ALFA’S performance flagship finally makes landfall here in Australia. We’ve been impressed by it on track, but how does the most eagerly anticipated sports sedan of 2017 shape up on our roads?

WHAT IS IT? Think of the Alfa Romeo Giulia QV as a Latin BMW M3 or Mercedes-AMG C63 S and you’re not in completely the wrong post code. Thing is, Alfa Romeo has a stack of catching up to do in a sector where the Germans have been polishing their wares to a finely burnished sheen in recent years. Even with the best power-to-weight ratio in the division, the chances of the Alfa putting manners on the class benchmarks would appear a very long bet.

WHY WE’RE TESTING IT The Giulia is the first beneficiary of a €5bn investment in the new ‘Giorgio’ platform that will eventually spin off eight separate Alfa models, so if it’s not up to scratch, Alfa Romeo’s future looks bleak. The QV has been developed by a stellar cast of Ferrari’s best and brightest, so it should be dynamically on point, but can it bring a broader array of qualities to bear in a market sector where the bar’s set in the stratosphere?

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THE WHEELS VERDICT It lacks the showroom polish of its German rivals, but in terms of its ability to plaster a massive grin across your face, the Alfa Romeo Giulia QV has ’em aced. The most surprising thing about the QV? It articulates the requirements of a modern performance sedan far more eloquently than we could have ever hoped. It won’t be for everyone, but even its harshest critic will find it difficult to deny that this is a serious return to form for Alfa Romeo.

PLUS: Searing pace, supple ride, smart drive modes, great driving position, long-distance legs MINUS: Engine not the most musical, some scratchy interior plastics, we don’t get manuals or AWDs

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Of course, we used to wonder why Alfa had done things. Why their performance flagship was front-wheel drive. Why you’d developed lumbago just leafing through the brochure. Why their dynamics ethos championed an underdamped, out of phase, understeering catastrophe. After so many false dawns we’d all mentally written the Giulia off ahead of time. Safer that way.

You probably know the headline figures already. The 2.9-litre twin-turbo V6 is good for 375kW, sending just 1585kg down the highway. 0-100km/h appears in 3.9 seconds and if you have an autobahn at your disposal, 307km/h is apparently on the cards. There’s a carbonfibre roof, bonnet, spoiler, skirts and even prop-shaft. Active aero, a whip-smart ZF eight-speed auto and a fiendishly effective electronic rear diff. A design and engineering team who have the Ferrari LaFerrari, 488GTB and F12 on their resumes have equipped the Giulia QV with a formidable arsenal of hardware.

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The engine isn’t inherently operatic. Some have described it as sounding akin to a pair of BMW i8s at flat chat and there’s something in that. The torque band is so broad that meaningful go is rarely hard to find, but it does enjoy being pegged into the upper registers. Knock the lever across into manual and you can ping the limiter without the box changing up for you. The beautiful aluminium paddles are (correctly) column rather than wheel-mounted and in Race mode will crack through upshifts with a real shunt. It’s like Lambo Corsa-lite. The QV, like all its turbocharged rivals, injects a bit of street theatre with the fusillade of overrun crackles, but this isn’t an engine which will have you searching out tunnels at 3am.

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The result then, is you asked and Alfa Romeo has clearly listened. The Giulia QV is an astonishing effort, but clearly also a work in progress. And sometimes even astonishing doesn’t cut it. We’re already shaping to put it up against the heaviest hitters in its class, and that should be one hell of a showdown. One thing we do know, though is that in isolation, the QV is a triumph.

SPECS Model: Alfa Romeo Giulia Quadrifoglio Engine: 2891cc V6 (90⁰), dohc, 24v, twin-turbo Max power: 375kW @ 6500rpm Max torque: 600Nm @ 2500-5500rpm Transmission: 8-speed automatic Weight: 1585kg 0-100km/h: 3.9sec (claimed) Economy: 8.2L/100km Price: $143,900 On sale: Now