The best cars from British Leyland - yes, really

And it was also, briefly, the second biggest car company outside the US (after Volkswagen) after it was officially formed 55 years ago, on May 13 1968. BLMC was created out of the merger between the Leyland Motor Corporation and British Motor Holdings, then the two largest wholly British car manufacturing groups in the UK.

The resultant industrial sprawl saw Austin, Morris, MG, Triumph, Rover, Jaguar, Land Rover, Riley, Wolseley, Vanden Plas and Daimler thrown together, along with an extensive assortment of truck, bus and engineering businesses. The indigestability of this merger, together with massive underfunding and nightmarish industrial unrest saw the business shrinking faster than a lake in an Australian drought.

But that didn’t stop some interesting machines from emerging, several of them legends, before the increasingly stained British Leyland (BL) name was eliminated, in 1986. Join me as we take a look at its best:

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‘The One GT That Just Had To Be’. So read the ads for the vinyl-roofed, fake alloy-wheeled, twin carburettor Austin 1300, which appeared seven years after the original hugely popular big Mini that was the Morris 1100, for many years the UK's top-selling car.

This was more than the lifespan of the average car today, but five years before the 1100/1300 went out of production. Quite a hit despite the tackiness of its modish matt black add-ons, and much-prized today. Its 70bhp might not sound much today, but back then it qualified this car as a hot hatchback.

BL canned the Mini Cooper in 1971, but its Italian partners Innocenti continued to build Coopers until 1975, launching the 71hp Cooper 1300 in 1972.

Much better finished than the UK variety, it featured six-dial instruments, cloth trim, Rostyle wheels, opening quarterlights and many other detail improvements, selling well in Italy, Germany and France.

Such was the success of Innocenti that it did what BL had failed to do, and developed its own Mini replacement. Designed by Bertone, it used Mini mechanicals and was almost identically scaled because BL couldn’t afford the £1 million investment required to extend the wheelbase.

That limited sales of a stylish, well-built supermini that with that extra investment, could have filled in for the Metro that came six years later.

The 1968 Jaguar XJ6 was impressive enough with its sporting chassis, sumptuous comfort and subtle elegance, but the much-anticipated XJ12 was a clear contender for the best-car-in-the-world title.

Amazing refinement, subtle potency and the sophistication of 12 cylinders was yours for well under half the price of an Italian V12. The waiting list was enormous.

There was no escaping the disappointment of the XJ-S, this sleek, oddly styled high-speed cruiser an indirect replacement for the legendary E-type sports car.

Equally unescapable, however, was the fact that the XJ-S did the svelte long-distance coupe thing better than any German or Italian rival, for a fraction of the price. Thus saving you enough to fuel its voracious appetites.

By the early 1970s, Australians had developed a taste for big, American-style V8 saloons tough enough for outback survival. Leyland Australia took on GM's Holden, Ford and Chrysler with the P76, a vast saloon capable of swallowing a 44-gallon oil-drum and out-handling all its rivals.

But poor quality and the arrival of a BL axe-man saw Aussie Wheels magazine’s car of the year winner killed just 18 months after launch, together with the Sydney factory that built it.

It took tuner Ken Costello to demonstrate the feasibility, and appeal, of squeezing the Rover 3.5 V8 beneath the MGB’s bonnet, a conversion that sliced over 3sec of the standard car’s 12.1sec 0-60mph time and boosted its top speed to 130mph.

It took BL four years to effect the same conversion; the MGB GT V8 launched in 1973, just in time for the sales-deadening fuel crisis. Only 2691 were made, but it’s the best MGB.

An early example of the cross-over, combining go-anywhere mountain goatery with modishly dignified elegance, executive car comfort and 100mph performance. One of a handful of cars that kick-started the SUV craze, and one of several genuine world-beaters from British Leyland.

It took the company years to realize what it had done and exploit it, though, and even that was mostly done by the subsequent owners of Land Rover. Still, uniquely in this feature it is a nameplate that survives to this day.

This was the car that might have turned BL around. The Ferrari Daytona inspired it, almost to the point of copying, its lightweight V8 combined with simple, well-engineered mechanicals to terrific effect. This dramatically fresh executive machine outpointed the opposition on every metric bar one: quality.

Dire materials and assembly standards undermined a great design, regular strikes and awful quality control turning a world-beater into a sad also-ran.

Triumph and Rover pioneered the executive car with their 2000 saloons, Triumph cementing its UK success with a clever Michelotti facelift and the apparent advance of Lucas fuel injection for its tuneful straight six.

This was just the recipe BMW was pursuing, except that the Munich machines did not need the regular attendance of breakdown vans.

Another BMW challenger, the rear-drive 16-valve Sprint ingeniously cobbled out of Triumph’s front-wheel drive 1300. A vinyl roof, sexy alloys and a spoiler papered over the cracks, the Sprint was an appealing cut-price alternative to the BMW 20002 Tii.

It also won the British Touring Car Championship. Well-regarded, but BL failed to develop or produce a replacement.

Turning an elegant, four-door saloon into a still more elegant 2+2 convertible was inspired, the substitution of the Triumph 2000’s straight six for a woofling 3.0 V8 completing this delectable confection. Until the Triumph V8 boiled up that is, the wrongly placed temperature sensor threatening the entire engine.

That was enough to ensure that the Stag bombed in the US. It was and still is better looking than the contemporary Mercedes SL that it undercut, but quality always wins.

The wildly individual (or weirdly individual) TR7 was improved by decapitation, and spectacularly so with the substitution of its Triumph slant four for a Rover V8.

Power, performance and the sound track improved immeasurably, and with little impact on the car’s tidy handling, so light was the alloy V8. Another promising BL model prematurely culled.

As updates go the replacement of the Austin 1800/2200 by the 18/22 Series was as dramatic as replacing an antique horsehair-stuffed four-poster with a heated waterbed.

Inspired by the 1970 Zanda concept car, this startling wedge of a saloon won good reviews and a long waiting list before engineering faults did for it.