£24,390
1990 Ford Sierra RS Cosworth
The Market • UK • 15 Dec 2025
Market Position:
Lowest 30% of Past Sales
Track live values and receive listing alerts
Track live values and receive listing alerts
£24,390
1990 Ford Sierra RS Cosworth
UK • 15 Dec 2025
Vehicle Details
AI Listing Summary
This is a rare 1990 Ford Sierra RS Cosworth Rouse Sport, build number 29 of 78, with 86,423 miles. It features performance upgrades, a special body kit, and a luxurious leather interior, making it a highly desirable fast Ford.
Condition
7
The car is described as being in overall solid condition with slight wear visible, and the wheels have a modicum of kerb rash in places. However, the cabin is a highlight with soft leather. This suggests it's in 'Very Good' condition, needing only minor reconditioning.
/ 10
86,423 miles
WF0FXXGBBFLU59733
RHD
United Kingdom
Manual
H68 AGU
1990
Auction
£24,390
1990 Ford Sierra RS Cosworth
The Market • UK • 15 Dec 2025
Market Position:
Lowest 30% of Past Sales
Track live values and receive listing alerts
Description
This fine example of the 304-R Rouse Sport model is build number “29 of 100” (which actually topped out at 78) and was completed on the 18th of October 1990.
A fair number of owners followed but the mileage has remained impressively moderate for the age of the Cosworth.
The previous owner acquired the Sapphire in December of 2018 with the odometer standing at a shade of over 85,000 miles at that time.
Current owner, Darren, acquired the Sierra Sapphire Cosworth at auction in September of 2025 to become its 12th registered keeper.
Just 86,100 miles were recorded at that time with today’s total standing at just 86,423, equating to just under 2,500 miles per year on average.
In previous ownerships a raft of performance improvements has been wrought to further augment the original’s 260bhp and 300 Ib-ft of torque.
These upgrades include DB10 camshafts; a T34 stage 3 hybrid turbo; a Group A head gasket; a Collins Performance stage 3 chip and board; a 3-bar map sensor and Grey 403 inje...
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)
World Record
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Lowest 30% of Past Sales
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Rare Sale
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Previous Sierra RS Cosworth Sales
MOT Information
Expired
Expired on 2nd Jul 2026
Latest MOT mileage:
86,092 miles
MOT History
Passed
On 3rd Jul 2025, 86,092 miles
There was 1 defect noted.
Advisory:
- Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Passed
On 10th May 2024, 86,008 miles
There was 1 defect noted.
Advisory:
- Central Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Failed
On 9th May 2024, 86,007 miles
There were 2 defects noted.
Major:
- Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))
Advisory:
- Central Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Passed
On 25th Jun 2022, 85,916 miles
There were 2 defects noted.
Advisory:
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
MOT Mileage Trend
Gallery
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