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Touring cars · Racing

Ford Sierra RS Cosworth

A saloon built to dominate Group A — not to impress neighbours.

Worth your time?4.5/5Yes.Drive the whole thing.What works, what does not, who it is for ↓
9:41in productionCh. 1 · Why it was built/ 9:41 · ceiling 15 min
4 chapters · 9:41Ceiling 15:00

The brief is written and checked. The video joins this page when it is cut.4 chapters · 1 min read · 9:41 planned

Read the brief

A purpose-built Group A weapon disguised as a saloon — engineered for stability, not style.

Chapters & takeaways4
  1. 1:04
    Why it was built

    It exists only because Ford Motorsport needed a Group A winner — and chose the Sierra for its rear-wheel drive and low drag.

  2. 2:55
    Why it looks like that

    Its shape was dictated by Lothar Pinske’s demand for high-speed stability — not styling trends.

  3. 4:29
    How it was proven

    Wind tunnel testing and Nardò circuit validation preceded its Geneva debut — this was data-driven, not speculative.

  4. 5:59
    How many exist

    5,545 units were built at Ford’s Genk plant — enough for homologation, no more.

1 more chapterFewer chapters
Worth your time?

Yes. Drive the whole thing.

4.5/ 5
What works
  • It integrates wind-tunnel-tested bodywork with a turbocharged inline-four for high-speed stability.
  • It delivers direct steering feel and rear-wheel-drive engagement.
  • It fulfils its homologation mandate with zero excess.
What does not
  • It does not offer modern driver aids.
  • It does not prioritise cabin refinement.
  • It does not compromise on aerodynamic function for visual convention.
Drive it if
  • Engineers who study airflow and chassis response.
  • Motorsport historians tracking Group A evolution.
  • Drivers who want mechanical feedback over comfort.
Skip it if
  • Commuters needing daily usability.
  • Collectors seeking appreciation without context.
  • Drivers who expect electronic assistance or noise insulation.
Who should drive it, and who should skipHide who it is for
The written brief1 min read

What the car is and where it came from

A high-performance, rear-wheel-drive homologation special built by Ford Europe between 1986 and 1992, developed by Ford Motorsport to win Group A racing in Europe.

How it works, in terms someone would actually use

It is a rear-wheel-drive saloon with a turbocharged inline-four engine and bodywork shaped for high-speed stability. The driver feels the mechanical grip of rear-wheel drive, the torque surge of forced induction, and the aerodynamic downforce from its extended front spoiler and tall rear wing.

What it gets right

It gets right the integration of wind-tunnel-tested bodywork with a race-derived powertrain, delivering high-speed composure and mechanical feedback through the steering wheel.

What it does not

It does not offer modern driver aids, cabin refinement, or ergonomic comfort. It was not designed to be easy, quiet, or forgiving.

What it changed

It proved that a production saloon could be engineered from first principles for Group A racing dominance — and that aerodynamic stability at speed mattered more than visual convention.

Who it is for, and who it is not

It is for engineers, motorsport historians, and drivers who value unfiltered mechanical communication. It is not for commuters, collectors seeking investment, or those who prioritise usability over intent.

Is it worth your time

Yes — if you care about how motorsport engineering reshaped mainstream design, not as nostalgia but as a working case study in purpose-built form.

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