The next-generation Opel Insignia, which is widely believed to be sold down under as the new Holden Commodore, has been spied testing again on the streets of Europe.

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Unlike earlier prototypes, this vehicle has shed most of its false body panels, although there's still a few small pieces hiding the fog light treatment in the front bumper, and covering up the design of the C-pillar area.

Despite the distracting disguise, we can see that the new Insignia/Commodore has a subtle shoulder crease, which incorporates the door handles and plunges down to meet the front wheel arch.

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Up front, the car wears a larger, deeper interpretation of Opel's latest corporate grille. At the rear, this prototype features a thin set of tail-lights with LED elements.

In Europe, the second-generation Opel Insignia will be initially available as a five-door hatch, as seen here. A wagon variant is expected to follow a few months later, with the sedan body style expected to be discontinued.

For Australia, industry whispers indicate that the new five-door will appear down under as a replacement for the VFII Holden Commodore, which goes out of production in late 2017 when the company closes its local manufacturing facilities.

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The new car should debut in 2018, and will wear Commodore and lion badges for the local market. Not only will it be the first fully imported Commodore, the new car will be the first of its kind to be based on a front-wheel-drive traverse-engined platform.

Given the limitations of the architecture and the slow extinction of V8 engines, performance models are expected to feature a turbocharged V6 with around 300kW of power and will be paired with an all-wheel-drive setup.

Mainstream variants will be powered by turbocharged four-cylinder petrol and diesel engines.

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Compared to today's Insignia, the new car will grow in every dimension, with overall length around that of the current Commodore. Despite that, the use of the high-strength steel and aluminium should see weight fall significantly.

Thanks to its market position as Opel's flagship sedan, the vehicle is expected to feature the company's latest safety and driver assistance technologies.