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Ford Sierra RS Cosworth #1 A. Senna Rally Test 1986 Minichamps 1:43

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Ford Sierra RS Cosworth #1 A. Senna Rally Test 1986 Minichamps 1:43 540864399 Diecast
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Minichamps' 1:43 Ford Sierra RS Cosworth #1 reproduces the car Ayrton Senna tested in a documented 1986 rally trial, cast as a sealed one-piece diecast body with the period test livery. The Sierra Cosworth went on to dominate Group A touring car and rally competition through the late 1980s. A genuine curiosity piece for Senna or Group A rally collectors.
Ford Sierra RS Cosworth #1 A. Senna Rally Test 1986 Minichamps 1:43
Current price: £57.00
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Estimated delivery: 02-06.10.2026
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Specifications
Car Brand
Ford
Model Manufacturer
Minichamps
Scale
1:43
Material
Diecast
Model Condition
New Model
SKU
540864399
Genuine articles Sourced from manufacturers
5-layer carton Foam-filled interior
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About the Ford Sierra RS Cosworth #1 A. Senna Rally Test 1986 Minichamps 1:43

TL;DR: Minichamps' 1:43 Ford Sierra RS Cosworth #1 reproduces the car linked to Ayrton Senna's documented 1986 rally test, cast as a sealed one-piece diecast body in period livery. A genuine curiosity for collectors chasing Senna memorabilia or Group A rally history beyond his Formula 1 career.

Ayrton Senna's name belongs to Formula 1 first, but a 1986 test session put him briefly behind the wheel of a Ford Sierra RS Cosworth on rally-spec tyres, a curious footnote most of his fans have never heard about. Minichamps preserves that footnote in miniature, complete with the number 1 test livery.

Senna's 1986 Sierra Cosworth Test

A Formula 1 Driver Behind a Rally Wheel

By 1986 Ayrton Senna was firmly established in Formula 1, driving for Lotus and already marked out as a future champion, which makes his documented test session in a Ford Sierra RS Cosworth genuinely unusual. Ford ran the session as an evaluation exercise, exploring what a driver of Senna's calibre could extract from the car outside the closed-circuit environment he already dominated. Nothing came of it competitively; Senna's career stayed on its Formula 1 trajectory, and the Sierra never became a Senna project car in any ongoing sense. But the test happened, it was documented, and it gives this particular livery a genuine story that most rally diecast subjects simply do not carry.

The Sierra RS Cosworth's Wider Motorsport Career

Whatever role it played in a one-off test, the Sierra RS Cosworth's real motorsport legacy was built elsewhere: as a Group A homologation special that went on to dominate European touring car racing through the late 1980s, and as a rally weapon that saw genuine competitive use across national and international events. Ford built the road-going Cosworth specifically to unlock Group A eligibility, a strategy that paid off repeatedly on both circuit and stage. This particular test livery sits at the edge of that story rather than its centre, a curiosity connected to a car whose main legacy lies in championship-winning touring car seasons rather than rally stage victories.

Livery Presentation on a Sealed Rally Body

Sealed-Body Construction on a Period Rally Subject

The model is cast in zinc alloy with a sealed, one-piece body and no opening doors, bonnet, or boot, the standard treatment for a livery-specific rally release at this scale and price point. That construction keeps the Sierra's boxy 1980s silhouette honest, with the shutlines around the doors and boot running as clean, continuous grooves rather than interrupted joints, and the distinctive rear wing sitting flush against the boot lid without a visible seam at the mounting point. Weight in the hand confirms the metal casting, and the ride height sits correctly low, matching the rally-prepared stance the real test car would have carried on its suspension setup.

Number 1 Livery and Period Decal Accuracy

The number 1 test livery is applied through tampo printing rather than waterslide transfers, which keeps the numerals and any sponsor graphics flat against the body without the raised edge or yellowing that older transfer methods develop over decades. Check the number's registration against the door panel edge and the consistency of the base colour across the bonnet and roof, since uneven colour matching is the most common giveaway of a rushed livery casting. A crisp, well-registered number 1 is the single detail that makes or breaks this particular release.

A Footnote Worth Collecting

This Sierra suits two very different kinds of collector equally well: Senna enthusiasts chasing every corner of his career beyond Formula 1, and Group A or rally specialists building a Sierra Cosworth chronology across its touring car and stage-rally appearances. It is not a championship-winning car, and honesty about that matters more than manufactured significance. What it offers instead is a genuine, documented curiosity at an accessible diecast price point, the kind of piece that sparks a conversation rather than headlining a display. Placed alongside period Group A touring cars or Senna's early Formula 1 machinery, it adds texture to a collection that a more conventional livery simply could not provide.

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