Makes › Broadspeed › GT 2+2 · Rare production
Broadspeed
GT 2+2
Broadspeed Mini-Cooper S based GT coupe, reportedly 28 built.
Still being researched: why it matters, full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.
Contents
01Overview
At a glance
- Built
- Not yet verified
- Years
- Not yet verified
- Engine
- 1,275 cc / 1.3 LFactory: 1,275 cc
- Power
- 74.6 kW / 101 PSFactory: 100 hp · converted
- Top speed
- 180 km/hFactory: 112 mph · converted
- Body
- Not yet verified
- Designer
- Not yet verified
- In this archive
- Not yet verified
- Surviving
- Not yet verified
Sources and any conflicting figures are in the sections below.
Why it matters
Not yet documented. Have a source? Contribute it.
How rare is it?
Six separate kinds of rarity – never combined into one number.
Each kind of rarity is rated separately and never combined.
02Production & history
Production
Every figure says what it counts.
No production figures recorded yet.
History
Motor Sport reported in 1966 that the Broadspeed GT, using Mini-Cooper S units as a base, was available in five road guises with an additional version based on the 850 cc.
Variants
How each version differs from the standard GT 2+2.
No variants documented yet. Have a source? Contribute it.
03Specifications
Technical specifications
Engine
| Engine family | Not yet verified |
|---|---|
| Engine code | Not yet verified |
| Layout | Not yet verified |
| Displacement | 1,275 cc / 1.3 LFactory: 1,275 cc1 Independently researchedTuned 1,275 cc unit in the road-tested car. The source says the GT was also built on the 998 cc Mini-Cooper and an 850 cc Mini. |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | 10.5:11 Independently researchedTest car, tuned 1,275 cc engine. |
| Fuel system | Twin 1½-in. S.U. carburetters1 Independently researchedTest car, tuned 1,275 cc engine. |
| Power | 74.6 kW / 101 PSFactory: 100 hp · converted1 Independently researchedSource gives b.h.p. (brake horsepower), about 100, for the tuned 1,275 cc test car. Rating standard not stated beyond that. |
| Power at | Not yet verified |
| Torque | Not yet verified |
Transmission & drivetrain
| Gearbox | Not yet verified |
|---|---|
| Gears | Not yet verified |
| Driven wheels | Not yet verified |
Chassis, body & dimensions
| Chassis | Not yet verified |
|---|---|
| Front suspension | Not yet verified |
| Rear suspension | Not yet verified |
| Brakes | Competition pads and linings; fade sets in quickly under repeated hard braking1 Independently researched |
| Steering | Not yet verified |
| Body construction | Standard BMC shell with roof and rear cut away; moulded fibreglass fastback welded on with steel tubes1 Independently researched |
| Wheelbase | Not yet verified |
| Length | Not yet verified |
| Width | Not yet verified |
| Height | Not yet verified |
| Front track | Not yet verified |
| Rear track | Not yet verified |
| Kerb weight | Not yet verified |
| Dry weight | Not yet verified |
Performance
| Maximum speed | 180 km/hFactory: 112 mph · converted1 Independently researchedMaximum in top gear, timed by the magazine on the test car. Not a factory figure. |
|---|---|
| 0–100 km/h | Not yet verified |
| Fuel tank | 50 LFactory: 11 gal-uk · converted1 Independently researchedSource says 'gallons' without a qualifier; a British magazine, so imperial gallons assumed. Two tanks; source gives range of 300 miles. |
“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.
04Colours & options
Factory colours & interiors
Original paint and trim, with the number of cars in each where a source gives it.
Not yet documented. Have a source? Contribute it.
Factory options & codes
Codes are shown exactly as written by the manufacturer.
Not yet documented. Have a source? Contribute it.
05Individual cars
Chassis register
Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.
Not yet documented. Have a source? Contribute it.
Competition history
Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
Auction & sale history
Documented public sales of the individual cars. Click a chassis number to open its full record in the register.
Not yet documented. Have a source? Contribute it.
See one in person
Museums where an example of this car can be seen.
No example is documented on public display yet. Have a source? Contribute it.
06Reference
Identification guide
How to tell an original from a replica or later conversion.
The body is a standard BMC Mini shell with the roof and everything behind the rear wheel arch cut away. A moulded fibreglass fastback is fitted and joined to the shell by welding steel tubes to the existing metalwork, not by bonding alone. The windscreen pillars were re-welded at a steeper rake, and the rear seat back hinges forward to reach the boot.
Sources
Each number links to the exact facts it supports.
-
1
What Broadspeed are doing (August 1966) Level C Motor Sport Magazine
- highest priced version with a tuned 1,275-c.c. engine
- the compression ratio 10.5 to 1
- Twin 1½-in. S.U. carburetters are fitted.
- Power output is about 100 b.h.p.
- competition brake pads and linings
- The fibreglass semi-body, moulded by Broadspeed themselves
- 112 m.p.h. maximum in top
- total capacity of 11 gallons (range 300 miles)
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