United Kingdom Valuation · Updated Oct 2026

Ford Sierra RS Cosworth Valuation

The current market value of a Ford Sierra RS Cosworth in the United Kingdom is £27,406, based on 4 verified auction sales in the last 12 months. That’s a -34.6% move year-on-year.

United Kingdom Australia United States

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Lowest price
£18,001
Since 2020
Median price
£38,875
Since 2020 · n=12
Highest price
£64,000
Since 2020
Sold cars
12
All time
Sell-through
100%
Of 12 lots

Marque Index · United Kingdom median

£27,406

-34.6% year-on-year

Sales 12mo

Active listings

Lowest sale

£18,001

Highest sale

£64,000

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How many remain

See how many Ford Sierra RS Cosworth remain on UK roads · 2025 Q4.

Licensed

411

Cars

SORN

2,393

Cars

Year-by-year breakdown

Sourced from DVLA registration data via howmanyleft.co.uk. SORN = Statutory Off-Road Notification (registered but off-road).

Value by year

Model years with enough verified sales for their own valuation page.

1986 1987

Recent Sierra RS Cosworth sales

8 most recent · United Kingdom

£37,250
1986 Ford Sierra RS Cosworth - 2.9L Twin-Turbo V6
18 Sept 2026 · collecting-cars
Source
£30,422
1991 Ford Sierra RS Cosworth 4x4 - Rouse 304R
28 Jun 2026 · collecting-cars
Source
£18,001
1989 Ford Sierra RS Cosworth - LHD
11 Mar 2026 · collecting-cars
Source
£24,390
1990 Ford Sierra RS Cosworth
15 Dec 2025 · the-market
Source
£43,250
1987 Ford Sierra RS Cosworth
9 Sept 2025 · collecting-cars
Source
£44,750
1986 Ford Sierra RS Cosworth
21 May 2025 · collecting-cars
Source
£40,500
1987 Ford Sierra RS Cosworth
11 May 2025 · collecting-cars
Source
£37,000
1986 Ford Sierra RS Cosworth
18 Dec 2024 · collecting-cars
Source

Every verified Sierra RS Cosworth auction result Get this as a free PDF appraisal certificate See full Sierra RS Cosworth data dashboard

Other Ford valuations

Adjacent models and generations in our index.

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Indicative only — not investment advice. Past performance is not a reliable indicator of future value.