1957 Austin-Healey 100/6 (BN4)

Introduced for 1956, the 100/6 represented the most radical step forward in the Big Healey's development. Despite its initial success, sales of the original Austin-Healey 100 had begun to decline by the mid-1950s and so the model was revamped as the 100/6, BMC's 2.6-litre C-series six replacing the original four-cylinder Austin Atlantic engine. At the same time, the wheelbase was lengthened from 7' 6" to 7' 8", which enabled the inclusion of two occasional seats in the rear of the BN4 variant. In 100-6 tune the pushrod six produced 102bhp – 12hp more than its predecessor. Although stylistically very similar to the preceding 100, the 100/6 was nevertheless easily distinguishable by its 'crinkle' radiator grille and bonnet-top air intake. In 1957 an improved six-port engine became available and this 117bhp unit was fitted to all the newly introduced BN6 two-seater roadsters. Top speed improved to 111mph and 1.7 seconds was cut from the 0-60mph time.

Amongst Big Healey aficionados, the 100/6 is the one to have in terms of purity. The earlier 100/4s, whilst gorgeous to look at were a bit 'agricultural' and are now becoming very expensive, whilst the later 3000s were adorned with more and more creature comforts with the consequential increase in weight. As long as the 100/6 was properly set up with attention to camber and castor and all the other factors in suspension geometry, they handled superbly and were a dream to drive. With the top down, the burble from the exhaust note was a delight in a 1950s, six-cylinder, 'down a country lane in a black and white movie' sort of way and on the overrun had more 'snap, crackle and pop' than a box of Rice Crispies.

Finished in Jet Black and Colorado Red over a black interior, this meticulously maintained 100/6 is an older restoration that was purchased from Healey Specialists, Bill Rawles Classic Cars, in 2016 and has formed part of a fantastic private Collection of British sports cars ever since. Retaining its 2.6-litre six-cylinder engine mated to a 4-speed overdrive gearbox, it has been conscientiously maintained, wants for nothing and drives as well as it looks.

The history file makes for pleasant reading, with MOTs dating back to 1993 and a plethora of bills and invoices for work undertaken over the years to ensure the Big Healey has always been in great condition. It's supplied with a tonneau cover, soft top, side windows and original tools. This is an exceptionally handsome example in wonderful colours that is ready for the arrival of Spring in just a few weeks.