Grinnall Specialist Cars
The Grinnall Specialist Cars Ltd. (Grinnall Cars) is an automobile and motorcycles maker founded by Mark Grinnall in United Kingdom, primarily creating trikes.
Grinnall Specialist Cars

Brian Snelson from Hockley, Essex, England · Grinnall Scorpion · CC BY 2.0
- Name
- Grinnall Cars
- Founded
- 1982
- Headquarters
- Bewdley
- Activity
- automotive industry
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Documentary summary
The Grinnall Specialist Cars Ltd. (Grinnall Cars) is an automobile and motorcycles maker founded by Mark Grinnall in United Kingdom, primarily creating trikes.
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wikidata · Q5609508 · wikipedia · Grinnall Specialist Cars
In this article
Key facts
Key facts
• Name — Grinnall Cars • Type — Limited Company • Industry — Automotive • Founded — in Bewdley, United Kingdom • Founder — Mark Grinnall • Hq Location City — Stourport-on-Severn • Hq Location Country — United Kingdom • Area Served — Worldwide • Key People — Mark Grinnall • Website — https: www.grinnalltrikes.co.uk/
History
History
Grinnall Cars was founded by Mark Grinnall, originally responsible for modifying the Triumph TR7 and later creating a 350 unit run of the Grinnall TR8 based on Triumph TR8. In 1991, Grinnall formally moved into manufacturing three wheeled cars and motorcycles - known as Trikes. The first model, launched in 1992, was the Scorpion III an open two seat, three wheeled sports car, using BMW K1100 motorcycle engines that could reach over 130 mph. One famous owner and supporter of the Scorpion III was Roger Cook, of The Cook Report. By 1999, Grinnall had switched focus to manufacturing motorcycle trikes, initially modifying BMW R1200C which launched in 2000. More recently, Grinnall modify the BMW R1200CL, Montauk, the R1150R, and since 2005 launching a Triumph based Rocket 3. Grinnall also own the Birmingham dealership for Indian Motorcycles, of which the company manufacture trike models. In 2015, Grinnall moved to a new facility in Stourport-On-Severn.
Models
Models
• Model — Classification — Description * — TR7 — Car — Modified TR7s produced in the late 1980s * — TR8 — Car — 350 produced and recognised as the Grinnall TR8 by Triumph * — Scorpion III — Trike car • Scorpion IV — Trike car * — BMW R1200C — Trike motorcycle — Designed by Steve Harper responsible for the Scorpion III • Rocket 3 — Trike motorcycle — Based on the Triumph Rocket 3 • Midwest Indian 3 — Trike motorcycle
Institutional history
Dated record
Institutional history
The full dated record · 1 entries
1982
Grinnall Specialist Cars established.
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- United Kingdom
Named but not plotted · 1
Grinnall Specialist Cars is associated with United Kingdom.
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Literature
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Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.1980 Triumph TR7 V8. bonhams.com.
- 2.1981 Triumph TR8 Grinnall. bonhams.com.
- 3.Trike or treat. theguradian.com.
- 4.Grinnall - Scorpion III. britishbuiltcars.co.uk.
- 5.Hothouse Publishing Limited. Mark Grinnall. Octane Magazine. October 2023.
- 6.Stourport engineer creates new motorbike for Indian competition. kidderminstershuttle.co.uk.
- 7.Midwest Moto. indianmotorcycle-birmingham.co.uk.
- 8.Grinnall Specialist cars expands to new 2-acre site. wlep.co.uk.
References
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Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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