS500 lower rear spoiler and fog light grills, as well as a genuine carbon-fibre RS500-style front splitter, door mirror covers, door handles, and bonnet vents. The cabin is understood to be largely original, but has been fitted with digital AIM/DEFI gauges, a modern Pioneer stereo, and a fire extinguisher in the passenger footwell. The turbocharged YB Cosworth engine was built by Harvey Gibbs of Supreme Car Services in Peterborough, United Kingdom, using a new 200 block with a Nick Waples head, a Garrett GT3076 turbocharger and a Spec-R intercooler, breathing through a Mongoose stainless-steel exhaust system. It developed 560 horsepower when tested on a bench dyno. This car sits on new Koni adjustable suspension and is equipped with a new AP front brake kit from Reyland Motorsport The car will be supplied with a collection of history and build information, two sets of keys, a battery trickle charger, a Pectel mapping lead, a dashboard cover, the standard ‘A’ pillar cover, fog lights, and spare parts. Genuine RS 500 front bumper bar Genuine RS 500 rear upper spoiler Genuine RS 500 lower rear spoiler Carbon-fibre RS 500 front splitter Genuine RS 500 fog light grills (fog lights supplied with the car) Genuine Carbon-fibre door mirror covers Genuine Carbon-fibre door handles Genuine Carbon-fibre bonnet vents Harvey Gibbs (SCS – Supreme Car Services, Peterborough UK) motor Brand new 200 block Nick Waples head SCS inlet plenum Garrett GT3076 turbo Pectel T2 ECU Air injector setup K&N Air Filter Spec-R intercooler Spec-R header tank Spec-R water cooled power steering tank Spec-R turbo cooler Spec-R breather system Spec-R air filter cover Spec-R timing belt cover Spec-R clutch reservoir Spec-R strut brace Spec-R Group A dump valve Roose Motorsport silicone hoses Upgraded cooling fans Bosch 044 fuel pump All braided lines and Aeroquip fittings Mongoose full stainless-steel exhaust (with CAT section). Quaife semi straight cut gearbox Hydraulic clutch Quaife ATB differential New Koni adjustable suspension Fully poly bushed suspension & beam mounts AP front brake kit from Reyland motorsport, including callipers, brackets, bells, rotors & pads Recon steering rack Compomotive Mo6 alloy wheels The seller states that the body kit and wheel arches are all original and uncut, the side mouldings are in very good order, and the correct headlights are in place with all tabs in place on the headlight grill surround. The Black paintwork is described as being in very good condition following a full bare metal respray. There are some small stone chips and cleaning marks, but no major blemishes. Inside, the cabin is understood to be largely original and is in good condition. The front seats present well, though the driver’s seat shows some slight general wear.. The seller believes the boot carpet and underlay to be in good condition, and is complete with the factory jack and wheel brace. The parcel shelf is free of speaker holes and is said not to sag, and the vinyl covering the door cards and rear quarter panels has not shrunk. The seller is not aware of any mechanical or electrical faults, and they state that there are no warning lights showing on the dashboard. Already a desirable modern classic performance car, this 1986 Ford Sierra RS Cosworth has been extensively modified to act as a tribute to the RS500. Powered by a fully rebuilt engine and now reported to produce around 560 horsepower, it should make a thrilling companion for spirited weekend drives on its new owner’s favourite roads, and a head-turning entrant in any car show. The description of this auction lot is, to the best of the seller's knowledge, accurate and not misleading. Collecting Cars requests a range of detail about the lot from the seller, and performs a level of due diligence. However, bidders must satisfy themselves as to the accuracy of the description, and conduct any research they feel is necessary before committing to a bid. Please see our Terms and Conditions for full details. This vehicle’s VIN has been checked against the Australian Personal Property Securities Register, and there is no security interest or other registration kind logged against the serial number. This vehicle has been checked through the Austroads NEVDIS system, and there are no markers under the written-off or stolen databases.