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Est: £35,000 - £40,000

1986 Ford Sierra RS Cosworth

Iconic Auctioneers • UK • 15 Nov 2026

Market Position:

Mid-Market

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Est: £35,000 - £40,000

1986 Ford Sierra RS Cosworth

UK • 15 Nov 2026 • Lot 390

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Vehicle Details

AI Listing Summary

A 1986 Ford Sierra RS Cosworth in Diamond White, boasting a rebuilt 204bhp 2.0L turbo engine now producing 252bhp. Recently recommissioned with new Koni suspension and Helix clutch.

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Condition 

7

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/ 10

6,021 miles (via 2022 MOT)

WF0EXXGBBEGU02423

LHD

United Kingdom

Manual

D890 KBO

1986

Auction

Est: £35,000 - £40,000

1986 Ford Sierra RS Cosworth

Iconic Auctioneers • UK • 15 Nov 2026

Market Position:

Mid-Market

Track live values and receive listing alerts

Description

First registered in September 1986, this Sierra RS Cosworth is finished in Diamond White with the RS body kit and towering iconic ‘Whale Tail’ rear wing enhanced by 15-inch alloy wheels The 1,993cc Cosworth 16-valve turbo four-cylinder engine produced 204bhp when new, with 0 to 60mph in 6.5 seconds and 149mph available.

The engine was rebuilt in May 1999 with forged Mahle pistons and a gas flowed head and a 2017 rolling road printout in the history file records a healthy 252bhp

Recently subject to light recommissioning following a period of storage, we are reliably informed that new Koni springs and dampers have recently been fitted, and the car will be offered for sale with a freshly fitted Helix clutch

Offered with a pleasing history file of older MOT Certificates, previous invoices and details of the engine rebuild

Included in the sale is the standard air filter housing and cam cover shield

An attractive opportunity to acquire one of Fords most recognisable and potent RS models

Price Analysis vs Other Sierra RS Cosworths

£7,750

Lowest Price (Since 2020)

£43,000

Median Price (Since 2020)

£132,750

Highest Price (Since 2020)

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World Record

If this vehicle sells at the mid-point of its estimate it will set a new world record for the [enter model]

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Mid-Market

Compared to previous sales, the mid-point estimate places this vehicle in the mid-market for the Sierra RS Cosworth.

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Lowest Price

If this vehicle sells at the mid-point of its estimate it will be the lowest price we've seen for the [enter model]

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Average Price

Compared to historical records, the mid-point estimate places this vehicle squarely in the mid-market for the Sierra RS Cosworth.

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Rare Sale

This vehicle comes to market rarely. In auction records we've only seen [enter number] sold before

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Icon

This vehicle is an icon of the game. Any collection would benefit from having one

Previous Sierra RS Cosworth Sales

MOT Information

Expired

Expired on 8th Jun 2023

Latest MOT mileage:

6,021 miles

MOT History

Passed

On 9th Jun 2022, 6,021 miles


Passed

On 7th Jun 2021, 6,021 miles


Passed

On 30th Jul 2018, 5,818 miles

There was 1 defect noted.

Advisory:
- under body been waxed oil front to rear

Passed

On 10th May 2017, 5,384 miles


MOT Mileage Trend

Gallery

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Auction House Headquarters

Iconic Auctioneers

The Forge, Harwoods House, Banbury Rd, Ashorne, Leamington Spa

Based near Warwick, Warwickshire, Iconic Auctioneers conducts physical collector car and motorcycle auctions at automotive events across the UK, including Silverstone Festival and the NEC Classic Motor Show.

Insurance

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