Built for just 13 months in 1967-1968, the TR5 arguably featured the best combination of looks, suspension and engine of all the Michelotti-penned Triumph Roadsters.

Optional extras included overdrive, wire wheels and a Surrey Top with detachable roof panel.

Visually identical to the TR4, the TR5 hid its key differences under the skin, the most significant of which was the engine - the first British production sports car unit to feature petrol injection.

The 2498cc Lucas-fed straight-six developed a healthy 150bhp, allowing Motor magazine to record 8.3 seconds for the 0-60mph dash and a 117 mph top speed.

Only 1,161 were built for the home market, against almost 8,500 carburettor-fuelled TR250s created for the American one.

Amongst aficionados it is considered the most collectible of the series.

This garage find has been in current ownership since 1989 with just 4 former keepers and registers a credible c.66,000 miles.

Stored since 2004, following an unfinished restoration under...